IBM RS/6000 SP, Maintenance Information

Page 1: ...RS 6000 SP IBM Maintenance Information Volume 2 Maintenance Analysis Procedures GA22 7376 01...

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Page 3: ...RS 6000 SP IBM Maintenance Information Volume 2 Maintenance Analysis Procedures GA22 7376 01...

Page 4: ...JA Mail Station P384 522 South Road Poughkeepsie NY 12601 5400 USA FAX United States Canada 1 914 432 9405 FAX Other Countries Your International Access Code 1 914 432 9405 IBMLink United States custo...

Page 5: ...or SEPBU 1 2 Lockout Tagout Procedure for PDU 1 2 Lockout Bagout Procedure for PDU 1 3 MAP 0100 Start of Service Call 1 4 MAP 0110 Supervisor Subsystem 1 10 MAP 0120 Supervisor Bus Problem 1 19 MAP 01...

Page 6: ...410 Supervisor Power 24 V dc Problem 1 244 MAP 0420 Main Power Switch 1 247 MAP 0430 dc Power Loss from Bulk dc Power Supply s 1 250 MAP 0440 Short in 48 V dc Power Distribution 1 257 MAP 0450 Frame E...

Page 7: ...wer Distribution Unit 1 222 1 18 Rear View of Scalable Electrical Power Base Unit 1 223 1 19 Front View of 49 Inch Frame Locations 1 223 1 20 RS 6000 SP PDU Power Diagram 1 226 1 21 Wiring Diagram of...

Page 8: ...vi RS 6000 SP MAPs...

Page 9: ...P Processor Nodes and Their Functionally Equivalent RS 6000 Models 1 33 1 7 Cable Continuity Check Points 1 78 1 8 Cable Continuity Check Points 1 114 1 9 Inner Chassis Cable Continuity 1 318 1 10 Fro...

Page 10: ...viii RS 6000 SP MAPs...

Page 11: ...ration North Castle Drive Armonk NY 10504 1785 USA Any pointers in this publication to non IBM Web sites are provided for convenience only and do not in any manner serve as an endorsement of these web...

Page 12: ...tainer until the FRU is ready to be installed in the system Move the static dissipative container near the location where the FRU is to be installed within ESD wrist strap distance If the FRU must be...

Page 13: ...cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation European Union EU Statement This product is in conformity...

Page 14: ...Statement Taiwan The following is a summary of the EMI Taiwan statement above Warning This is a Class A product In a domestic environment this product may cause radio interference in which case the us...

Page 15: ...Auszug aus dem EMVG vom 9 Nov 92 Para 3 Abs 4 Hinweis Dieses Genehmigungsverfahren ist von der Deutschen Bundespost noch nicht ver ffentlicht worden Electronic Emissions Notices xiii...

Page 16: ...xiv RS 6000 SP MAPs...

Page 17: ...indexed descriptions and part numbers For a list of other SP books and related information see the bibliography in the back of RS 6000 SP Maintenance Information Volume 1 Who Should Use This Book This...

Page 18: ...nter Getting More Information This book and other RS 6000 SP hardware and software documentation are available both online and in hardcopy from The RS 6000 website at http www rs6000 ibm com The Resou...

Page 19: ...volumes IBM RS 6000 SP Maintenance Information Volume 1 Installation and Relocation GA22 7375 00 IBM RS 6000 SP Maintenance Information Volume 2 Maintenance Analysis Procedures GA22 7376 00 IBM RS 60...

Page 20: ...xviii RS 6000 SP MAPs...

Page 21: ...m Configuration 1 145 MAP 0290 332 MHz SMP Node Environment 1 160 MAP 0300 332 MHz SMP Node Power 1 169 MAP 0310 332 MHz SMP Node Control 1 177 MAP 0320 332 MHz SMP Node Minimum Configuration 1 186 MA...

Page 22: ...at the test points If the volt ages measured in Step 2 indicate that primary power is not present have customer switch on power for this frame then go back to Step 2 4 Continue with Step 5 of Lockout...

Page 23: ...to be taken at the ac filter located inside the rear cover at the bottom of the frame Measure phase to phase ac voltage between test points O1 and O2 Repeat measurement for test points O1 and O3 Repea...

Page 24: ...partition to terminate and switch initialization to rerun Problem Determination found in IBM Parallel System Support Programs for AIX Diagnosis Guide should be performed before using the following MAP...

Page 25: ...the proce dures below Refer to the System Monitor information in IBM RS 6000 SP Administration Guide GC23 3897 1 Check for a window labeled System Monitor 2 If the window is not found look for an ico...

Page 26: ...t command 4 Check the date time stamp of the log entries for updated information Be aware that conditions may have been cleared as indicated by Condition cleared in the message 5 Note that node17 or s...

Page 27: ...lashing Green LED off or flashing SMP Thin Wide High Node Supervisor LED 1 flashing green Supervisor LED 5 flashing yellow Problem with node power Go to MAP 0130 Processor Node on page 1 30 7 Problem...

Page 28: ...onfiguration and SHUTDOWN the node 3 IPL the processor node in SERVICE mode Refer to Running Diagnostics in a Processor Node in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Pr...

Page 29: ...r SP attached servers RS 6000 Machine Type 7017 S70 and S7A check the server to SP con nection cables for correct plugging Refer to Installing SP Attached Server Cables in RS 6000 SP Mainte nance Info...

Page 30: ...ntarily On Communication active Flashing Problem cannot communicate with control workstation in a HACWS configura tion In a configuration without HACWS a flashing LED 7 is normal Off Communication ina...

Page 31: ...lem No communication with processor node s or switch assemblies Off Communication okay 3 Yellow Control workstation current communication status On Communication active momentary Flashing Problem cann...

Page 32: ...Cables RS232 Active 48 V dc N 1 Power Supplies 48 V Node 16 RISC I O Planar Control Sense J7 J8 48 V dc Sense Supervisor BUS A Even Slots Node Power Supervisor Switch 2 1 3 5 7 9 11 13 15 4 6 8 10 12...

Page 33: ...r HPS 2 1 3 5 7 9 11 13 15 4 6 8 10 12 14 12v LED CB 48 V Status 12 V Status J202 12 V RS232 Controls Status AC AC AC 12 V J1 J5 J7 J8 J6 48 V dc N 1 48 V dc Power Modules 12 V 12 V 48 V 48 V 48 V Fig...

Page 34: ...ed servers RS 6000 Machine Type 7017 S70 and S7A check the server to SP con nection cables for correct plugging Refer to Installing SP Attached Server Cables in RS 6000 SP Mainte nance Information Vol...

Page 35: ...Procedures Check LEDs on frame supervisor card Are any LEDs lit on frame supervisor card Yes No 006 Problem with supervisor power 12 V dc Go to MAP 0370 Main Power on page 1 222 007 Go to Step 033 on...

Page 36: ...Change card Go to Step 023 020 Connect cable Perform Verification Test for Supervisor Bus in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures Does verification test pas...

Page 37: ...0570 End of Call on page 1 357 026 Replace serial cable and repeat cable wrap test Did wrap test pass with new serial cable Yes No 027 Call next level of support 028 Connect serial cable to frame Perf...

Page 38: ...Bus in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures Does verification test pass Yes No 032 Call next level of support 033 Problem resolved If this frame has a PDU...

Page 39: ...ing appear okay Yes No 003 Fix connection problem or replace damaged component Step 003 continues Priority Condition Action 1 All node and switch supervisors in frame have one of the above messages in...

Page 40: ...is being used Is frame supervisor LED 4 or LED 6 twin tail flashing Yes No 007 Probable defective frame supervisor card or incorrect supervisor code loaded on card Replace frame supervisor card Is th...

Page 41: ...powering off switch assemblies will impact the entire switch network Check with customer to see if you can power off all the processor node s and or switch assemblies in this frame at this time Can y...

Page 42: ...3 Cable Assembly PDU Only PDU FC P406 PDU FC P408 1 Check PDU BH J7 and PDU BH J8 bulkhead connections to PDU FC J406 and J408 connector card 2 If frame supervisor LED 4 top yellow LED or LED 6 if twi...

Page 43: ...r Supervisor Bus in IBM RS 6000 SP Maintenance Informa tion Volume 3 Locations and Service Procedures Does verification test pass Yes No 025 Continue with Priority 3 in table of Step 021 on page 1 22...

Page 44: ...M RS 6000 SP Maintenance Informa tion Volume 3 Locations and Service Procedures Otherwise continue Go to Step 033 031 Perform all tests of Verification Test for Supervisor Bus in IBM RS 6000 SP Mainte...

Page 45: ...No 036 Problem is in the unit processor node or switch assembly Replace the supervisor bus cable inside processor node or switch assembly refer to FRU Removals and Replacements in IBM RS 6000 SP Maint...

Page 46: ...nance Information Volume 3 Locations and Service Procedures to verify fix If this is the second time here replace the tailgate card and cable and go back to Step 036 on page 1 25 and perform Node Swit...

Page 47: ...inue otherwise ask customers to initiate shutdown procedure and power off processor node s from the control workstation or defer maintenance until all jobs are completed Attention If this frame contai...

Page 48: ...6000 SP Maintenance Information Volume 3 Locations and Service Procedures Check system monitor log from the control workstation Did the failing addresses move to other Set Yes No 050 Return the cables...

Page 49: ...Perform Verification Test for Supervisor Bus in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures Did this verification test pass Yes No 054 Go to MAP 0120 Supervisor Bu...

Page 50: ...tion detected power shut off Power Green Off No 48 V dc power available at processor node Flashing Power available at processor node but RS 6000 logic is Off On Power available at processor node and R...

Page 51: ...llow Environment status On Problem 4 Green I O expansion power On Good 3 Green CPU assembly On Good 2 Green I O expansion assembly installed On Yes 1 Green Node power status On OK Front Power LEDs Thi...

Page 52: ...able Table 1 5 POWER3 SMP Node LED Definitions LED Color Signifies 8 Not used 7 Not used 6 Not used 5 Yellow Environment status On Problem 4 Green I O expansion power On Good 3 Green CPU assembly On G...

Page 53: ...6000 Model Thin Nodes 62 MHz Thin Node 7012 Model 370 66 MHz Thin Node 7012 Model 390 66 MHz Thin Node 2 7012 Model 394 120 MHz Thin Node No equivalent RS 6000 model 160 MHz Thin Node 7012 Model 397 W...

Page 54: ...ol harness Control cables Power cables Fans Supervisor bus assembly Refer to Figure 1 7 on page 1 40 Figure 1 8 on page 1 41 and Figure 1 9 on page 1 42 for high level views of a 66 MHz thin processor...

Page 55: ...display card Circuit breaker Node control harness Control cables Power cables Fans Fixed disk drive cable s Refer to Figure 1 10 on page 1 43 for a high level view of a wide processor node and to Loc...

Page 56: ...cuit breaker Node control harness Control cables Power cables Fixed disk drive cable s Refer to Figure 1 11 on page 1 44 for a high level component view of a 604 or 604e high processor node and to Loc...

Page 57: ...mix card MX bus card Wide node interface card LED display card Circuit breaker power cables Node control harness Control cables Fixed disk drive cable s Refer to Figure 1 12 on page 1 45 for a high le...

Page 58: ...of a SP attached server Types The RS 6000 SP feature codes associated with the SP attached server F C 9122 plus F C 9123 refer to the system connections that attach the RS 6000 enterprise Server to y...

Page 59: ...ide node interface card LED display card Circuit breaker power cables Node control harness Control cables Fixed disk drive cable s Refer to Figure 1 13 on page 1 46 for a high level component view of...

Page 60: ...MAP 0130 Processor Node Figure 1 7 Thin Node High Level Diagram 1 40 RS 6000 SP MAPs...

Page 61: ...I O Planar PL CPU Card Yellow LED Green LED DASD 1 DASD 2 Planar Serial Port Node Supervisor Power Card Assembly SV 12v DC 48v DC J102 J8 J7 CB J101 J101 J111 J103 J203 J204 P3 DASD Power 12v from 48...

Page 62: ...Harness Planar PL Yellow LED Green LED DASD 1 DASD 2 Planar Serial Port Node Supervisor Power Card Assembly SV 12v DC 48v DC J102 J8 J7 CB J101 J101 J111 J103 J203 J204 P3 DASD Power 12v from 48 5 12...

Page 63: ...J40A Power Planar Serial Port Power Control Sense Front Panel Controls Power Power Power Power J16A J13A J65 J45 CB P2 P1 J8 48 V DASD 3 DASD 1 DASD 4 DASD 2 LED Card Node Supervisor Card SV Node Powe...

Page 64: ...MAP 0130 Processor Node Figure 1 11 604 or 604e High Node High Level Component Diagram 1 44 RS 6000 SP MAPs...

Page 65: ...MAP 0130 Processor Node Figure 1 12 332 MHz SMP Node High Level Component Diagram Chapter 1 Maintenance Analysis Procedures MAPs 1 45...

Page 66: ...tention Servicing a processor node with the High Performance Switch HiPS feature or Scalable POWERparallel Switch SPS feature installed will impact the entire switch network unless the processor node...

Page 67: ...20 160 MHz Thin Node Environment on page 1 60 MAP 0210 Wide Processor Node Environment on page 1 98 MAP 0250 604 or 604e High Node Environment on page 1 124 MAP 0290 332 MHz SMP Node Environment on pa...

Page 68: ...Service Guide Note Before disconnecting cables or per forming service actions on an SP attached server perform Decou pling and Coupling Code for SP Attached Servers in RS 6000 SP Maintenance Informati...

Page 69: ...tached servers RS 6000 Machine Type 7017 S70 and S7A Check the server to SP con nection cables for correct plugging Refer to Installing SP Attached Server Cables in RS 6000 SP Maintenance Information...

Page 70: ...returning to Step 001 and treating the message as a Shutdown or Failure message or service can be deferred until a later date 004 Notify next level of support 005 A serious environmental condition has...

Page 71: ...s No 007 Fix power cable problem Replace cable if necessary Go to Step 018 on page 1 53 008 Is this a 5 V 12 V 12 V or planar power problem Yes No 009 Go to Step 037 on page 1 56 010 Disconnect planar...

Page 72: ...Short Open on page 1 84 014 Problem in node supervisor card Replace node supervisor card Is there a 4 V dc problem Yes No 015 Go to Step 017 016 Go to Step 037 on page 1 56 017 One or more of the foll...

Page 73: ...n Go to Step 017 on page 1 52 to service next highest priority component 021 Priority Component Action 1 Fan 1 2 or 3 1 Check specified fan for blockage or loose cable connection 2 Fix any obvious pro...

Page 74: ...eck air temperature around the frame looking for sources of abnormally high temperatures above 40 C or 104 F Is there an obvious airflow blockage or abnormally high temperature source near air intakes...

Page 75: ...Call next level of support 028 Fix obvious problem Go to Step 024 029 Place processor node in service position Power off the processor node and remove blockage Reconnect all cables at rear of the proc...

Page 76: ...nnel Bus Systems SA38 0532 and Adapters Devices and Cable Information SA38 0533 to ensure that they are com patible with the fastest Type 7012 machines If necessary call next level of support 037 Prob...

Page 77: ...ache and memory SIMMs from the original CPU card to the new one Go to Step 025 on page 1 55 043 Fix obvious problem As required replace parts suspected of causing problem Go to Step 038 on page 1 56 0...

Page 78: ...r card If suspected of a problem replace the jumper card Restore processor node by performing steps in Step 054 then return to this step to continue Is the environmental yellow LED ON or FLASHING Yes...

Page 79: ...ent 054 continued Is the environmental yellow LED ON or FLASHING Yes No 055 Problem resolved Go to MAP 0570 End of Call on page 1 357 056 Problem not resolved Go to Step 037 on page 1 56 Chapter 1 Mai...

Page 80: ...y returning to Step 001 and treating the message as a Shutdown or Failure message or service can be deferred until a later date 004 Notify next level of support 005 A serious environmental condition h...

Page 81: ...ughter card connections from N00 NS J103 to N00 DP J203 Do power cable s appear to be okay Yes No 007 Fix power cable problem Replace cable if necessary Go to Step 018 on page 1 63 008 Is this a 5 V 1...

Page 82: ...RS 6000 power distribution Reconnect planar cable at N00 NS P102 only Go to MAP 0180 Thin Processor Node dc Short Open on page 1 84 014 Problem in node supervisor card Replace node supervisor card Is...

Page 83: ...2 Continue at Step 018 on page 1 63 3 Node supervisor card 1 Replace card 2 Continue at Step 018 on page 1 63 4 Node supervisor control cable 1 Replace cable Refer to Figure 1 15 on page 1 63 for cabl...

Page 84: ...ture is out of specified range however no serious electrical current or fan speed problems have been detected Check for airflow blockage at air intakes and exhaust of the processor node and system fra...

Page 85: ...cessor node and remove blockage Reconnect all cables at rear of the processor node With Environmental yellow LED Off power on the processor node Does the processor node IPL Yes No 030 Processor has pr...

Page 86: ...Type 7012 machines If necessary call next level of support 037 Problem with dc voltage for I O planar Disconnect power cable N00 DP J204 at daughter power card Using a digital multimeter measure resi...

Page 87: ...memory card Check memory SIMMs for obvious problems Replace any suspect memory SIMM s Replace base memory card transferring all good memory SIMMs from the original card to the new one Repeat measurem...

Page 88: ...052 051 Fix obvious problem As required replace damaged components Go to Step 052 052 Component replaced or reseated Make sure all cables and components are connected inside processor node Remove proc...

Page 89: ...er green LED Off Yes No 002 Processor node getting 48 V dc power Is Power green LED flashing Yes No 003 Power green LED is On indicating no problem with power supply Verify that you have the proper pr...

Page 90: ...use a short Yes No 012 Replace the node supervisor card Remove processor node from service position Reconnect all cables at rear of the processor node Reinstall processor node in the frame and connect...

Page 91: ...ED on other processor s nodes On or Flashing Yes No 018 Go to MAP 0370 Main Power on page 1 222 019 Check all other processor nodes on the same dc power harness as the failing processor node to check...

Page 92: ...isor card or node power harness inside processor node Go to Step 028 028 Using a digital multimeter check for continuity between tailgate N00 NS J110 pin 1 and pin 2 Does the multimeter indicate an op...

Page 93: ...reen LED OFF Yes No 032 Problem resolved Go to MAP 0570 End of Call on page 1 357 033 Problem with the 48 V dc power distribution to this processor node Go to MAP 0480 Open in 48 V dc Distribution on...

Page 94: ...Service Procedures for locating and fencing unfencing nodes within a switch partition 001 Processor node problem detected by customer or CE Use the following table to continue service Condition Actio...

Page 95: ...if the mode switch is in the SECURE position Go to MAP 0570 End of Call on page 1 357 007 From the control workstation issue reset for this processor node Does processor node reset Yes No 008 Problem...

Page 96: ...t LEDs eventually indicate completion of IPL sequence i e blank or uuu Yes No 015 Processor node has problem IPLing Do 3 digit LEDs stop at constant 200 Yes No 016 Go to Step 008 on page 1 88 to conti...

Page 97: ...2 This is an intermittent problem Please record following tracking information Node number Date Time fault reported Type of fault reported Action taken or component replaced Go to MAP 0570 End of Call...

Page 98: ...P22 pin 2 025 Component has been repaired or replaced Remove processor node from service position Reconnect all cables at rear of the processor node If not already done verify that cables and componen...

Page 99: ...dow if already open Log into the node over the Ethernet telnet nodename Enter the following command chcons dev tty1 Use diag command to run regular not advanced diagnostics on TTY0 Do the diagnostics...

Page 100: ...vice position Reconnect all cables at rear of the processor node As processor node completes IPL check the TTY console window From the control workstation node front panel display put the processor no...

Page 101: ...e card 2 Perform Verification Test for Supervisor Bus in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures 3 Go to Step 037 to verify fix 3 Planar Board 1 Replace board...

Page 102: ...Ds light at any time Yes No 043 Place processor node in service position Replace LED display card Perform Node Switch Supervisor Self Test in IBM RS 6000 SP Maintenance Information Volume 3 Locations...

Page 103: ...MAP 0170 Thin Processor Node Control 046 continued Go to MAP 0570 End of Call on page 1 357 Chapter 1 Maintenance Analysis Procedures MAPs 1 83...

Page 104: ...ance is too high Check for one or more of the following conditions Open in planar power cable from node supervisor card N00 NS J102 to I O planar N00 PL J2 Open voltage plane in I O planar caused by a...

Page 105: ...Parts are ordered by probable cause of failure X indicates voltage is used The following table refers to I O Planar jack N00 PL J2 Voltage Measure From positive lead To GND negative lead Acceptable R...

Page 106: ...I O planar board Reinstall all other original components Go to Step 009 on page 1 85 to verify the resistance 014 Replace component Reinstall all other original components Return to Step 009 on page 1...

Page 107: ...on Open the TTY to the failing node Real time error data can be observed that can help with problem deter mination and repair Processor problem detected by RS 6000 logic From the system monitor on the...

Page 108: ...isplay u98 Indicates processor node is IPLed in mainte nance mode Refer to Selecting a Processor Node Boot Response in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures...

Page 109: ...TY console on this processor node 3 Press 1 then ENTER in the TTY console window 4 SERVICE IPL should continue LEDs stop at 292 during IPL Problem configuring SCSI SSA serial device If the failing dev...

Page 110: ...nimum Configuration on page 1 145 LEDs stop at constant 980 Problem with HiPS adapter 1 Go to MAP 0540 Switch Function on page 1 322 LEDs stop at c20 c29 during IPL Node boot information corrupted Cal...

Page 111: ...of P1 mx x For 332 MHz SMP Node memory card DIMM locations refer to Location Diagrams of the RS 6000 SP Components in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures...

Page 112: ...hange the V dc converter daughter card before replacing the CPU card 3 If this is a 604 or 604e high node consider lateral planar 1 card and lateral planar 2 card as possible cause of this problem If...

Page 113: ...Call next level of support 013 Go to MAP 0570 End of Call on page 1 357 Replaced Part Required Customer Action System I O Planar Thin processor node Ethernet adapter in Micro Channel slot 1 Wide or 6...

Page 114: ...ed configura tions Condition Default IPL Device Thin wide high processor node Normal operation Response field indicates disk Problem with SCSI device Boot disk most likely disk 1 Wide processor node R...

Page 115: ...ay for this processor node for non blank values Do you get a problem indication in the 3 digit display Yes No 006 Probable software problem Call next level of support 007 Go to MAP 0190 Processor Node...

Page 116: ...SCSI MCA card 3 Go to Step 012 3 Device list does not include the problem hdisk Diagnostics fail for the problem hdisk hdisk missing 1 Check the SCSI bus cables and SCSI riser card if present for a lo...

Page 117: ...and Service Procedures Did you replace the boot disk Yes No 014 From the control workstation power off and on this processor node Does this processor node IPL Yes No 015 Probable software problem AIX...

Page 118: ...be done now by returning to Step 001 and treating the message as a Shutdown or Failure message or service can be deferred until a later date 004 Notify next level of support 005 A serious environmenta...

Page 119: ...C P60 pin 7 N00 SV P102 pin 33 12 V N00 PC P60 pin 10 N00 SV P102 pin 35 Does the power control sense cable appear to be okay Yes No 007 Problem with node supervisor control cable N00 SV P102 Go to St...

Page 120: ...t locations shown in Step 009 Go to MAP 0240 Wide Processor Node dc Short Open on page 1 120 011 Replace cable Reconnect all cables inside the processor node Remove processor node from service positio...

Page 121: ...table to reseat or replace components Priority Component Action 1 Fan 1 2 3 4 or 5 1 Check specified fan for blockage or loose cable connection 2 Fix any obvious problem s If none are found continue a...

Page 122: ...o 017 Problem resolved Go to MAP 0570 End of Call on page 1 357 018 Put circuit breaker at the front of the processor node in the Off 0 position Go to Step 015 on page 1 101 to service next highest pr...

Page 123: ...in the On 1 position Check Environmental yellow LED for ON or FLASHING condition Is Environmental yellow LED ON or FLASHING Yes No 023 Problem resolved Remove processor node from service position Go...

Page 124: ...ed recently since last successful IPL in this processor node Yes No 031 Problem may be base memory card CPU card I O planar or node supervisor control cable Replace parts one at a time until problem i...

Page 125: ...en LED Off Yes No 002 Processor node getting 48 V dc power Is Power green LED flashing Yes No 003 Power green LED is On indicating no problem with power supply Verify that you have the proper processo...

Page 126: ...No 013 Fix obvious problem s If necessary replace node power harness Remove processor node from service position Reconnect all cables at rear of the processor node Go to Step 010 014 Put circuit brea...

Page 127: ...P2 Processor nodes 5 6 7 8 PDU BH P3 Processor nodes 9 1 11 12 PDU BH P4 Processor nodes 13 14 15 16 Is the Power green LED on any other processor node On or Flashing Yes No 018 Go to MAP 0370 Main P...

Page 128: ...Problem with node 48 V dc harness inside processor node Replace the node 48 V dc harness N00 PC P2 inside this processor node Go to Step 031 to verify fix 028 Unplug power service cable at node super...

Page 129: ...reen LED OFF Yes No 032 Problem resolved Go to MAP 0570 End of Call on page 1 357 033 Problem with the 48 V dc power distribution to this processor node Go to MAP 0480 Open in 48 V dc Distribution on...

Page 130: ...3 Locations and Service Procedures for locating and fencing unfencing nodes within a switch partition 001 Processor node problem detected by customer or CE Use the following table to continue service...

Page 131: ...sor node will not reset if the mode switch is in the SECURE position Go to MAP 0570 End of Call on page 1 357 007 From the control workstation issue reset from this processor node Does the processor n...

Page 132: ...r node is IPLing Do 3 digit LEDs eventually indicate completion of IPL sequence i e blank or uuu Yes No 015 Processor node has problem IPLing Do 3 digit LEDs stop at constant 200 Yes No 016 Go to Step...

Page 133: ...r on only answer No Yes No 022 This is an intermittent problem Please record following tracking information Node number Date Time fault reported Type of fault reported Action taken or component replac...

Page 134: ...tep 025 on page 1 114 to verify fix 5 All replaced Call next level of support Node supervisor card N00 NS JS39 to I O planar N00 PL J39 cable check points Table 1 8 Cable Continuity Check Points Signa...

Page 135: ...8 Problem due to hardware Close console TTY window if already open Log into the node over the Ethernet telnet nodename Enter the following command chcons dev tty1 Use diag command to run regular not a...

Page 136: ...ep 031 on page 1 116 to verify fix 5 All replaced Call next level of support 031 Component has been repaired or replaced Remove processor node from service position Reconnect all cables at rear of the...

Page 137: ...place cable assembly as required 3 Go to Step 037 to verify fix 3 Wide Node Supervisor Card 1 Replace card 2 Perform Verification Test for Supervisor Bus in IBM RS 6000 SP Maintenance Information Volu...

Page 138: ...aintenance Information Volume 3 Locations and Service Procedures ignoring PASS FAIL results Check yellow and green LEDs at front and rear of processor to see if each LED lights at some point Does each...

Page 139: ...0 SP Maintenance Information Volume 3 Locations and Service Procedures to verify replacement Go to Step 048 048 All LEDs are operating Remove processor node from service position Reconnect all cables...

Page 140: ...P45 N00 PC P65 Pin 10 Pin 4 Pin 4 Pin 1 Pin 3 Pin 3 10 30 100 500 100 500 12 V N00 PC P40A N00 PC P45 N00 PC P65 Pin 6 Pin 1 Pin 1 Pin 1 Pin 2 Pin 2 800 100K 1K 5K 1K 5K 12 V N00 PC P40A Pin 3 Pin 1 1...

Page 141: ...involves the CPU planar Clip multimeter leads to the connector pins for the voltage that shows resistance out of range Remove memory cards one at a time until all components have been removed or resis...

Page 142: ...blem Yes No 013 Problem still exists Go to Step 015 014 This adapter was causing problem Call next level of support 015 If necessary place processor node in service position Clip multimeter leads to t...

Page 143: ...P45 or N00 PC P65 Go to Step 021 to verify fix 020 Replace the DASD that is causing the short condition Go to Step 021 to verify fix 021 Part was replaced Recheck resistance per Step 001 on page 1 120...

Page 144: ...fer to Power Keylock Status Register PKSR in RS 6000 SP Maintenance Information Volume 3 to decode power register bits Does message indicate loss of power or power off Yes No 004 Is the message a warn...

Page 145: ...er supplies Is the power supplies green LED Off Yes No 013 Check for airflow blockage and or fan or cooling problems with the node Do any of these problems exist Yes No 014 Verify that you have the co...

Page 146: ...he control workstation power off the processor node Place the processor node in the service position Use the following prioritized table to continue service Priority Component Action 1 Node supervisor...

Page 147: ...d Service Procedures Replace the 604 or 604e high node from the service position Is the power supplies green LED Off Yes No 027 Go to Step 033 on page 1 128 028 Place the 604 or 604e high node in serv...

Page 148: ...in RS 6000 SP Maintenance Infor mation Volume 3 to decode power register bits 2 Fix any obvious problem s If none are found continue at Priority 2 3 Continue at Step 035 on page 1 129 2 Fan 1 2 3 4 5...

Page 149: ...This fault is normally generated only when invalid memory cards are installed in the processor node Have memory parts been changed recently since last successful IPL in this processor node Yes No 039...

Page 150: ...have the proper processor node then go to MAP 0130 Processor Node on page 1 30 004 Processor node is getting power Power on RS 6000 logic from the virtual front panel on the control workstation Does...

Page 151: ...No 014 Go to MAP 0250 604 or 604e High Node Environment Step 012 on page 1 125 015 Check circuit breakers at front of processor node Put these circuit breakers in the On 1 position if they are not alr...

Page 152: ...ode Go to Step 015 on page 1 131 022 From control workstation or processor node check green LED 1 for this node Is green LED 1 off or is No Power to Node displayed on the control workstation Yes No 02...

Page 153: ...behind CB panel below high node and at the four 48 volt power distribution connection Are there a good connection Yes No 029 Fix cable connection problem Go to Step 022 on page 1 132 030 Put circuit...

Page 154: ...Environment Step 017 on page 1 125 036 Go to Step 001 on page 1 130 037 48 volts missing at either P1 or P2 If P1 replace CB01 If P2 replace CB02 Is voltage still missing at either P1 or P2 Yes No 03...

Page 155: ...processor node s in from service position Refer to Viewing Switch Partitions in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures for locating and fencing unfencing nod...

Page 156: ...sor node Does processor node reset Yes No 005 Problem with reset Go to Step 012 on page 1 137 006 No problem found Inform customer that the processor node will not reset if the mode switch is in the S...

Page 157: ...ating IPL Do the 3 digit LEDs change Yes No 013 Node supervisor card not responding to commands Go to MAP 0110 Supervisor Subsystem on page 1 10 014 Processor node is IPLing Do 3 digit LEDs eventually...

Page 158: ...ue isolation 021 Node reset and mode switches functioning properly Was this a solid problem If the problem was cleared by power on only answer No Yes No 022 This is an intermittent problem Please reco...

Page 159: ...e from service position Reconnect all cables at rear of the processor node Put the circuit breaker at the front of the processor node in the On 1 position Go to Step 014 on page 1 137 to continue serv...

Page 160: ...net telnet nodename Enter the following command chcons dev tty1 Use diag command to run regular not advanced diagnostics on TTY0 Do the diagnostics pass no problem found Yes No 029 Run wrap diagnostic...

Page 161: ...ification Test for Supervisor Bus in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures 3 Go to Step 035 to verify fix 4 Lateral planar 1 card 1 Replace card 2 Perform Ve...

Page 162: ...ff 0 position Place processor node in service position Refer to the following table for priority of replacement or repair of components Priority Component Action 1 Cable between frame supervisor and n...

Page 163: ...page 1 30 as necessary 045 Problem resolved Go to MAP 0570 End of Call on page 1 357 046 Yellow or green LED on node supervisor is not functioning Have the customer remove the processor node from the...

Page 164: ...Ds light at any time Yes No 049 Go to Step 051 050 Problem resolved Go to Step 052 051 Replace the node supervisor card Perform Node Switch Supervisor Self Test in IBM RS 6000 SP Maintenance Informati...

Page 165: ...ated to the failing FRU Notes 1 The Graphical User Interface GUI Node Front Panel Layout may not release the serial port It is necessary to issue s1term Gw Frame Node to take the serial port from the...

Page 166: ...ower off 2 From the GUI Node Front Panel Layout set the physical key to the service position 3 Press Enter at the TTY console 4 Type sbb 5 Press Enter 6 Select Set Flags 1 7 Enable the BUMP Console Pr...

Page 167: ...cept for 165 which may display up to ten minutes with no activity on the BUMP console and the Power light is on Go to Step 002 on page 1 147 326 or greater Digits are on solid for more than 3 minutes...

Page 168: ...visor card supervisor interposer card 13 Media power cable The system is working correctly if the maintenance menu is displayed If this occurs the last part you exchanged is defective Set the circuit...

Page 169: ...memory cards MC are installed and tested After all CPU cards CPU and all memory cards MC are installed and tested set the circuit breakers to the Off 0 position Install the SCSI adapter Connect the SC...

Page 170: ...ition Exchange one of the FRUs in the list Set the circuit breakers to the On 1 position Wait for one of the following conditions to occur The Maintenance Menu is displayed The same three digit number...

Page 171: ...tem stops with c31 displayed in the operator panel display The same three digit number is displayed in the operator panel display for longer than three minutes except for the number 165 which may disp...

Page 172: ...r is displayed in the operator panel display for longer than three minutes except for the number 165 which may display for up to ten minutes with no activity on the BUMP console The number 888 or is i...

Page 173: ...efective Exchange the defective device or cable Go to MAP 0570 End of Call on page 1 357 032 Set the circuit breakers to the Off 0 position Record the slot numbers of the adapters Label and record the...

Page 174: ...SELECTION menu displays select System Verification Run the diagnostics for each of the adapters and devices on the test list Did you get an SRN Yes No 035 One of the adapters or devices you removed i...

Page 175: ...caused by The disk pulling the bus down on the SCSI adapter A defective SCSI adapter A defective terminator A defective SIB A defective cable Set the circuit breakers to the Off 0 position Remove the...

Page 176: ...from the I O module except the SCSI Remove all devices except the diag net boot disk Set the circuit breakers to the On 1 position If the Maintenance Menu is displayed select System Boot then Boot Fro...

Page 177: ...to the Off 0 position Install a device Set the circuit breakers to the On 1 position If the Maintenance Menu is displayed select System Boot Boot From List If the system stops with a 260 displayed and...

Page 178: ...th a c31 in the operator panel display follow the instructions on the display to select your console Is a flashing or solid 269 displayed in the operator panel display Yes No 057 If the DIAGNOSTIC OPE...

Page 179: ...g FRU Yes No 061 Go to Step 039 on page 1 154 062 Replace the failing FRU Go to MAP 0570 End of Call on page 1 357 063 Exchange the hdisk0 Try performing service diagnostics from network boot to deter...

Page 180: ...k for Loss of Power or warning messages Does message indicate loss of power or power off Yes No 004 Is the message a warning Yes No 005 Go to Step 010 on page 1 161 006 Message is a warning only Does...

Page 181: ...green LED 1 On or flashing Yes No 011 LED 1 is Off Go to MAP 0300 332 MHz SMP Node Power on page 1 169 012 Is the node supervisor green LED 1 On but not flashing Yes No 013 LED 1 is flashing Go to Ste...

Page 182: ...e connecting or disconnecting 48 volt power cables from the node Check for 48 volts present at the 332 MHz SMP processor node end of the input cable s Measure between the voltage and the return pins I...

Page 183: ...g Yes No 030 Go to Step 014 on page 1 161 031 Is the I O power assembly green LED on not flashing Yes No 032 Check CPU and I O power assembly yellow LEDs Are the yellow LEDs on or flashing Yes No 033...

Page 184: ...Step 038 on page 1 163 and replace the next highest priority component 044 Problem with 48 volts sensing From the control workstation power off the processor node Place the processor node in the serv...

Page 185: ...ashing Yes No 049 Go to Step 055 on page 1 166 050 Place the 332 MHz SMP node in service position and replace the power supervisor cable assembly Refer to Replacing the Power Supervisor Cable Assembly...

Page 186: ...e 332 MHz SMP node from the service position Is the power supplies green LED Off or flashing Yes No 053 Go to Step 055 054 Go to MAP 0430 dc Power Loss from Bulk dc Power Supply s on page 1 250 055 Re...

Page 187: ...bvious problem s 3 Continue at Step 057 on page 1 167 3 Front assembly FRU 1 Replace assembly 2 Continue at Step 057 on page 1 167 4 Power supervisor cable assembly 1 Replace assembly 2 Continue at St...

Page 188: ...me until problem is corrected Are you able to correct the problem Yes No 062 Call next level of support 063 Problem resolved Go to MAP 0570 End of Call on page 1 357 064 Check memory card and SIMM par...

Page 189: ...e the I O power assembly power interlock bar and tab engaged correctly Yes No 004 Reseat the I O power assembly and ensure the power interlock bar and tab are engaged cor rectly Have the problem sympt...

Page 190: ...c from the virtual front panel on the control workstation Does green LED 1 light and stay lit Yes No 014 Check the front assembly power interlock bar s and power interlock tab s are engaged properly A...

Page 191: ...plies green power LED flashing Yes No 024 Is the power supplies green LED on steady Yes No 025 The LED is Off Exchange the power supply 026 Go to MAP 0570 End of Call on page 1 357 027 Switch the CB O...

Page 192: ...8 volts missing Go to MAP 0290 332 MHz SMP Node Environment Step 017 on page 1 161 037 Check the node supervisor card yellow LED 5 Is the yellow LED 5 Off Yes No 038 Base code loaded on node superviso...

Page 193: ...om service position Reconnect all cables at rear of the processor node Go to Step 041 045 Using a multimeter check for a short between the pins of the 48 volt input connector s J8 at the rear of the n...

Page 194: ...052 Check processor node s on any other dc power harness for any that are powered on Ensure that the other processor node has its circuit breaker in the On 1 position Check the green LED 1 for an On o...

Page 195: ...heck for 48 volts present at the 332 MHz SMP processor node end of the input cable s Measure between the voltage and the return pins Is there 48 volts present at the connector s Yes No 059 Voltage is...

Page 196: ...MAP 0300 332 MHz SMP Node Power 064 continued Go to Step 008 on page 1 169 1 176 RS 6000 SP MAPs...

Page 197: ...Procedures in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures for placing or removing processor node s in from service position Refer to Viewing Switch Partitions in...

Page 198: ...07 From the control workstation node front panel display Shutdown and power off processor node Power on processor node Check LCDs for sequence indicating IPL Do the LCDs change Yes No 008 Node supervi...

Page 199: ...oblem was cleared by power on only answer No Yes No 015 This is an intermittent problem Please record following tracking information Node number Date Time fault reported Type of fault reported Action...

Page 200: ...tinue service 019 No response from TTY console for a processor node From the system file server telnet into this processor node telnet nodename Log in as root Have the customer check to make sure that...

Page 201: ...o trouble found Yes No 025 Replace I O planar board Go to Step 028 on page 1 182 026 Go to Step 027 027 Log into the node over the Ethernet telnet nodename Enter the following command chcons dev tty0...

Page 202: ...d Remove processor node from service position Reconnect all cables at rear of the processor node As processor node completes IPL check the TTY console window From the control workstation node front pa...

Page 203: ...as required 3 Go to Step 034 to verify fix 3 I O Planar Board 1 Replace board 2 Go to Step 034 to verify fix 4 All Replaced Call next level of support 034 Component has been repaired or replaced Remov...

Page 204: ...ocessor node in service position Repeat Node Switch Supervisor Self Test in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures Check to see if same color LED is always Of...

Page 205: ...MAP 0310 332 MHz SMP Node Control 045 continued Go to MAP 0570 End of Call on page 1 357 Chapter 1 Maintenance Analysis Procedures MAPs 1 185...

Page 206: ...disks If possible keep this boot disk in the configuration even if it means physically moving the boot disk from the I O expansion chassis to the CPU chassis Note DASD logical volume problems can be...

Page 207: ...Component is working correctly Go to Step 007 to add another component If all components have been installed go to MAP 0570 End of Call on page 1 357 011 Component is working correctly Go to Step 007...

Page 208: ...ice processor card Boot DASD DASD cable 2 drop or 4 drop I O planar System planar Flat ribbon power cable Does the node IPL properly Yes No 014 Replace next component in list on Step 013 If all compon...

Page 209: ...the I O expansion control cable and IPL the node Does the IPL fail Yes No 022 Add components removed in Step 005 on page 1 186 one at a time in the following order and IPL the node PCI adapters one at...

Page 210: ...d IPL the node Does the IPL fail Yes No 030 Go to Step 022 on page 1 189 031 Replace the interposer adapter cable Does the IPL fail Yes No 032 Go to Step 022 on page 1 189 033 Replace the interposer a...

Page 211: ...or Loss of Power or warning messages Does message indicate loss of power or power off Yes No 004 Is the message a warning Yes No 005 Go to Step 010 on page 1 192 006 Message is a warning only Does thi...

Page 212: ...ode supervisor green LED 1 On or flashing Yes No 011 LED 1 is Off Go to MAP 0340 POWER3 SMP Thin and Wide Node Power on page 1 200 012 Is the node supervisor green LED 1 On but not flashing Yes No 013...

Page 213: ...ing or disconnecting 48 volt power cables from the node Check for 48 volts present at the POWER3 SMP processor node end of the input cable s Measure between the voltage and the return pins Is there 48...

Page 214: ...reen LED on or flashing Yes No 030 Go to Step 014 on page 1 192 031 Is the I O power assembly green LED on not flashing Yes No 032 Check CPU and I O power assembly yellow LEDs Are the yellow LEDs on o...

Page 215: ...on page 1 194 and replace the next highest priority component 044 Problem with 48 volts sensing From the control workstation power off the processor node Place the processor node in the service posit...

Page 216: ...es green LED Off or flashing Yes No 049 Go to Step 055 on page 1 197 050 Place the POWER3 SMP node in service position and replace the power supervisor cable assembly Refer to Replacing the Power Supe...

Page 217: ...SMP node from the service position Is the power supplies green LED Off or flashing Yes No 053 Go to Step 055 054 Go to MAP 0430 dc Power Loss from Bulk dc Power Supply s on page 1 250 055 Remove proce...

Page 218: ...ster bits 2 Fix any obvious problem s 3 Continue at Step 057 on page 1 198 3 Front assembly FRU 1 Replace assembly 2 Continue at Step 057 on page 1 198 4 Power supervisor cable assembly 1 Replace asse...

Page 219: ...problem is corrected Are you able to correct the problem Yes No 062 Call next level of support 063 Problem resolved Go to MAP 0570 End of Call on page 1 357 064 Check memory card and SIMM part numbers...

Page 220: ...No 002 Go to Step 008 003 Are the I O power assembly power interlock bar and tab engaged correctly Yes No 004 Reseat the I O power assembly and ensure the power interlock bar and tab are engaged cor...

Page 221: ...ogic from the virtual front panel on the control workstation Does green LED 1 light and stay lit Yes No 014 Check the front assembly power interlock bar s and power interlock tab s are engaged properl...

Page 222: ...0 023 48 V present Is the power supplies green power LED flashing Yes No 024 Is the power supplies green LED on steady Yes No 025 The LED is Off Exchange the power supply 026 Go to MAP 0570 End of Cal...

Page 223: ...MAP 0330 POWER3 SMP Thin and Wide Node Environment Step 017 on page 1 192 037 Check the node supervisor card yellow LED 5 Is the yellow LED 5 Off Yes No 038 Base code loaded on node supervisor card Go...

Page 224: ...move processor node from service position Reconnect all cables at rear of the processor node Go to Step 041 045 Using a multimeter check for a short between the pins of the 48 volt input connector s J...

Page 225: ...processor node s on any other dc power harness for any that are powered on Ensure that the other processor node has its circuit breaker in the On 1 position Check the green LED 1 for an On or Flashin...

Page 226: ...on 1 position Check for 48 volts present at the POWER3 SMP processor node end of the input cable s Measure between the voltage and the return pins Is there 48 volts present at the connector s Yes No...

Page 227: ...MAP 0340 POWER3 SMP Thin and Wide Node Power 064 continued Go to Step 008 on page 1 200 Chapter 1 Maintenance Analysis Procedures MAPs 1 207...

Page 228: ...d Refer to Service Position Procedures in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures for placing or removing processor node s in from service position Refer to Vi...

Page 229: ...he control workstation node front panel display Shutdown and power off processor node Power on processor node Check LCDs for sequence indicating IPL Do the LCDs change Yes No 008 Node supervisor card...

Page 230: ...olid problem If the problem was cleared by power on only answer No Yes No 015 This is an intermittent problem Please record following tracking information Node number Date Time fault reported Type of...

Page 231: ...ervice 019 No response from TTY console for a processor node From system file server telnet into this processor node telnet nodename Log in as root Have the customer check to make sure that the TTY po...

Page 232: ...Do diagnostics pass no trouble found Yes No 025 Replace I O planar board Go to Step 028 on page 1 213 026 Go to Step 027 027 Log into the node over the Ethernet telnet nodename Enter the following co...

Page 233: ...processor node from service position Reconnect all cables at rear of the processor node As processor node completes IPL check the TTY console window From the control workstation node front panel displ...

Page 234: ...eplace cable assembly as required 3 Go to Step 034 to verify fix 3 I O Planar Board 1 Replace board 2 Go to Step 034 to verify fix 4 All Replaced Call next level of support 034 Component has been repa...

Page 235: ...ode in service position Repeat Node Switch Supervisor Self Test in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures Check to see if same color LED is always Off in fron...

Page 236: ...MAP 0350 POWER3 SMP Thin and Wide Node Control 045 continued Go to MAP 0570 End of Call on page 1 357 1 216 RS 6000 SP MAPs...

Page 237: ...at address jumpers on the disks If possible keep this boot disk in the configuration even if it means physically moving the boot disk from the I O expansion chassis to the CPU chassis 001 Check if th...

Page 238: ...Go to Step 008 010 Component is working correctly Go to Step 007 to add another component If all components have been installed go to MAP 0570 End of Call on page 1 357 011 Component is working corre...

Page 239: ...4 drop I O planar System planar Flat ribbon power cable Does the node IPL properly Yes No 014 Replace next component in list on Step 013 If all components have been replaced call next level of suppor...

Page 240: ...PLs correctly Replace the I O expansion control cable and IPL the node Does the IPL fail Yes No 022 Add components removed in Step 005 on page 1 217 one at a time in the following order and IPL the no...

Page 241: ...1 220 029 Replace the interposer adapter cable Does the IPL fail Yes No 030 Go to Step 022 on page 1 220 031 Replace the interposer adapter card Does the IPL fail Yes No 032 Go to Step 022 on page 1...

Page 242: ...ply by the System Monitor J5 J4 J3 J2 J1 J7 J8 J9 3 2 GND AC Line Filter Connections Test Points on Top LED J6 1 A Even Switch 4 3 2 1 B Odd Nodes 48 V to Nodes and HiPS 200 240 V ac Input To Front Po...

Page 243: ...l interface PCI function All power modules are controlled with one power switch by the System Monitor LED AC Line Cord PC FS CH Figure 1 18 Rear View of Scalable Electrical Power Base Unit SP 49 InchF...

Page 244: ...d concerning power in frame Attention When servicing frame s in a parallel environment powering off a frame will cause all parallel jobs to terminate The switch network can not be re initialized until...

Page 245: ...24 V dc power system consists of the following components Supervisor 12 V dc power supply S1 Contactor main power switch 24 V dc power supply S2 PDU rear panel LED Main power switch LED Connector car...

Page 246: ...r Frame Supervisor Card Frame Connector Card Power Control Supervisor Bus Jumper Cables RS232 Active 48 V dc N 1 Power Supplies 48 V Node 16 RISC I O Planar Control Sense J7 J8 48 V dc Sense Superviso...

Page 247: ...N sphwlog pg on the control workstation Priority Condition Action 1 Main power switch LED is Off AND PDU rear panel LED is Off AND Frame Supervisor LEDs are Off Go to MAP 0390 Supervisor Power Proble...

Page 248: ...ies A B J407 48R 48v Supervisor Connector Card J7 to switch and all even nodes 01 A1 B1 C1 A2 L1 C1 R1 L2 L1 T1 L2 T2 L3 A2 A1 T3 C2 R2 B2 C2 02 03 Test Points LF Bleeder Resistor VS Diode ADC N 1 01...

Page 249: ...33 003 Problem with the power coming into the frame Put the RS 6000 SP main circuit breaker in the Off 0 position Is there a high voltage transformer connected to this frame Yes No 004 Have customer p...

Page 250: ...Tagout Procedure for PDU on page 1 2 or Lockout Bagout Procedure for PDU on page 1 3 to remove primary power to the frame and high voltage transformer if present Have customer check the ac voltage at...

Page 251: ...ll circuit breaker in the On position Does the customer circuit breaker stay in the On position Yes No 019 DANGER High voltage present Perform Lockout Tagout Procedure for PDU on page 1 2 or Lockout B...

Page 252: ...test points Use high voltage test probes Put output circuit breaker of the high voltage transformer in the On 1 position Using a multimeter check ac phase to phase voltage between test points O1 and...

Page 253: ...cord Is there a short condition on the ac line cord Yes No 030 Go to Step 033 031 Replace the ac line cord Go to Step 049 on page 1 236 to verify fix 032 Go to Step 033 033 Problem in Power Distribut...

Page 254: ...of main circuit breaker ac filter O2 to top center of main circuit breaker ac filter O3 to top right of main circuit breaker Is there continuity on all three phases Yes No 036 Check continuity across...

Page 255: ...r and supervisor power supplies for any loose con nections Does there appear to be any loose connections Yes No 044 Replace cable PDU CB L2 Is this your first time at this step Yes No 045 Replace supe...

Page 256: ...Power Distribution Unit rear panel LED and the frame supervisor LEDs for any LEDs that are lit Are the Power Distribution Unit rear panel LED or any frame supervisor LEDs lit Yes No 052 Problem not re...

Page 257: ...ive 48v Status AC Power Frame Connector Card Frame Supervisor Card Supervisor Customer 200 240 AC 3 phase input Figure 1 22 PDU Supervisor Power 12 V dc Diagram 001 Problem with supervisor power suppl...

Page 258: ...Does the cable appear okay and show continuity Yes No 006 Fix cable PDU FC P402 problem If necessary to replace this cable replace the entire PDU Go to Step 044 on page 1 242 to verify fix 007 Using...

Page 259: ...Does short disappear with both cables removed Yes No 015 Disconnect supervisor tailgate cables at connector card PDU FC J406 and PDU FC J408 then check for short between connector card PDU FC J402 pin...

Page 260: ...02 pin 1 and pin 2 each time Do you detect a short condition after reconnecting either cable Yes No 023 No short detected Call next level of support 024 Short isolated to a single supervisor harness D...

Page 261: ...nnector panel at rear of assembly Detach supervisor bus card from cable SB P102 then check for short between node supervisor card NS U102 or SP U102 pin 1 and pin 2 Has the short disappeared Yes No 03...

Page 262: ...041 Replace switch power card PS1 Go to Step 043 to verify fix 042 Problem resolved Go to Step 043 to verify fix 043 Component causing a short condition was replaced Replace processor node s and or sw...

Page 263: ...hen check for LEDs lit on the frame supervisor card Are any LEDs lit on frame supervisor card Yes No 045 Problem not resolved Go to Step 005 on page 1 238 046 Problem resolved Go to MAP 0570 End of Ca...

Page 264: ...t Bagout Procedure for PDU on page 1 3 to remove primary power to the frame Open Power Distribution Unit ac power section Check all cables from 24 V dc supply for a problem such as a poor cable connec...

Page 265: ...MAP 0570 End of Call on page 1 357 008 Supervisor power 24 V dc is now present in system Is the problem resolved Yes No 009 Problem not resolved Go to MAP 0370 Main Power on page 1 222 010 Problem re...

Page 266: ...NGER High voltage present Perform Lockout Tagout Procedure for PDU on page 1 2 or Lockout Bagout Procedure for PDU on page 1 3 to remove primary power to the frame Open Power Distribution Unit ac powe...

Page 267: ...h in On 1 position Check conditions in table from Step 001 on page 1 226 Do any of these conditions exist Yes No 003 No power problems Go to MAP 0570 End of Call on page 1 357 004 Go to Step 001 on pa...

Page 268: ...s No 010 Problem with the main power switch Open the main power switch assembly Disconnect the white connector of the main power switch from the main power switch cable PDU SW P1 With main power switc...

Page 269: ...J6 pin 4 Is there continuity in all cases Yes No 014 Replace cables as required Reconnect ac power and power on system Go to Step 002 on page 1 247 to verify fix 015 Call next level of support 016 Ma...

Page 270: ...ame Environment window Check for dc Power Loss red condition for all four power supplies If all four show dc Power Loss then open Global commands window and power off all processor nodes in this frame...

Page 271: ...on the front of the bulk dc power supplies Yellow LED ac In Indicates power supply is getting ac power and power switch is in On 1 position Green LED dc OK Indicates power supply is supplying 48 volt...

Page 272: ...re all yellow LEDs unlit Yes No 015 Bulk dc power supply failure s Replace bulk dc power supplies where yellow LEDs are not lit Put switch in the On 1 position Check LEDs on the front of this supply I...

Page 273: ...Replace contactor Reinstall covers over Power Distribution Unit ac section Reconnect ac power and power on system Check yellow LEDs on bulk dc power supplies Do yellow LEDs light on any bulk dc power...

Page 274: ...s short between the 48 V and 48 VRtn busbars Do the cables and connection appear okay Yes No 028 Fix the obvious problem Go to Step 038 on page 1 255 to verify fix 029 Bulk dc power supplies A and B s...

Page 275: ...Reconnect ac power and power on system Check the Frame Environment window for a dc Power Loss red condition Is the original supplies reporting a dc Power Loss red condition again Yes No 035 Problem in...

Page 276: ...on system and check the Frame Environment window for dc Power Loss red condition Is the problem resolved Yes No 039 Problem not resolved Go to Step 029 on page 1 254 to continue service 040 Problem r...

Page 277: ...ion Diagram Switch all processor node and switch assembly circuit breakers to Off 0 position Disconnect dc distribution cables PDU BH P1 PDU BH P2 PDU BH P3 PDU BH P4 and PDU BH P5 at Power Distributi...

Page 278: ...1 3 to remove primary power to the frame Replace power supply chassis Reconnect ac power and power on system Go to MAP 0570 End of Call on page 1 357 005 Replace any bulk dc power supplies which cause...

Page 279: ...g a short condition Is there still a short condition following replacement of this cable Yes No 011 Problem resolved Make sure all cables in Step 009 are reconnected Go to MAP 0570 End of Call on page...

Page 280: ...en LED 2 for an OFF condition indicating a short condition Are you able to power on all processor nodes and switch assemblies without indication of a short condition Yes No 018 Remove the processor no...

Page 281: ...ng a short condition Is there an indication of a short condition Yes No 021 Go to Step 017 on page 1 260 022 Go to Step 019 on page 1 260 to continue service 023 Either no short condition was detected...

Page 282: ...PDU dc section Unplug the 48 V dc sense cable PDU FC P407 at connector card Using a multimeter measure the dc voltage between PDU FC P407 pin 1 and pin 3 Replug the 48 V dc sense cable PDU FC P407 at...

Page 283: ...iority part 007 Step 007 continues Priority Condition Action 1 Frame supervisor card 1 Replace card can be done with system powered 2 Go to Step 005 on page 1 263 2 Connector card DANGER High voltage...

Page 284: ...or card may be reporting incorrect temperature Replace the frame supervisor card Go to Step 011 to verify fix 010 Remove blockage or source of heat from area Go to MAP 0570 End of Call on page 1 357 0...

Page 285: ...e RS 6000 SP Function in Chapter 2 of RS 6000 SP Maintenance Information Volume 1 001 Problem detected concerning power in system Attention Servicing a processor node with the High Performance Switch...

Page 286: ...s On BUT all frame supervisor LEDs are Off Go to Step 032 on page 1 272 3 Main power switch LED is Off Go to Step 035 on page 1 272 4 System monitor log reports dc Power Loss for any power module s Go...

Page 287: ...ol Sense Supervisor BUS A Even Nodes Node Power Supervisor HPS 2 1 3 5 7 9 11 13 15 4 6 8 10 12 14 12v LED CB 48 V Status 12 V Status J202 12 V RS232 Controls Status AC AC AC 12 V J1 J5 J7 J8 J6 48 V...

Page 288: ...rom the SEPBU so that they are out at least three inches 10 centimeters from the SEPBU power chassis Have customer put his wall circuit breaker in the On position Check the state of the customer circu...

Page 289: ...000 SP Maintenance Information Volume 3 Locations and Service Procedures to replace the SEPBU power module Return to Step 010 to install next power module and or verify the replacement 013 Possible pr...

Page 290: ...assemblies Yes No 020 Replace this supervisor harness Go to Step 029 on page 1 271 to verify fix 021 Short is inside a processor node or switch assembly Go to Step 022 022 Refer to Service Position Pr...

Page 291: ...mation Volume 3 Locations and Service Procedures to replace the appropriate part from the following list Processor node supervisor card HiPS 2 0 switch assembly HiPS 3 0 switch supervisor card HiPS LC...

Page 292: ...ance Information Volume 3 Locations and Service Procedures to replace the SEPBU power chassis Go to Step 077 on page 1 278 to verify fix 034 Problem resolved Go to Step 077 on page 1 278 to verify fix...

Page 293: ...4 Is there continuity in both cases Yes No 044 Problem with the main power switch Open the main power switch assembly Disconnect the white connector of the main power switch from the main power switc...

Page 294: ...uit breaker of one power module in the Off 0 position From the system monitor on the control workstation open the Frame Environment window Allow the Frame Environment window a few minutes to refresh a...

Page 295: ...inal power module Refer to Replacing the SEPBU Frame Supervisor Card in IBM RS 6000 SP Maintenance Infor mation Volume 3 Locations and Service Procedures Does the same power module give a dc Power Los...

Page 296: ...r the system monitor to update the Frame Environment window then check for dc Power Loss red conditions for all power modules Are all power modules still indicating a dc Power Loss red condition Yes N...

Page 297: ...d Service Procedures to replace the SEPBU power module Replace this power module Go to last bullet of Step 067 on page 1 276 073 Unseat this power module Reseat a different power module Put the circui...

Page 298: ...heck frame supervisor green LEDs and make sure both LEDs are constant On Are both conditions met Yes No 079 Problem s still exists Go to Step 001 on page 1 265 to continue service 080 Problem resolved...

Page 299: ...sor Bus in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures Does verification test pass Yes No 085 Go to MAP 0110 Supervisor Subsystem on page 1 10 to continue service...

Page 300: ...s No 004 Go to Step 007 005 Problem resolved Go to Step 023 on page 1 282 to verify fix 006 Go to Step 012 on page 1 281 007 Possible problem with the PCI card Put the main power switch in the Off 0 p...

Page 301: ...the system Go to Step 023 on page 1 282 to verify fix 010 Problem resolved Go to Step 023 on page 1 282 to verify fix 011 Problem resolved Go to Step 023 on page 1 282 to verify fix 012 Remote power...

Page 302: ...Service the unit using the appropriate documentation As a temporary work around you may enable frames by putting their local auxiliary switch in the local position 019 First failing unit is a RS 6000...

Page 303: ...aintenance go to MAP 0570 End of Call on page 1 357 otherwise continue this step Have customer remove the set of processor node s or switch assemblies from the active configuration Put circuit breaker...

Page 304: ...rocessor node s in the following table PDU BH P1 Frame slots 1 2 3 4 PDU BH P2 Frame slots 5 6 7 8 PDU BH P3 Frame slots 9 1 11 12 PDU BH P4 Frame slots 13 14 15 16 PDU BH P5 Frame slot 17 Replace the...

Page 305: ...to MAP 0100 Start of Service Call on page 1 4 to continue service 011 Processor nodes have IPLed okay Does this frame contain a switch assembly Yes No 012 Problem resolved Go to MAP 0570 End of Call...

Page 306: ...h HiPS feature or Scalable POWERparallel Switch SPS feature installed will impact the entire switch network unless the processor node has already been powered off or fenced and or the switch data cabl...

Page 307: ...and Cable Information for Multiple Bus Systems SA38 0516 or reference the related publications in the bibliography in RS 6000 SP Maintenance Information Volume 1 fi FDDI Fiber Optic Use the Diagnostic...

Page 308: ...Connects this processor node to the customer s LAN SP Attached Server S70 and S7A PCI Ethernet connection ent0 connects this processor node to the cus tomer s LAN 332 MHz SMP or POWER3 SMP nodes Integ...

Page 309: ...t If necessary you may hand trace the Ethernet cabling in the system where possible to determine the topology Keep in mind that a cus tomer s configuration may consist of fewer processor nodes per LAN...

Page 310: ...not locate failing part Check system monitor on control workstation for continuing communication problem Is there still a communication problem Yes No 006 Problem resolved Go to MAP 0570 End of Call...

Page 311: ...3 Planar power problem 1 From the control workstation reset this processor node 2 Check 3 digit LEDs for any non blank condition during IPL 3 If the 3 digit LEDs are always blank go to Step 006 on pa...

Page 312: ...reset this processor node 2 Check 3 digit LEDs for any non blank condition during IPL 3 If the 3 digit LEDs are always blank go to Step 006 on page 1 98 to fix the planar power problem Oth erwise con...

Page 313: ...Off 0 position then remove processor node from frame Remove processor node cover Return to appropriate table in Step 012 on page 1 291 or Step 014 on page 1 292 to continue service 018 Communication h...

Page 314: ...Locations and Service Procedures for these procedures 3 Switch clock cables are fragile Do not allow cables to bend too sharply or the cable may be perma nently damaged Refer to Figure 1 29 on page 1...

Page 315: ...data cables External clock inputs are selected from J3 J4 or J5 FRUs include Fans circuit breaker LED card switch supervisor card switch power card s inner chassis cable front chassis cable complete a...

Page 316: ...ch Power Card J902 J901 6 7 J903 Supervisor Bus Card J2 12 V dc Supervisor Comm Port 48 V dc Switch Supervisor Card Green LEDs Yellow J5 J3 J1 J2 GORE CLK VCLK J4 Switch Clock Card Switch Planar J4 J3...

Page 317: ...pervisor Bus Card J1 12 V dc 48 V dc Switch Supervisor Card Green LEDs Yellow Switch Planar J2 J33 J31 J4 J32 J3 J1 J34 On External Bulkhead On Planar 5 V dc 5 V dc 5 V dc 5 V dc Figure 1 30 Scalable...

Page 318: ...etwork can not be re initialized until the switch assembly is physically isolated from the rest of the HiPS network Attention It is possible that the customer has modified switch cabling from standard...

Page 319: ...at zero Go to MAP 0530 Switch Assembly Power on page 1 313 3 Switch function problem Error s in var adm SPlogs css out top see note Problem s with switch_responds Problem s returned from errpt a N Wor...

Page 320: ...ap Plugs Notes 1 SPS advanced diagnostics use the 10 meter data cable provided by the SPS feature bill of material 2 Advanced cable wrap tests will not run successfully for 15 and 20 meter SPS data ca...

Page 321: ...en no imme diate service is required and can be deferred until a later date If problems are being experienced service can be performed now by returning to Step 001 and treating this message as a Shutd...

Page 322: ...P102 pin A6 12 V S00 PC P903 pin A3 S00 SP P102 pin A5 5 V S00 PC P903 pin A1 S00 SP P102 pin A7 Leave cable disconnected at switch power card Does the switch supervisor control cable appear to be oka...

Page 323: ...s No 011 Problem is in switch planar If this is an HiPS 2 0 or HiPS 3 0 replace switch assembly If this is an HiPS LC8 replace switch planar Go to Step 030 on page 1 307 to verify fix 012 Problem reso...

Page 324: ...p 030 on page 1 307 to verify fix 019 One or more of the following conditions exist Warning Fan fanwarning1 fanwarning2 fanwarning5 Shutdown Fan fanfail1 fanfail2 fanfail5 Have customer remove the swi...

Page 325: ...SPS or SPS 8 replace the card otherwise replace the HiPS 2 0 assembly 2 Continue at Step 020 on page 1 306 4 Switch supervisor control cable 1 If this is an HiPS or HiPS LC8 replace the cable Refer to...

Page 326: ...r J1 and supervisor J2 cables at the rear of the switch assembly Put circuit breaker at the front of switch assembly in the On 1 position Check the Environmental yellow LED for an ON or FLASHING condi...

Page 327: ...rvice Procedures Does card pass self test Yes No 025 Go to Step 028 026 Switch supervisor card is okay Check Environmental yellow LED for ON or FLASHING condition Is Environmental yellow LED ON or FLA...

Page 328: ...from the inner chassis Put the switch into service position Refer to Service Position Procedures in IBM RS 6000 SP Mainte nance Information Volume 3 Locations and Service Procedures Does condition sta...

Page 329: ...first time through this step remove power supply card PS2 and go to Step 037 on page 1 308 to repeat measurement Otherwise replace switch assembly Refer to Removing the Switch Assembly in IBM RS 6000...

Page 330: ...ervice Proce dures Reinstall the SPS front panel assembly being careful to align the guide pins on the P1 to the inner chassis cup guide Replug the power cable J1 and supervisor cable J2 to the rear o...

Page 331: ...on Does the failure condition still exist Yes No 054 Put the circuit breaker in the Off 0 position Remove power cable J1 and supervisor cable J2 from the rear of the switch assembly Then remove the fr...

Page 332: ...hen remove the front panel assembly Replug power supply PS2 and replace the switch supervisor card Refer to Removing the Switch Supervisor Card HiPS 3 0 HiPS LC8 SPS SPS 8 in IBM RS 6000 SP Maintenanc...

Page 333: ...LED Off Yes No 002 Switch assembly getting 48 V dc power Is Power green LED flashing Yes No 003 Power green LED is On indicating no problem with power supply Verify that you have the proper switch ass...

Page 334: ...Volume 3 Locations and Service Procedures Reconnect switch assembly cables Go to Step 007 on page 1 313 011 Replace the switch from service position Refer to Service Position Procedures in IBM RS 6000...

Page 335: ...12 PDU BH P4 Frame slots 13 14 15 16 PDU BH P5 Frame slot 17 Is the Power green LED on other processor node s or switch assemblies On or Flashing Yes No 015 Go to MAP 0370 Main Power on page 1 222 016...

Page 336: ...circuit breaker Is there continuity Yes No 025 Replace switch assembly circuit breaker Replug S00 PC P901 Reinstall switch assembly in frame Go to Step 007 on page 1 313 to verify replacement 026 Pro...

Page 337: ...eaker at front of switch assembly in the On 1 position Check Power green LED for an OFF condition Is the Power green LED OFF Yes No 031 Go to Step 033 032 Put switch assembly into the service position...

Page 338: ...ch tailgate and the con nectors in the following table On the fan assembly with CB in the On 1 position check for front chassis cable continuity between the connectors in the following table Is there...

Page 339: ...roce dures Go to Step 007 on page 1 313 to verify replacement 042 If this is the first time through this step replace the supervisor card Refer to Removing the Switch Supervisor Card HiPS 3 0 HiPS LC8...

Page 340: ...Plug Figure 1 35 Switch Connectivity Diagram Label A in diagram Switch clocks may be distributed through discrete clock cables or within the switch data cables Label B in diagram Clock interposer P N...

Page 341: ...n diagram Primary node communicates with switch assembly in primary frame Label 2 in diagram Connections to secondary nodes in primary frame are checked Label 3 in diagram Any wrap plugs terminators i...

Page 342: ...ot access Customer may enter root password when required If either of the following two conditions is true Estart has not been run by the customer The CE has already replaced components that might aff...

Page 343: ...ems found Have you replaced component s or fixed problem s Yes No 003 Did Estart command start okay Yes No 004 Consult the Diagnosing High Performance Switch Problems section of IBM RS 6000 SP Diagnos...

Page 344: ...a result the problem is probably resolved repeat Step 001 on page 1 322 for next problem or go to Step 101 on page 1 350 to verify fix 6 Go to Step 008 on page 1 329 2 HiPS Faulty link connected to in...

Page 345: ...ection against the actual hardware cabling 2 If the cabling does not match correct the cabling problem then go to step 5 3 Check the processor node s hostname and switch node number against the config...

Page 346: ...ge 1 350 to verify fix 18 HiPS Link between devices is replaced by wrap plug or cable Description Initialization detected a wrap plug or cable rather than the expected cabling Action Same as for Error...

Page 347: ...ption Switch adapter has not been initialized Processor node may not recognize adapter due to hardware failure or bad software configuration Action 1 If there are any other errors in the var adm SPlog...

Page 348: ...ng only and can be ignored Action 1 Check this connection against the actual hardware cabling 2 If the cabling does not match correct the cabling problem then go to step 5 below 3 Check the processor...

Page 349: ...problem or go to Step 101 on page 1 350 to verify fix 9 SPS Device status Destination not reachable Link status Link has been removed from network not con nected Description Possible hardware problem...

Page 350: ...on If this is a dependent node connection to router go to MAP 0550 Dependent Node on page 1 351 3 Wrapped ports frame to frame switch to switch Switch connections Go to Step 042 on page 1 340 to check...

Page 351: ...age 1 349 to service or replace the switch assembly 013 Go to Step 101 on page 1 350 014 Connect a switch data cable from this jack to the proper processor node Go to Step 101 on page 1 350 015 Check...

Page 352: ...plug to perform the card wrap and cable wrap tests When testing the SPS adapter cable p n 46H9699 will also be required to perform card diagnostics This cable is part of the SPS feature bill of mater...

Page 353: ...O test failed 762 900 through 762 999 D SPS adapter I O planar data cable DMA engine test failed 762 Ax3 See note D SPS adapter terminator Card wrap test failed 762 Ax4 See note D SPS data cable wrap...

Page 354: ...MX adapter Bad adapter except SRN 763 282 763 xx3 D SPS MX Adapter Bad adapter 763 xx4 D SPS MX Adapter Switch Cable Bad switch cable 764 1xx See note D SP System Attachment Adapter software system or...

Page 355: ...Bad adapter 764 xx4 D SP System Attachment Adapter Switch Cable Bad switch cable 80x 762 D Software SPS Adapter Error occurred while running the diagnostics 80x 83C D Software HiPS Adapter 2 Error occ...

Page 356: ...Device driver open error 980 102 D HiPS Adapter 1 Software System or I O planar Device configuration error 980 201 through 980 203 D HiPS Adapter 1 System or I O planar POS read write test failed 980...

Page 357: ...st for this SRN 3 Otherwise power off this processor node and con tinue service at Step 034 on page 1 339 2 External clock 1 Check to see if a switch clock cable is connected at switch adapter of this...

Page 358: ...9 7 Wrap plug or Terminator Check the wrap plug or terminator again to make sure that it is not at fault 8 All components replaced Call next level of support 025 Test indicates a clock problem Check t...

Page 359: ...Service Procedures Go to Step 101 on page 1 350 to verify fix 033 Go to Step 029 on page 1 338 034 From the node front panel on the control workstation put the mode in the SERVICE position Power on t...

Page 360: ...frame switch systems Note Be aware that in large systems connections for switch assemblies not in the multi switch frame are usually scattered throughout the out top file Is this a multi frame system...

Page 361: ...embly which is still reporting a problem Go to Step 093 on page 1 349 to service or replace the switch assembly 048 Possible problem caused by clocking or grounding between frames Continue with Step 0...

Page 362: ...n of the primary node enter Estart to reinitialize the switch Check var adm SPlogs css out top file to see if problems are still reported on all data cables connected to this switch assembly Have some...

Page 363: ...t this cable at the tailgate of the processor node frame then connect the end of the processor node data cable to the jack Run advanced diagnostics on css0 on the test processor node Do not perform ca...

Page 364: ...IBM RS 6000 SP Maintenance Information Volume 1 Installation and Relocation for a view of a ground strap connection Do all ground strap s connecting the frames make adequate contact at both ends Yes...

Page 365: ...dication of a clock problem Yes No 071 Diagnostics did not fail with indication of a clock problem Is this the first time at this step Yes No 072 Go to Step 101 on page 1 350 to verify the fix 073 Dis...

Page 366: ...lem Yes No 075 Go to Step 093 on page 1 349 to replace the problem switch assembly 076 Clock problem resolved Go to Step 101 on page 1 350 to verify fix 077 Problem is not in the switch assembly Repla...

Page 367: ...ble connection or swapped cable s Referencing Appendix A in RS 6000 SP Maintenance Information Volume 1 determine other end of switch data cable then check switch data cable and data cable interposer...

Page 368: ...ntenance Information Volume 3 Locations and Service Procedures as required Look for an SRN indicating a clock problem for example External clock is one of the failing components Do the css0 diagnostic...

Page 369: ...he switch planar Reinstall all cables inside the switch assembly then reinstall the top cover Reinstall the switch assembly Go to Step 100 on page 1 350 097 Problem may be tailgate cable inside switch...

Page 370: ...ock at switch assembly connected to processor nodes or so on you will need to include them in the following command From the control workstation enter dsh w nodelist usr lpp ssp css css_restart_node O...

Page 371: ...ring to the dependent node_number you can identify the location of the SP Switch Router Adapter as follows reliable_hostname indicates hostname of the SP Switch Router extension_node_identifier indica...

Page 372: ...esolved Go to Step 002 on page 1 351 010 Replace the SP switch cable between this SP Switch Router Adapter and the SP switch Issue an Eunfence command for this dependent node to attempt to bring this...

Page 373: ...Procedure Step 3 for additional information on performing diagnostics Figure 1 37 BMCA Cabling to Single Processor Node 001 Problem detected with the BMCA feature Are multiple processor nodes failing...

Page 374: ...pened Ensure that customer has no application on the failing channel and the parallel channel on the mainframe is varied off line Trace and note the cabling connections of the BMCA cabling from the ca...

Page 375: ...N 68F7211 Go to Step 012 012 Test all RS 6000 SP BMCA cables and terminator on this channel interface Run advanced diagnostics on the suspect BMCA cat0 including the cable wrap test Did the diagnosti...

Page 376: ...defective terminator or wrap plugs can cause failure Refer to Figure 1 38 on page 1 355 while isolating fault Failing component isolated successfully Yes No 017 Call next level of support 018 Replace...

Page 377: ...ion taken such as a cable card reseated and the fix verified Yes No 003 No FRU was replaced and verified Was service action an EC or regular upgrade Yes No 004 Record action taken in account log Open...

Page 378: ...eck Preventive Maintenance in IBM RS 6000 SP Maintenance Information Volume 3 Locations and Service Procedures for preventive maintenance procedures 008 Further service action is required Go to Step 0...

Page 379: ...r 001 If you came to this book looking for a 1520 Main Power MAP go to one of the following MAPs Single node problem MAP 0130 Processor Node on page 1 30 Multiple node problem MAP 0370 Main Power on p...

Page 380: ...AP go to one of the following MAPs Thin wide nodes MAP 0130 Processor Node on page 1 30 High nodes MAP 0280 604 or 604e High Node Minimum Configuration on page 1 145 332 MHz SMP node MAP 0320 332 MHz...

Page 381: ...net LAN MAP flowcharted 1 288 F female wrap plug 1 299 frame environment MAP flowcharted 1 262 front chassis cable SPS 1 305 H high performance switch assembly high level diagram 1 295 high processor...

Page 382: ...ower problem MAP flowcharted 1 229 supervisor subsystem diagram PDU 1 11 1 12 supervisor subsystem diagram SEPBU 1 13 supervisor subsystem MAP flowcharted 1 10 switch assembly environment MAP flowchar...

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Page 388: ...IBM Part Number 47L3064 Printed in the United States of America on recycled paper containing 10 recovered post consumer fiber 47L3 64 GA22 7376 1...