Oracle SG-SAS6-INT-Z, Installation Manual

Page 1: ...Sun Storage 6 Gb SAS PCIe HBA Internal Installation Guide For HBA Models SGX SAS6 INT Z and SG SAS6 INT Z Part No E22494 08 May 2017 ...

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Page 3: ...for general use in a variety of information management applications It is not developed or intended for use in any inherently dangerous applications including applications that may create a risk of personal injury If you use this software or hardware in dangerous applications then you shall be responsible to take all appropriate fail safe backup redundancy and other measures to ensure its safe use...

Page 4: ...n des informations Ce logiciel ou matériel n est pas conçu ni n est destiné à être utilisé dans des applications à risque notamment dans des applications pouvant causer un risque de dommages corporels Si vous utilisez ce logiciel ou ce matériel dans le cadre d applications dangereuses il est de votre responsabilité de prendre toutes les mesures de secours de sauvegarde de redondance et autres mesu...

Page 5: ...5 Software Support 15 Boot Support 15 2 Hardware Installation and Removal 17 Observing ESD and Handling Precautions 17 Installing the HBA 18 To Prepare for Hardware Installation 18 To Install the HBA 19 To Connect the HBA to Internal Storage Devices 20 To Complete the Installation 20 Next Steps 22 Removing the HBA 23 To Remove the HBA 23 3 Creating a Bootable Drive in a Preboot Environment 25 Over...

Page 6: ...52 To Install the Oracle Solaris OS 52 Next Steps 52 4 HBA Software Installation 53 Installing the Oracle Solaris Driver and Firmware 53 Firmware Updates 54 Installing the Linux Driver and Firmware 54 To Install the Linux Driver 54 Firmware Updates 54 Installing the Windows Server Driver and Firmware 55 To Install the Windows Driver 55 Firmware Updates 55 Installing the VMware Driver and Firmware ...

Page 7: ...ume Names 63 Cannot Delete a RAID Volume Using the SAS2IRCU Utility 64 There Is No FCode Utility Command for Creating a RAID 10 Volume 64 Storage Related Issues 64 The Oracle Solaris Operating System Installation Hangs 65 The System Hangs After Deleting a RAID Volume 65 Pressing Ctrl N Might Bypass Network Boot and HBA Option ROM Load 65 Blue Ready to Remove LED Does Not Illuminate After Issuing t...

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Page 9: ...rvice providers Required knowledge Advanced experience troubleshooting and replacing hardware Product Documentation Library Documentation and resources for this product and related products are available at http docs oracle com cd E19337 01 index html Feedback Provide feedback about this documentation at http www oracle com goto docfeedback Using This Documentation 9 ...

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Page 11: ...y Requirements on page 13 System Interoperability on page 14 Boot Support on page 15 Kit Contents Sun Storage 6 Gb SAS PCIe HBA Internal Accessing Documentation document HBA Features The internal Sun Storage 6 Gb SAS PCIe HBA SGX SAS6 INT Z SG SAS6 INT Z provides a low cost PCI Express SAS solution for computer manufacturers The HBA uses either a standard or low profile PCI bracket type and has th...

Page 12: ...fication version 2 0 SAS interface that is compatible with the ANSI Serial Attached SCSI Specification revision 2 0 and the Serial ATA Specification revision 2 6 Capability of running with either four or eight serial ports for connection to SAS SATA Serial ATA devices Each serial port is capable of 6 0 Gb s SAS and SATA link rates and 1 5 Gb s or 3 0 Gb s SATA link rates Note While each serial por...

Page 13: ...sure SAS expander or direct connect SAS cable you can mix any drive types subject to any restrictions imposed by the enclosure Operating System and Technology Requirements The HBA requires the operating system OS and technology levels at minimum listed in Table 1 Supported Operating System Technology Versions on page 13 TABLE 1 Supported Operating System Technology Versions Operating System Techno...

Page 14: ... OS with patches 142676 02 x86 and 143523 02 SPARC as the minimum Oracle Solaris OS level However if issues occur with the HBA Oracle Support requires that you update to the recommended OS levels listed in Table 1 Supported Operating System Technology Versions on page 13 System Interoperability This section provides host platform and software support information The section contains the following ...

Page 15: ...x VMware Virtual Machine and Windows Storage System Support Internal disk drives are the only storage supported by the HBA Software Support Install Flash and BIOS configuration utilities are provided The HBA uses the Fusion MPT architecture for all major operating systems which allows for thinner drivers for better performance To obtain the most up to date device drivers firmware and boot code tha...

Page 16: ...oot Support Windows Server 2012 OS ESX and ESXi Server version 5 0 and 5 1 technology 16 Sun Storage 6 Gb SAS PCIe HBA Internal Installation Guide For HBA Models SGX SAS6 INT Z and SG SAS6 INT Z May 2017 ...

Page 17: ...e HBA with care to avoid damage to electrostatic sensitive components To minimize the possibility of ESD related damage use both a workstation antistatic mat and an ESD wrist strap You can get an ESD wrist strap from any reputable electronics store or from Oracle as part number 250 1007 Observe the following precautions to avoid ESD related problems Leave the HBA in its antistatic bag until you ar...

Page 18: ...able to connect the HBA to SAS versus SATA storage devices For connection to internal drives or backplanes you must use an internal cable with a standard mini SAS connector SFF 8087 on the controller side of the cable The other end of the cable can fan out into four SAS style cables for direct connection to SAS or SATA disk drives Figure 2 Installing the HBA on page 19 illustrates the connector lo...

Page 19: ... PCI Express slot in the system 3 Align the HBA to the PCI Express slot and press down gently and firmly to seat the HBA into the slot see Figure 2 Installing the HBA on page 19 FIGURE 2 Installing the HBA Figure Legend 1 Bracket screw 2 Press here 3 Mini SAS x4 SFF 8087 internal connector with shell 4 Press here 5 Mini SAS x4 SFF 8087 to SAS x1 internal fan out cable 6 32 bit slots 3 3 V only 7 P...

Page 20: ...requirements Figure 2 Installing the HBA on page 19 Use only Oracle provided SAS cables provided with your system at time of purchase You can also purchase Oracle cables at http www oracle com 3 Observe the light emitting diodes LEDs during data transfer on the connected drives to ensure normal operation of the HBA To Complete the Installation 1 Replace the system cover and reconnect the AC power ...

Page 21: ...example 0 ok probe scsi all pci 0 pci 0 pci 8 pci 0 pci a LSI sas 0 MPT Version 2 00 Firmware Version 4 00 00 00 Target 9 Unit 0 Disk SEAGATE ST914602SSUN146G0603 286739329 Blocks 146 GB SASAddress 5000c5000b305b4d PhyNum 0 Target a Unit 0 Disk SEAGATE ST914602SSUN146G0603 286739329 Blocks 146 GB SASAddress 5000c5000b304cad PhyNum 1 Target b Unit 0 Disk HITACHI H101414SCSUN146GSA23 286739329 Block...

Page 22: ...eful when using the DELETE command The DELETE command can take no arguments or a single argument Issuing the DELETE command with no arguments deletes all RAID volumes Issuing the command with a single argument deletes only the RAID volume that you specify in the argument With version 6 250 02 00 of the SAS2IRCU utility or later use the DELETEVOLUME command to delete a single RAID volume For more i...

Page 23: ... the system all drives enclosures and system components 4 Refer to the service manual for your specific system to locate the HBA in the chassis of the system 5 Unscrew the bracket screw securing the HBA to the system if applicable or disengage the system retention mechanism that is securing the HBA to the system 6 Pull up on the HBA to unseat it from the PCI Express slot 7 Refer to the service man...

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Page 25: ...ve on page 49 Installing the Oracle Solaris OS on page 51 Next Steps on page 52 Overview of Creating a Bootable Drive in a Preboot Environment As an installation option you can choose to install the HBA into a system that does not yet have an OS installed With this installation option if you plan to use the HBA as your boot device you can optionally create a RAID volume for the HBA You can then in...

Page 26: ...s and RAID volumes and running pre boot applications Note Some operating system versions do not support UEFI BIOS mode For information about whether your operating system supports UEFI BIOS mode see your system and operating system documentation BIOS Configuration utility A legacy booting utility that you can run on an x86 system only if you have set your system BIOS to boot in legacy mode which y...

Page 27: ...o perform both steps in this procedure if you plan to install the Oracle Solaris OS onto a physical drive If you plan to use a physical drive to install the OS go directly to Step 2 1 Optionally create a RAID volume from which to boot see Using the FCode Utility to Create a Bootable Drive SPARC on page 27 2 Create an alias for the bootable drive see Creating an Alias for a Bootable Drive SPARC on ...

Page 28: ... with viewing such output 2 Enter the OBP environment by performing one of the following tasks Press STOP A on a Sun keyboard from Oracle Issue a break from a remote console 3 Use the show devs command to list the device paths on the system and select the device path for the HBA The mpt_sas based controllers will end with LSI sas number 0 ok show devs pci 1e 600000 pci 0 pci 3 LSI sas 0 pci 1e 600...

Page 29: ...actly two targets create raid10 volume Creates a RAID 10 volume minimum four targets delete volume Deletes a RAID volume You are now ready to use the FCode commands to optionally create a RAID volume on the HBA For more information see To Create a RAID Volume With the FCode Utility SPARC on page 29 If you plan to install the OS onto a physical drive go to Creating an Alias for a Bootable Drive SPA...

Page 30: ...e HBA are volumes created with size MAX the volumes use the maximum drive space possible Volumes using less than the maximum space of the smallest physical drive in the volume are not supported 0 ok 9 a create raid0 volume for RAID 0 with targets 9 and a 0 ok 9 a b c create raid10 volume for RAID 10 with targets 9 a b and c 3 Go to Creating an Alias for a Bootable Drive SPARC on page 30 Creating a...

Page 31: ...disk c pci 1e 600000 pci 0 pci 3 LSI sas 2 disk q NO SELECTION Enter Selection q to quit c pci 1e 600000 pci 0 pci 3 LSI sas 2 disk has been selected 3 Use the nvalias alias name HBA drive path command to create an alias for the bootable drive that you selected in Step 2 you can press Ctrl Y to paste the device path In the following example the alias name is mydev 0 ok nvalias mydev pci 1e 600000 ...

Page 32: ...ith the UEFI menu of the Setup utility as described in Using the UEFI Menu to Create a Bootable RAID Volume x86 on page 32 If you have set your system BIOS to boot in legacy mode which you can specify through the Boot menu of the BIOS Setup utility follow the steps in Using the BIOS Configuration Utility Legacy BIOS Booting to Create a Bootable Drive x86 on page 44 Using the UEFI Menu to Create a ...

Page 33: ...rives to be used in a RAID volume configuration 1 From the Integrated Lights Out Manager ILOM software or Video Graphics Array VGA video port access the system console 2 Initiate a system boot During the boot process the BIOS initialization banner lists information about the discovered SAS adapters and devices that are attached to the discovered HBAs in the system 3 Press F2 during the boot proces...

Page 34: ... Enter to display the Controller Management Virtual Disk Management and Physical Disk Management menu options 6 Use the arrow keys to navigate to the Physical Disk Managment menu option and press Enter 34 Sun Storage 6 Gb SAS PCIe HBA Internal Installation Guide For HBA Models SGX SAS6 INT Z and SG SAS6 INT Z May 2017 ...

Page 35: ... FIGURE 4 Selecting the Physical Disk Management Menu Option 7 From the menu options that are displayed navigate to the View Physical Disk Properties menu option and press Enter Chapter 3 Creating a Bootable Drive in a Preboot Environment 35 ...

Page 36: ...age that is displayed navigate to the View Physical Disk Properties field and press Enter The Select Physical Disk pop up window is displayed In the following example there are 4 drives in Slots 0 1 2 and 3 36 Sun Storage 6 Gb SAS PCIe HBA Internal Installation Guide For HBA Models SGX SAS6 INT Z and SG SAS6 INT Z May 2017 ...

Page 37: ...r RAID volume configuration as described in To Verify the Drives and Their Slots x86 on page 33 you can use those drives to create a RAID volume In the following procedure drives 2 and 3 from Step 8 0 1 2 0 1 3 are being used to create a RAID 1 volume Note Do not perform the steps in this procedure if you want to install the operating system on a non RAID volume Instead use Oracle System Assistant...

Page 38: ... the Controller Management menu option and press Enter FIGURE 7 Selecting the Controller Management Menu Option 2 From the menu options that are displayed use the arrow keys to navigate to the Create Configuration menu option and press Enter 38 Sun Storage 6 Gb SAS PCIe HBA Internal Installation Guide For HBA Models SGX SAS6 INT Z and SG SAS6 INT Z May 2017 ...

Page 39: ...are displayed use the arrow keys to navigate to the Select Physical Disks menu option and press Enter In the following example note that the RAID 1 level is selected You might want to create a different level of RAID volume based on your requirements Chapter 3 Creating a Bootable Drive in a Preboot Environment 39 ...

Page 40: ... Use the arrow keys to navigate to the drive b Press Enter to launch the Enabled Disabled pop up window for that drive c In the pop up window navigate to the Enabled field and press Enter The pop up window closes and the drive is now listed as Enabled 40 Sun Storage 6 Gb SAS PCIe HBA Internal Installation Guide For HBA Models SGX SAS6 INT Z and SG SAS6 INT Z May 2017 ...

Page 41: ... and press Enter The RAID volume is now created with the drives that you enabled 6 Complete the steps in To Confirm the RAID Volume Creation x86 on page 41 To Confirm the RAID Volume Creation x86 Before You Begin Before performing this procedure verify the drives and their slots To Verify the Drives and Their Slots x86 on page 33 and create a RAID volume To Create a RAID Volume x86 on page 37 Chap...

Page 42: ...Confirm the volume creation by doing the following a Use the arrow keys to navigate to the Confirm field b Change the value of the Confirm field to Enabled and press Enter Yes and No fields are displayed c Use the arrow key to navigate to the Yes field and press Enter This completes the RAID volume creation process FIGURE 11 Confirming the RAID Volume Creation 42 Sun Storage 6 Gb SAS PCIe HBA Inte...

Page 43: ...olume information on the page that is displayed In the following example a RAID 1 volume is created with a target ID of 891 FIGURE 12 Viewing the Newly Created RAID Volume 4 Exit the Setup utility and reboot into the Oracle System Assistant utility to install an OS on that RAID volume or manipulate the boot drive 5 You can now nstall the OS on the volume as described in Installing the Oracle Solar...

Page 44: ...re to Use the BIOS Configuration Utility 1 From the Integrated Lights Out Manager ILOM software or Video Graphics Array VGA video port access the system console 2 Initiate a system boot During the boot process the BIOS initialization banner lists information about the discovered SAS adapters and devices that are attached to the discovered HBAs in the system 3 Upon seeing the prompt Press Ctrl C to...

Page 45: ...tion Insert Enables booting Del Disables booting Plus Increases the numeric value in order to change the boot order Minus Decreases the numeric value in order to change the boot order 5 To change other options use the arrow keys to navigate to the HBA that you want and press Enter The Adapter Properties screen is displayed for the selected HBA see Figure 14 Adapter Properties Screen on page 46 Cha...

Page 46: ...and RAID volumes attached to the HBA use the arrow keys to navigate to the SAS Topology field and press Enter The SAS Topology screen is displayed see Figure 15 SAS Topology Screen on page 47 46 Sun Storage 6 Gb SAS PCIe HBA Internal Installation Guide For HBA Models SGX SAS6 INT Z and SG SAS6 INT Z May 2017 ...

Page 47: ... the steps in this section if you want to install the OS on a non RAID volume Instead go directly to To Select a Bootable Drive x86 on page 49 1 From the Adapter Properties screen of the LSI Corp Config Utility utility use the arrow keys to navigate to the RAID Properties field and press Enter The Select New Volume Type screen is displayed see Figure 16 Select New Volume Type Screen on page 48 Cha...

Page 48: ...operties screen and have successfully created a RAID volume on which to install an OS 4 Perform the steps in Selecting a Bootable Drive x86 on page 48 Selecting a Bootable Drive x86 This section describes how to select the bootable drive on which you want to install the OS on an x86 system This section contains the following topic To Select a Bootable Drive x86 on page 49 48 Sun Storage 6 Gb SAS P...

Page 49: ... following the steps in Validating the Label of the HBA Drive on page 49 Validating the Label of the HBA Drive This section describes how to verify that the physical drive or RAID volume you created for the HBA has a valid Oracle Solaris label and therefore can be recognized by the OS Sometimes drives and RAID volumes need to be relabeled using the format command in the case of SPARC systems or th...

Page 50: ...led HBA card and press Enter format Searching for disks done c5t5000C5000B304CAFd0 configured with capacity of 136 71GB c5t5000C5000B305B4Fd0 configured with capacity of 136 71GB c5t5000CCA0002CF034d0 configured with capacity of 136 71GB c5t5000CCA000310014d0 configured with capacity of 136 71GB AVAILABLE DISK SELECTIONS 0 c5t5000C5000B304CAFd0 SUN146G cyl 14087 alt 2 hd 24 sec 848 scsi_vhci disk ...

Page 51: ...te cmd then return quit format q Next Steps If you are installing the HBA in a SPARC system install the Oracle Solaris OS as described in Installing the Oracle Solaris OS on page 51 If you are installing the HBA in an x86 system install a supported OS for a list of supported OSes see Operating System and Technology Requirements on page 13 If you plan to install the Oracle Solaris OS on an x86 syst...

Page 52: ...network server storage solaris10 overview index html 2 Perform a normal installation as described in the Oracle Solaris 10 installation documentation 3 Apply any patches that are specifically required for the system You can obtain these Oracle Solaris patches at http support oracle com 4 Reboot the system reboot The system can now see and boot from the RAID volume on which you installed the Oracle...

Page 53: ... 55 Installing the RAID Configuration Utility on page 56 Installing the Oracle Solaris Driver and Firmware The latest driver mpt_sas for this HBA is included as part of the Oracle Solaris 10 01 13 OS and the Oracle Solaris 11 1 OS You can obtain the latest version of the Oracle Solaris OS at http www oracle com technetwork server storage solaris10 overview index html The HBA requires the the follo...

Page 54: ... Log in to the host 2 In a browser go to http www lsi com sep Pages oracle index aspx 3 Select the type and then model of the HBA that you want SG X SAS6 INT Z 4 Select and download the Linux driver that is supported by the Linux release Red Hat Enterprise Linux SuSE Linux Enterprise Server or Oracle Enterprise Linux on your hardware platform 5 Select and download the corresponding Readme file for...

Page 55: ... then model of the HBA that you want SG X SAS6 INT Z 4 Select and download the specific Windows driver that is supported by the Windows release on your hardware platform 5 Select and download the corresponding Readme file for the Windows driver and follow the instructions in the Readme file to complete the driver installation Firmware Updates The Windows firmware and boot code update for the HBA a...

Page 56: ... Use the SAS2IRCU utility a command line interface utility to create RAID volumes for the HBA This utility and its associated documentation is available for download at http www lsi com sep Pages oracle index aspx 56 Sun Storage 6 Gb SAS PCIe HBA Internal Installation Guide For HBA Models SGX SAS6 INT Z and SG SAS6 INT Z May 2017 ...

Page 57: ... HBA considers this volume to be a foreign RAID volume To protect data the foreign RAID volume is unusable by the operating system or system boot loader until you manually activate it You must manually activate a volume in the following situations You plan to move the physical disks that make up a hardware RAID volume from one system to another system with the HBA You are replacing an existing HBA...

Page 58: ...he volume is now activated and can be used by the HBA Activating a Volume x86 Follow the procedure in this section to activate an x86 volume To Activate a Volume x86 1 Enter the BIOS Configuration utility as described in To Prepare to Use the BIOS Configuration Utility on page 44 2 Navigate to the HBA to which the foreign volume is connected and press Enter 3 Navigate to the RAID Properties field ...

Page 59: ... area of the LSI web site http www lsi com sep Pages oracle index aspx download the SAS2IRCU utility and issue the sas2ircu command with no options at the command line or at a terminal window 2 To display a synopsis of the SAS2IRCU utility command line arguments issue the sas2ircu 0 activate command 3 To obtain the controller ID issue the sas2ircu list command 4 To obtain the volume ID issue the s...

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Page 61: ... on page 61 Cannot Assign a Global Hot Spare Through the MSM GUI on page 62 Cannot Upgrade Firmware on the HBA Therough the MSM GUI on page 62 Cannot Hotplug the HBA Card Through the MSM GUI Bug 15700904 Issue If the MegaRAID Storage Manager MSM software is installed on the system and the MSM software services are running you cannot perform hotplug remove and insert operations on the HBA When atte...

Page 62: ...GUI Bug 15664024 Issue The firmware level on the HBA remains the same after using the MegaRAID Storage Manager software to upgrade the firmware Workaround Upgrading firmware through the MegaRAID Storage Manager software is not supported for this HBA To upgrade firmware on the HBA use the SAS2IRCU utility You can obtain the SAS2IRCU utility from the Oracle support area of the LSI web site http www ...

Page 63: ...As in the BIOS Setup utility A Hard Drive is Not Displayed in the BIOS Setup Utility Bug 15769403 Issue After removing and reinserting a hard drive that is part of a RAID 1 virtual drive configuration on the HBA the hard drive is no longer displayed in the BIOS Setup utility Workaround None This is expected behaviour To view the hard drive after reinsertion reboot the system and enter the BIOS Set...

Page 64: ...s HBA are 0 1 and 10 However there is no FCode command in the SPARC Open Boot Prom OBP environment that enables you to create a RAID 10 volume Instead there is a command that lets you create a RAID 1E volume create raid1e volume command When you use this command to create a volume the SAS2IRCU utility displays this volume as a RAID 10 volume Workaround To create a RAID 10 volume through the FCode ...

Page 65: ...imal mode rather than resync mode prior to installing the OS The System Hangs After Deleting a RAID Volume Bug 15764098 Issue If you delete a RAID volume configured on this HBA and that volume is in resync mode the system in which the HBA is installed might hang Workaround When you need to delete a RAID volume that is configured on the HBA verfity that the volume is in optimal mode not in resync m...

Page 66: ...e Oracle Solaris OS it is difficult to physically locate that drive after issuing the cfgadm c unconfigure command This is because the blue Ready to Remove LED is not illuminating on the drive as it is expected to do Workaround To determine the physical location of the disk and then to hot plug the disk perform the procedure in this section Determine the Physical Location and Then Hot Plug a Disk ...

Page 67: ...m data write write then read corrupts data compare write read compare corrupts data purge write read write corrupts data verify write entire disk then verify corrupts data print display data buffer setup set analysis parameters config show analysis parameters cmd execute cmd then return quit quit 3 Issue the read analyze command and type y at the prompt analyze read Ready to analyze won t harm Sun...

Page 68: ... Step 1 through Step 6 8 Now that you have physically located the drive issue the cfgadm c unconfigure command to unconfigure the drive and then remove the drive from the chassis Only 24 Devices Are Displayed In The System BIOS Boot List Bug 15648283 Issue If you install multiple HBA cards in an x86 system the total number of devices populated across all cards can be no more than 24 Additional dev...

Page 69: ... board follows the PCI Express specifications PCI Performance The PCI Express features of the HBA include the following Provides 4 or 8 PCI Express PHYs Supports a single PHY one lane link transfer rate up to 6 0 Gb s in each direction Supports link widths of x8 x4 and x1 Automatically downshifts to a x4 link width if plugged into a x8 connector that is wired as a x4 connector Provides a scalable ...

Page 70: ...rages existing PCI device drivers Supports the memory I O and configuration address spaces Supports memory read write transactions I O read write transactions and configuration read write transactions Provides 4 KB of PCI configuration address space per device Supports posted and nonposted transactions Provides quality of service QOS link configuration and arbitration policies Supports Traffic Cla...

Page 71: ...ane board edge connector J3 UART connection J7 J8 SFF 8087 mini SAS internal right angle connector J6 4 pin right angle 0 1 in pitch pin header for driving external activity LED Connectors The different HBA connectors are listed in the following table see Figure 17 HBA Board Layout on page 71 for connector locations Appendix A HBA Specifications 71 ...

Page 72: ...vity LED Header J6 4 pin right angle 0 1 in pitch pin header for driving external activity LEDs Table 5 UART Connections on page 72 lists the UART connections and their functions TABLE 5 UART Connections Pin Function 1 UART0_TX 2 Gnd 3 UART0_RX 4 3 3 V Table 6 LED Header on page 72 details the LED headers and their functions TABLE 6 LED Header Pin Function 1 3 3 V 2 Port 0 3 Port 1 4 3 3 V Environ...

Page 73: ... C max 120 hours Altitude 3200m at 40 C 4 hour dwell 12 200m at 0 C 4 hour dwell Vibration 0 25G in all axes swept for 5 500 5 Hz 5 sweeps in all at 1 octave min 1 2G in all axes swept for 5 500 5 Hz 5 sweeps in all at 1 octave min Shock 5 5G 11 ms half sine 10 shocks in x y and z axes 33G 11 ms half sine 3 shocks in x y and z axes Airflow At least 200 linear feet per minute LFPM At least 200 line...

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Page 75: ...with each other D device driver A program that enables a microprocessor through the operating system to direct the operation of a peripheral device domain validation A software procedure in which a host queries a device to determine its ability to communicate at the negotiated data rate drive group A group of physical drives that combines the storage space on the drives into a single segment of st...

Page 76: ...em host bus adapter A piece of hardware that connects a host to network and storage devices hot spare An idle powered on standby drive that is ready for immediate use in case of drive failure A hot spare does not contain any user data A hot spare can be dedicated to a single redundant array or it can be part of the global hot spare pool for all arrays managed by the adapter When a drive fails the ...

Page 77: ... computer SCSI peripherals are controlled through a MegaRAID SAS RAID controller host adapter PHY The interface required to transmit and receive data packets transferred across the serial bus Each PHY can form one side of the physical link in a connection with a PHY on a different SATA device The physical link contains four wires that form two differential signal pairs One differential pair transm...

Page 78: ...ables communication with a SATA II device through an attached expander Each PHY on the SAS adapter can function as an STP initiator stripe size The total drive space consumed by a stripe not including a parity drive For example consider a stripe that contains 64 Kbytes of drive space and has 16 Kbytes of data residing on each drive in the stripe In this case the stripe size is 64 Kbytes and the st...

Page 79: ...virtual drive Depending on the RAID level used the virtual drive can retain redundant data in case of a drive failure Glossary 79 ...

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