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Exos E 4U106 Hardware Installation 
and Maintenance Guide

Firmware Version: GEM R2018.10.0

P/N 83-00007495-02-01
Revision A
May 2021

Abstract

This document describes initial hardware setup for Seagate Exos E 4U106 enclosures. It also describes removal and 
installation of customer-replaceable units for these enclosures. The document is intended for use by storage system 
administrators familiar with servers and computer networks, network administration, storage system administration 
and configurations, storage area network management, and relevant protocols.

Summary of Contents for Exos E 4U106

Page 1: ...are setup for Seagate Exos E 4U106 enclosures It also describes removal and installation of customer replaceable units for these enclosures The document is intended for use by storage system administr...

Page 2: ...tual data rates may vary depending on operating environment and other factors The export or re export of Seagate hardware or software is regulated by the U S Department of Commerce Bureau of Industry...

Page 3: ...26 Power supply unit 26 System fan module 28 System airflow 29 IOM 29 12Gb s IOM LEDs 30 Overview of top panel LEDs 31 Drive carrier module 31 Controller channel fan module 34 HS Expander module 35 E...

Page 4: ...wer cords 72 Computer does not recognize the enclosure system 72 LEDs 72 Temperature sensors 74 Troubleshooting 74 PSU and system fan faults 74 Thermal monitoring and control 75 Thermal alarm 75 Fault...

Page 5: ...fying component failure 90 Stopping I O 90 Removing an IOM 90 Installing an IOM 92 Verifying component operation 92 A Technical specifications 93 Enclosure dimensions 93 Enclosure weights 93 Environme...

Page 6: ...1 26 Fixing front left lift handle to the enclosure slots 41 27 Separated left rail assembly inner sides facing 43 28 Extension of left inner rail beyond mid rail 44 29 Location of inner rail safety l...

Page 7: ...age system 1 of 2 68 61 Cabling the 4U106 enclosure to the storage system 2 of 2 69 62 LEDs LFF SFF Drive carrier LEDs 73 63 Removing a PSU 1 of 2 80 64 Removing a PSU 2 of 2 81 65 Removing a system f...

Page 8: ...omponents for 4U106 drive chassis 77 7 FRU Time limits 79 8 4U enclosure dimensions 93 9 4U106 enclosure weights 93 10 Exos E 4U106 total weights 93 11 Ambient temperature and humidity 94 12 Power sup...

Page 9: ...or it can be cabled to an RBOD RAID Bunch of Disks as an Expanded Bunch Of Disks EBOD for adding storage Intended audience This guide is intended for system administrators and storage administrators...

Page 10: ...correctly could cause personal injury or catastrophic loss of data or equipment CAUTION Indicates that failure to follow directions could result in damage to equipment or data IMPORTANT Provides clari...

Page 11: ...nd optional lift handles are designed to support the weight of the enclosure as shipped Neither safely supports a fully populated enclosure See also Unpacking and preparing the enclosure page 38 CAUTI...

Page 12: ...ON Do not remove covers from the PSU or any other FRU module There is a danger of electric shock inside Return the plug in module to your supplier for repair IMPORTANT The RJ 45 socket on IOMs Input O...

Page 13: ...tribution system must provide a reliable earth connection for each enclosure in the rack Each power supply line cord will have an earth leakage current of 1mA The design of the electrical distribution...

Page 14: ...lly IOM term denotes either a controller module RAID canister or an expansion canister Throughout this guide and the management interface documents used with this guide IOM denotes an expansion canist...

Page 15: ...enclosure chassis equipped with several PCBAs including a midplane sideplane and baseplane PCBAs and a cluster of enclosure status LED indicators located at the lower left area of the enclosure front...

Page 16: ...also does not show the rails holding the enclosure when mounted in a rack because the rails are behind the pull handles Figure 2 4U106 enclosure system front panel components The enclosure front panel...

Page 17: ...nceptual diagram showing the numbering for each module bay that can be accessed from the rear panel Rear panel components Figure 4 4U106 enclosure rear panel module slot index diagram 3 1 6 5 2 4 No D...

Page 18: ...dule Figure 5 shows the IOM used in either IOM slot located on the enclosure rear panel The module is shown resting vertically in the install position Figure 5 IOM detail Serial Port Latch lock Ethern...

Page 19: ...ure rear panel Figure 6 Power supply unit PSU module detail System fan module Figure 7 shows a system fan used in a 4U106 enclosure The example shows a system fan module oriented for use in any of the...

Page 20: ...e It is not recommended to remove entire main bay cover At a time you can access either front half or rear half of the main bay B The removable auxiliary bay cover that provides access to 10 drive slo...

Page 21: ...alf of the main bay cover While facing the front of the enclosure depress the front main bay cover latch while gently lifting the rightmost front corner of the cover Rest the front half of the cover o...

Page 22: ...front half Figure 11 Rest back half of main bay cover on the front half Removing auxiliary bay cover Auxiliary bay cover is a detachable lid unlike main bay cover 1 Press the auxiliary bay cover latc...

Page 23: ...its slot 3 Gently but firmly press the cover down to ensure that the access panel tab locks into place Populating drive slots The Exos E 4U106 does not ship with pre installed drive modules When inst...

Page 24: ...or a 4U enclosure Optional lift handles on the chassis side walls facilitate hoisting and installation See also Figure 25 page 41 The cable management arm CMA routes cables from the controller channel...

Page 25: ...blank must be installed in the adjacent slot to ensure sufficient air flow through the enclosure during operation Overview of front panel LEDs The enclosure front panel displays several LEDs The front...

Page 26: ...nated in the Main Bay then contact Seagate support LED 5 Fault Application This LED illuminates amber when experiencing a system fault that is initiated by the Application Host This LED is normally of...

Page 27: ...is not affected while the faulty PSU is being replaced See FRU Replacement Time Limit Table 7 for maximum allowable time to replace FRUs See section Replacing a PSU module page 79 for replacement ins...

Page 28: ...internal rotors fails then a fault occurs indicating module failure A dual rotor failure is reported as a dual fault Refer to FRU Replacement Time Limit Table 7 for maximum allowable time to replace F...

Page 29: ...st free to ensure adequate airflow IOM This section describes the IOM used in Exos E 4U106 12Gb s storage enclosures Figure 17 IOM Each IOM maintains Vital Product Data VPD in EEPROM device and are in...

Page 30: ...etected Amber A fault has been detected on the port 2 12Gb SAS Link Status and Activity1 Green OFF No link detected Green The port is connected and the link is up Blinking green The link has I O activ...

Page 31: ...ts that are accessible from the top of the enclosure While facing the front of the enclosure properly orient the drive module for insertion into the slot Hold the module so that the front is facing yo...

Page 32: ...ehavior see LEDs page 72 NOTE Pictorial views of the supported DDIC with SFF drive and adapter are provided below Modules are shown oriented for insertion into drive slots located on the enclosure top...

Page 33: ...drive LED behavior see LEDs page 72 LED Description Color State Definition 1 Not used N A OFF Not applicable 2 Fault or Identify Amber OFF The Disc Drive in Carrier is operating normally Solid Amber...

Page 34: ...the IOMs If you need to replace this module see FRU Replacement Time Limit Table 7 for more details Figure 21 LEDs Controller channel fan module top panel Color State Status None OFF No AC power is pr...

Page 35: ...module s specification or the SES Interface specification for definitions of the module s functions and its SES control The storage system also provides a command line interface CLI Command line inte...

Page 36: ...ther components WARNING You must use a mechanical lift for mounting the storage enclosure into the rack cabinet Do not use a vacuum lift because it might damage the storage enclosure Table 3 Installat...

Page 37: ...2 Make sure you can easily reach the slots in the enclosure safely while maintaining your balance Disk drive installation 1 Only after you securely mount the storage enclosure in the rack can you inst...

Page 38: ...ion to intra building or non exposed wiring or cabling only Storage enclosures are suitable for installation in locations where the National Electrical Code NEC applies but are not suitable for Outsid...

Page 39: ...h rear corner to grip both rear belt straps by the loops on that side c Simultaneously lift the storage enclosure using appropriate safe lifting technique while moving it to a staticprotected location...

Page 40: ...40 Installation Push pull pin Locking edge 2 Left lift handle Right lift handle Locking edge 4 Push pull pin Slots for left lift handles locking edges Holes for push pull pin insertion...

Page 41: ...protected location then the mechanical lift g Repeat the same procedure for the positions symmetrically placed on the right sidewall for the right lift handles NOTE Slots of left and right lift handle...

Page 42: ...ply with all electrical requirements Verify the system complies with all temperature and exhaust requirements To adhere to safety precautions when mounting a storage enclosure into a rack cabinet 1 Re...

Page 43: ...ft rail assembly inner sides facing 2 Examine the rails to distinguish each component particularly the ball bearing retainer and mid rail WARNING Carefully inspect the rails Do not use damaged or warp...

Page 44: ...then press the safety lock to disengage the inner rail Figure 29 Location of inner rail safety lock 6 Slide out the left inner rail until it separates from the outer and mid rail sub assembly setting...

Page 45: ...fully retracted onto the outer rail 9 Set aside the left outer and mid rail subassembly near the left inner rail 10 Separate the right rail using the same process keeping the separated right rails in...

Page 46: ...osts Figure 31 Distance measurement of rack inside post to post depth 2 Select the left outer rail assembly rotating it so you face the mid rail and the outer rail is facing away from you 3 Rotate the...

Page 47: ...ween rack posts Figure 33 Measurement of rail from rear to front mount bracket 6 If the distance does not match relocate the rear mount bracket to within an inch of the post to post depth distance you...

Page 48: ...sing four 4 M4 panhead screws tightening with a 2 Phillips head screwdriver to a torque of 18 lbf in 2 0 N m Figure 35 Alignment of CMA B bracket to rear outer rail bracket holes alignment and attachm...

Page 49: ...rail flange to the rack column with two 2 Truss head screws then tighten each screw with a 2 Phillips head screwdriver to a torque of 35 lbf in 3 95 N m Figure 36 Attach the rear of the outer right r...

Page 50: ...s onto the front rack post e Optional To release the front mount bracket press the keyed latch outward and realign the rail f Insert a Truss head screw in the hole just below the bottom rail pin seate...

Page 51: ...rails to the storage enclosure You must correctly attach the inner rails to the storage enclosure to bear the weight of its contents Required equipment Qty Identification Inner rails properly oriente...

Page 52: ...Left and right inner rail edge details 2 Orient the left inner rail so that the flat face at the front of the rail is to your right the top notch is to your left and the smooth inner edge away from y...

Page 53: ...ss for the right inner rail using the proper orientation 7 Locate the CMA A bracket in the CMA shipping box then orient it so you can see the part number etched on it 8 Facing the rear of the storage...

Page 54: ...losure ears to push the enclosure back into the rack Do not bend the middle rail in order to force alignment with the inner rail Alignment should be adequately established with the lift WARNING Seriou...

Page 55: ...allocated 4U location d Moving only the storage enclosure position it so the attached inner rails align with the mid rails in the rack Figure 43 Align inner rails with mid and outer rails detail 4 Com...

Page 56: ...ring at the very front of the mid rail d Continuously maintain pressure on the ball bearing retainer as you slide the mid rail onto the inner rail beginning with the top of the inner rail then the bot...

Page 57: ...e storage enclosure slides smoothly on its rails out to service position and returns smoothly to the storage position b Feel for the smooth even function of the ball bearings in the ball bearing retai...

Page 58: ...in your right hand along the chassis guide bracket until it clips to the CMA A bracket you previously attached to the storage enclosure chassis Figure 46 Attachment of the CMA bracket assembly to the...

Page 59: ...he CMA bracket installation Figure 48 Proper installation of the CMA bracket assembly a Verify the outer blue spring of the CMA bracket assembly securely clips to the CMA B bracket on the outer rail a...

Page 60: ...ose then remove them Installing disk drives in the storage enclosure Seagate provides carriers to protect each disk drive and connect each disk drive to the baseplane after vertical insertion into a s...

Page 61: ...ont half d Continue insertion of the next 48 disk drives to complete population of the main bay again filling the slots from top to bottom progressing from front to back e Close the rear half of the m...

Page 62: ...ture clip and then raise the clip on its hinge Figure 50 Location of cable capture clip release screw 4 Route the outer power cord just inside the outer fan and up to the clip allowing a minimum of sl...

Page 63: ...from the controller module Routing of data and power cables for the 4U106 is integral to successful rail kit installation and rackmount installation of the enclosure Cables must be correctly installed...

Page 64: ...suring it seats in the C flange in between the two cable capture arms 7 Connect data cables 6 10 into their respective IOM slots 8 Route data cables 6 10 onto the CMA shelf and through the CMA bracket...

Page 65: ...connection 3 Open the CMA bracket assembly clips each embossed with King Slide on the top 4 Holding the CMA bracket assembly away from the chassis route the data cables from the CMA cable capture arm...

Page 66: ...tacle of the power cord The C20 plug on the power cord connects to the C19 receptacle in the PDU CAUTION Power connection concerns Never connect the power cord to the PSU before installing the PSU in...

Page 67: ...res you may need to purchase additional cables depending upon number of enclosures and cabling method used You may need to order additional or longer cables when cabling a fault tolerant configuration...

Page 68: ...m on the right shows the star cabling method An advantage of the star configuration is that each expansion enclosure is only one additional expander or hop away from the initiator This reduces delays...

Page 69: ...rical earth connection Have a qualified electrical engineer confirm the earth connection meets the product specifications CAUTION If you install multiple storage enclosures in a rack cabinet the impor...

Page 70: ...m tools combining both the enclosure firmware content itself and the logic required to detect and update any attached enclosures These utilities support the ability to discover available Seagate enclo...

Page 71: ...llowing order Expansion enclosures first This ensures that the Discs in the drive enclosure have enough time to completely spin up before being scanned by the controller modules within the controller...

Page 72: ...nitial start up problems Faulty power cords Check that you have correctly cabled the system Contact your supplier for replacements if Power cables are missing or damaged Plugs are incorrect Power cabl...

Page 73: ...lt condition is detected Reseat the IOM in its slot Check for logs pertaining to the failure If the above actions do not resolve the fault contact your supplier for assistance LED Description Definiti...

Page 74: ...SU and system fan faults 1 See Figure 14 page 25 for visual reference of front panel LEDs 2 See Figure 15 page 27 for visual reference of PSU LEDs See Figure 16 page 28 visual reference of system fan...

Page 75: ...in the local environment and may be perfectly normal NOTE This threshold changes according to the number of drives and power supplies fitted 1 Check the installation for any airflow restrictions at e...

Page 76: ...Occasionally it might become necessary to isolate a fault This is particularly true with data paths due to the number of components comprising the data path For example if a host side data error occu...

Page 77: ...chassis page 24 for a description of the chassis FRU 3 See Installing the rackmount railkit page 42 for descriptions of the rail kit and CMA TIP Enclosure panel access diagrams for locating FRUs Front...

Page 78: ...static sensitive parts in their containers until they arrive at static protected workstations Place parts in a static protected area before removing them from their containers Avoid touching pins lead...

Page 79: ...mation on time limits for each FRU Table 7 FRU Time limits Replacing a PSU module This section provides procedures for replacing a failed power supply unit PSU module Illustrations in PSU replacement...

Page 80: ...components necessary TIP This step is not required for hot swapping However it is required when replacing both PSUs at once 3 Disconnect the power cable from the PSU power connector to power off the f...

Page 81: ...r damage especially to all module connectors 2 With the PSU handle in the open position slide the module into the enclosure taking care to support the base and weight of the module with both hands 3 L...

Page 82: ...is required if replacing multiple system fan modules simultaneously CAUTION Do not remove the cover from the system fan module due to danger from electric shock inside Return the module to your suppli...

Page 83: ...fans are spinning with no fail states Verify that the front panel LED states show no amber module faults 5 If replacing multiple fans repeat step 1 through step 4 See FRU Replacement Time Limit Table...

Page 84: ...ocated on the top of the fan and pull upwards to remove the fan from its slot as shown in Figure 67 Figure 67 Removing a controller fan Installing a controller fan module Refer to Figure 67 page 84 wh...

Page 85: ...See CAUTION bullets regarding electrostatic discharge and anti static protection on page 78 TIP The illustrations show HS Expander module replacement as you face the enclosure front and view the top p...

Page 86: ...connector 4 Verify that the HS Expander Status LED is off Verify that the front panel LED states show no amber module faults 5 If replacing multiple HS Expanders repeat step 1 through step 4 6 Reatta...

Page 87: ...AUTION bullets regarding electrostatic discharge and anti static protection on page 78 TIP The illustrations show DISC module replacement within the drive slots as you view the enclosure top panel See...

Page 88: ...moving an LFF DISC drive module 2 of 2 3 Lift and remove the module fully from the drive slot Installing an LFF drive carrier module 1 Release the drive carrier handle by pressing the latch in the car...

Page 89: ...t An IOM blank must be installed in the adjacent slot No 1 as shown in Figure 4 page 17 This configuration is required to ensure sufficient air flow through the enclosure during operation The IOM repl...

Page 90: ...dual controller environment if replacing both controller modules you must adhere to the instructions provided in Before you begin page 89 and perform an orderly shutdown of the enclosure Do not remov...

Page 91: ...5 Grip the latch handle and ease the IOM forward from the slot as shown within Figure 75 page 91 6 Place both hands on the IOM body and pull it straight out of the enclosure such that the IOM remains...

Page 92: ...into the enclosure as far as it will go An IOM that is only partially seated will prevent optimal performance of the enclosure Verify that the module is fully seated before continuing 4 Set the modul...

Page 93: ...Table 8 4U enclosure dimensions Specification Metric units Imperial units Height including top cover 176 4 mm 6 94 in Width excluding ears and rails 441 mm 17 36 in Depth including handles excluding...

Page 94: ...ve direction and 2 shocks in positive Z axis OR ISTA 3H mounted in a rack horizontal impact on all sides 4 in drop tests Vibration operating 0 18Grms 5 Hz to 500 Hz 30 min per axis Vibration non opera...

Page 95: ...nit specifications 95 Hot pluggable Yes Switches and LEDs AC power cable connect and one bitonal status indicator LED Table 12 Power supply unit module specifications continued Specification Measureme...

Page 96: ...rrect the interference at his or her expense Properly shielded and grounded cables and connectors must be used in order to meet FCC emission limits The supplier is not responsible for any radio or tel...

Page 97: ...Subpart B Class A USA ICES NMB 003 Class A Canada EN 55032 2012 Class A EU AS NZS CISPR 22 CISPR 32 Class A Australia New Zealand VCCI Class A Japan KN 22 KN 32 Class A S Korea CNS 13438 Class A Taiw...

Page 98: ...t should be recycled in accordance with national regulations applicable to the handling of hazardous toxic electrical and electronic waste materials Contact your supplier for a copy of the Recycling P...

Page 99: ...tted Container RSC box option is shown directly above Figure 79 page 101 shows an illustrated parts catalog representation of the RSC enclosure master container This box uses a split flap style as opp...

Page 100: ...top 1 2 Insert strength L cardboard 2 9 Insert CMA holder cardboard 2 3 Edge protector height each corner 4 10 Foam inner drawer front top 1 4 Insert wall cardboard 1 11 Plastic bag with enclosure bel...

Page 101: ...d 2 7 Plastic bag with enclosure belt straps 1 2 Cover cardboard with AW 1 8 Foam inner drawer front bottom 1 3 Edge protector height each corner 4 9 Foam inner drawer rear bottom 1 4 Insert CMA holde...

Page 102: ...system airflow 29 F fault isolation methodology 75 H hosts stopping I O 90 I installation checklist 36 L LEDs front panel enclosure LEDs 25 rear panel IOM 30 PSU 27 system fan 28 top panel disk drive...

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