HP AH226A - Smart Array E500/256MB Controller RAID Support Manual Download Page 1

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HP 8 Internal Port SAS Controller and HP
Multi-Port Internal SAS Controller Support
Guide

HP-UX 11i v2, 11i v3

HP Part Number: 5900-0112
Published: September 2009
Edition: 6

Summary of Contents for AH226A - Smart Array E500/256MB Controller RAID

Page 1: ...HP 8 Internal Port SAS Controller and HP Multi Port Internal SAS Controller Support Guide HP UX 1 1i v2 1 1i v3 HP Part Number 5900 01 12 Published September 2009 Edition 6 ...

Page 2: ...States and other countries Printed in Taiwan Confidential computer software Valid license from HP required for possession use or copying Consistent with FAR 12 211 and 12 212 Commercial Computer Software Computer Software Documentation and Technical Data for Commercial Items are licensed to the U S Government under vendor s standard commercial license The information contained herein is subject to...

Page 3: ...egrated Mirror 15 Global Hot Spare 15 Configuration Utilities 15 The drvcfg Utility 16 Starting the drvcfg Utility 16 Using the drvcfg Utility With a Terminal Emulation Program 16 Configuration Utility Screens 16 Adapter List Screen 16 Adapter Properties Screen 17 RAID Properties Screens 19 Select New Array Type Screen 20 Create New Array Screen 20 View A New Array Screen 21 Manage A New Array Scr...

Page 4: ...nd 42 Syntax 42 Parameters 42 Operation 42 Using the AUTO Command 43 Syntax 43 Parameters 43 Operation 43 HOTSPARE 43 Syntax 43 Parameters 43 Operation 43 DELETE 43 Syntax 43 Parameters 44 Operation 44 DISPLAY 44 Syntax 44 Parameters 44 Sample Output 44 Logical drive status values 46 Physical device status values are as follows 46 FORMAT 46 Syntax 46 Parameters 46 Operation 46 STATUS 47 Syntax 47 ...

Page 5: ...formation About Error Conditions 59 Deleting the Spare Disk 64 Updating SAS Controller Firmware Online 64 Performing Other Common Operations 65 Replacing a Disk Online Using sasmgr replace_tgt or io_redirect_dsf 65 Recommendations 67 Updating Physical Disk Firmware 67 Replacing Physical Disks 67 Update to the Latest Drivers and Firmware 68 Security Restrictions 68 A Electrostatic Discharge 69 Hand...

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Page 7: ...perating Systems Supported Document Manufacturing Part Number September 2006 B 11 23 0606 HP UX 11i v2 5991 5495 February 2007 B 11 23 0612 B 11 31 HP UX 11i v2 HP UX 11i v3 J6369 90041 June 2007 B 11 23 0706 B 11 31 0706 HP UX 11i v2 HP UX 11i v3 J6369 90045 December 2007 B 11 23 0712 B 11 31 0712 HP UX 11i v2 HP UX 11i v3 J6369 90070 March 2008 B 11 23 0803 B 11 31 0803 HP UX 11i v2 HP UX 11i v3...

Page 8: ...r documents in this collection include SerialSCSI 00 sasd Mass Storage Driver Release Notes HP CommonIO Release Notes SAS Host Bus Adapters Support Matrix HP Encourages Your Comments HP encourages your comments concerning this document We are committed to providing documentation that meets your needs Please send comments to mailto netinfo_feedback cup hp com Please include document title manufactu...

Page 9: ...er Problems related to crosstalk are less likely in serial interfaces than in parallel interfaces because there are fewer conductors in the cables The hardware for serial interfaces is less costly than the hardware for equivalent parallel interfaces SAS offers data transfer rates in excess of 3 gigabits per second Gb s with potential rates of 10 Gb s or more Serial attached SCSI provides an ideal ...

Page 10: ...Figure 1 1 HP 8 Internal Port PCI X SAS Controller 10 Controller Overview ...

Page 11: ... Description Number Heartbeat LED green amber Flashing green indicates normal operation Amber indicates that the card s firmware has detected a fault 1 Activity LED green Blinks when there is I O activity on any port 2 Internal 4x SAS connector port 1 3 Internal 4x SAS connector port 2 4 See the server documentation for the location of HP 8 Internal Port Embedded SAS Controller connectors and indi...

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Page 13: ... WARNING To reduce the risk of personal injury or damage to the equipment consult the safety information and user documentation provided with the server before attempting the installation Many servers are capable of producing energy levels that are considered hazardous and are intended to be serviced only by qualified personnel who have been trained to deal with these hazards Do not remove enclosu...

Page 14: ...n the server model secure the adapter by replacing the retaining screw or by closing the slot latch 9 Reconnect the cables to the internal drive bays Completing the Controller Replacement To complete the replacement and boot the server follow these steps 1 Verify that all cables are routed correctly and are not restricting or being pinched by other components For the correct routing of the cables ...

Page 15: ...the operating system on servers and high performance workstations An IM supports two simultaneous mirrored volumes making an array providing fault tolerant protection for critical data Typically one of these volumes is the boot volume If a disk in an IM fails the hot swap capability enables you to easily restore the volume by replacing the failed disk The firmware then automatically re mirrors to ...

Page 16: ...p down left right movement to position the cursor Home End Select Item Up down left right movement to position the cursor Change Item Items with values in brackets are modifiable Numeric keypad and numeric keypad minus update a modifiable field to its next relative value Esc Abort Exit Aborts the current context operation or exits the current screen If you have changed settings you will be asked t...

Page 17: ...ndicates the PCI Device assigned by the system BIOS to an adapter range 0x00 0x1F 0 31 decimal PCI Fnc Indicates the PCI Function assigned by the system BIOS to an adapter range 0x00 0x7 0 7 decimal FW Revision Displays the Fusion MPT firmware version and type IR or IT Status Indicates whether the adapter is eligible for software control Enabled Disabled or Error Enabled Indicates the EFI driver i...

Page 18: ...pter Status Indicates whether the adapter is eligible for configuration utility software control or is reserved for control by other software Enabled Disabled or Error Enabled Indicates the EFI driver is controlling the adapter or will attempt to control the adapter upon reload Disabled Indicates the EFI driver is not controlling the adapter or will discontinue control of the adapter upon reload E...

Page 19: ...rotocol Changes to the Boot Support setting are reflected in the Status field of the Adapter List menu However the new setting does not take effect until you reboot the system To access the following additional screens use the arrow keys to highlight the option and press Enter RAID Properties See RAID Properties Screens SAS Topology See SAS Topology Screen Advanced Adapter Properties See Advanced ...

Page 20: ...Specifies the devices disks that make up an IM array If RAID Disk is Yes the device is part of an IM array if No the device is not part of an IM array If this field is grayed out one of the following conditions applies The device does not meet the minimum requirements for use in an IM array The device is not large enough to mirror existing data on the primary drive This disk has been selected as t...

Page 21: ...es If the device is part of a two disk array this field will reflect the size of the array not the size of the individual disk If the device is part of a three or more disk array this field is the size that the disk makes up within the array In arrays consisting of different sized disks excess space on larger disks will be unusable View A New Array Screen The View Array screen is accessed by press...

Page 22: ...e does not meet the minimum requirements for use in an IM array The array already has a Hot Spare The array is made up of the maximum number of devices 6 The device isn t large enough to mirror existing data on the primary The Hot Spare drive must be greater than or equal to the size of any drive in any IM volume Drive Status One of the following will be displayed OK Disk is online and fully funct...

Page 23: ...der the following conditions 1 The array is inactive 2 The array is at its maximum number of devices 3 Non IR firmware is used 4 IR is disabled The array is inactive Synchronize Array Press Enter on Synchronize Array to perform a synchronization of the IM array You will be prompted to be sure you want to perform this action Press Y for yes and N for no This field is grayed out under the following ...

Page 24: ...he adapter Properties screen This screen presents a view of the adapter s SAS hierarchy and provides other user functionality The following objects along with their significant properties are shown Adapter PHYs Expanders Enclosures Attached Devices 24 Configuring the Controller Offline ...

Page 25: ... accessed from Device Properties by selecting the appropriate field and pressing Enter Device Format Device Verify The following actions are performed from Device Properties Press N to cycle to the next device Press P to cycle to the previous device Device Identifier Indicates the ASCII device identifier string extracted from the device s Inquiry Data SAS Address Indicates the SAS Address of this ...

Page 26: ... Logical Block Addresses LBAs Press Enter to start the verification Advanced Adapter Properties Screen To access the Advanced Adapter Properties screen highlight the Advanced Adapter Properties field on the Adapter Properties Screen and press Enter A screen similar to the following appears Information fields on the Advanced Adapter Properties screen are as follows IRQ Indicates the Interrupt Reque...

Page 27: ...et Errors Indicates the number of times that the PHY Reset sequence has failed since the last PHY Link Error Reset To access the following additional screens use the arrow keys to highlight the option and press Enter Advanced Device Properties See Advanced Device Properties Screen Spinup Properties See Spinup Properties Screen page 29 PHY Properties See PHY Properties Screen page 29 To reset all o...

Page 28: ...ue of 0 specifies no time out IO Timeout for Other Devices Specifies the time out value for I Os to devices other than the following SCSI Device Type 00h Direct Access SCSI Device Type 01h Sequential Access SCSI Device Type 04h Write Once SCSI Device Type 05h CD ROM SCSI Device Type 07h Optical SCSI Device Type 0Eh Simplified Direct Access To toggle between LUN 0 and All press or LUN 0 scans only ...

Page 29: ...urs when disk drives reach normal rotation speed during system boot To reduce power requirements and stress on the system backplane the system inserts a brief delay between drive spin ups Direct Attached Spinup Delay Time in seconds between each disk drive spin up The default value is 3 Direct Attached Max Targets Number of disk drives that spin up at the same time The default value is 1 Expander ...

Page 30: ... reset Loss of DWORD Sync Number of times that DWORD synchronization was lost and the link reset sequence occurred since the last PHY link error reset Running Disparity Errors Number of dwords with running disparity errors that have been received outside PHY reset sequences since the last PHY link error reset PHY Reset Errors Number of times the PHY reset sequence has failed since the last PHY lin...

Page 31: ...r counts for all Phys Cancel To perform the reset highlight an option and press Enter Exiting drvcfg Because some changes only take effect when you exit drvcfg follow these steps to exit the utility 1 From Adapter Properties press Esc to return to the Adapter List 2 From the Adapter List press Esc to exit the utility The exit screen shows some options that are grey indicating they are not availabl...

Page 32: ...ID Before you can create an integrated mirror volume use the EFI shell commands to find the Driver ID for the SAS Host Bus Adapter and the corresponding Ctrl ID To determine these ID values follow these steps 1 Start the EFI shell by choosing EFI Shell from the Console menu 2 At the Shell prompt enter drivers and press Enter 3 Find the SAS Host Bus Adapter in the list of drivers and make a note of...

Page 33: ... volume follow these steps 1 Start drvcfg using the Driver ID and Ctrl ID of the SAS Host Bus Adapter See Determining the Driver ID and Ctrl ID page 32 In this example the Driver ID is 2C and the Ctrl ID is 2F Shell drvcfg s 2C 2F The Adapter List screen appears 2 Select the SAS Host Bus Adapter SAS1068 and press Enter The Adapter Properties screen appears Example Adding Viewing and Deleting An In...

Page 34: ...3 Select RAID Properties and press Enter The Select New Array Type screen appears 4 Select Create IM Volume and press Enter The Create New Array screen appears 34 Configuring the Controller Offline ...

Page 35: ...m or port 2 has been assigned to be the Primary 6 Repeat the process from the previous step to assign another disk as the Secondary the Secondary disk will contain the mirrored copy of the data on the Primary disk 7 When you have assigned Primary and Secondary disks press C to create the array The following screen appears Example Adding Viewing and Deleting An Integrated Mirror Volume Using drvcfg...

Page 36: ...te the disks with option D and create a new array all of the data on the disks will be permanently lost If you are not certain that the disks are empty or that their contents have been backed up press Esc to cancel the Create New Array process Repeat the process when the disk contents have been verified When you have chosen an option the following screen appears 9 Select Save changes then exit thi...

Page 37: ...e Driver ID and Ctrl ID page 32 In this example the Driver ID is 2C and the Ctrl ID is 2F Shell drvcfg s 2c 2F The Adapter List screen appears 2 Select the SAS Host Bus Adapter SAS1068 and press Enter The Adapter Properties screen appears 3 Select RAID Properties and press Enter The Select New Array Type screen appears Example Adding Viewing and Deleting An Integrated Mirror Volume Using drvcfg 37...

Page 38: ... of all disks that are in arrays In this example one Integrated Mirror array has been defined 5 To change array settings choose Manage Array and press Enter To exit drvcfg without making any changes press Esc Deleting an Integrated Mirror Volume To delete an Integrated Mirror volume follow these steps 38 Configuring the Controller Offline ...

Page 39: ...river ID is 2C and the Ctrl ID is 2F Shell drvcfg s 2C 2F The Adapter List screen appears 2 Select the SAS Host Bus Adapter SAS1068 and press Enter The Adapter Properties screen appears 3 Select RAID Properties and press Enter The Select New Array Type screen appears Example Adding Viewing and Deleting An Integrated Mirror Volume Using drvcfg 39 ...

Page 40: ...splays showing the total array capacity and the assignments and status of all disks that are in arrays In this example one Integrated Mirror array has been defined 5 Select Manage Array and press Enter The Manage Array screen appears 40 Configuring the Controller Offline ...

Page 41: ...fggen navigate to the directory that contains the utility To navigate to the directory follow these steps 1 Insert the HP IPF Offline Diagnostic and Utilities CD into the CD drive 2 Boot the system to the EFI shell prompt 3 From the EFI shell prompt change to the CD drive shell fs0 fs0 4 Change to the directory that contains cfggen efi fs0 cd EFI HP TOOLS IO_CARDS SAS fs0 EFI HP TOOLS IO_CARDS SAS...

Page 42: ...from disk types in any of the volume 7 With the AUTO command all drives used are the same type as the first available disk found and the size is limited to the size of the smallest disk The cfggen Command Set Using the CREATE Command The CREATE command creates IM volumes on the SAS controller Firmware and hardware limitations for this family of cards limit the number of configurations that are pos...

Page 43: ...owed to resync the disk drives the data on the primary disk drive is available by accessing the newly created volume Reply Yes if you want to complete the creation HOTSPARE The HOTSPARE command creates a hot spare disk drive The hot spare drive will be added to hot spare pool 0 Syntax cfggen controller HOTSPARE DELETE Encl Bay Parameters controller A SAS controller number between 0 and 255 DELETE ...

Page 44: ... to a file Sample Output Read configuration has been initiated for controller 0 Controller information Controller type SAS1068 EFI BSD version 2 00 09 00 Firmware version 1 10 01 00 Channel description 1 Serial Attached SCSI Initiator ID 63 Maximum physical devices 62 Concurrent commands supported 511 IR Volume information IR volume 1 Volume ID 2 Status of volume Okay OKY RAID level 1 Size in MB 3...

Page 45: ... Size in MB in sectors 70007 143374738 Manufacturer HP Model Number DG072A8B5C Firmware Revision HPD4 Serial No B062P5B011RK0548 Drive Type SAS Target on ID 7 Device is a Hard disk Enclosure 1 Slot 2 Target ID 7 State Ready RDY Size in MB in sectors 70007 143374738 Manufacturer HP Model Number DG072A8B5C Firmware Revision HPD4 Serial No B062P5B011NB0548 Drive Type SAS Target on ID 9 Device is a Ha...

Page 46: ...nd it is not suitable for inclusion in an array or hot spare pool i e it is not spun up its block size is incorrect or its media is removable Failed FLD Drive was part of a logical drive or was a hot spare drive and it failed It has been taken offline Standby SBY This status is used to tag all non hard disk devices FORMAT The FORMAT command performs a low level format of a disk drive This operatio...

Page 47: ...n progress Background command progress status for controller 0 IR Volume 1 Current operation None Volume ID 2 Volume status Enabled Volume state Optimal Physical disk I Os Not quiesced The status fields in the data displayed can take on the following values Current operation Synchronize or None Volume status Enabled or Disabled Volume state Inactive Optimal Degraded or Failed Physical disk I Os Qu...

Page 48: ...s in this section to update the SAS controller firmware offline For information on recommended firmware versions see the SAS Host Bus Adapters Support Matrix at http docs hp com en netcom html There are two methods to update the SAS controller firmware offline depending on the HP UX and SerialSCSI 00 versions installed on the server In some SerialSCSI 00 bundle versions the sasd driver updates the...

Page 49: ...the adapter firmware using sasflash booting a disk with an older version of SerialSCSI 00 including Ignite UX might download an older version of the firmware and EFI driver to all HBAs controlled by SerialSCSI 00 in the system In this case use sasflash to reinstall the correct adapter firmware For information on how to update SAS controller firmware online see Updating SAS Controller Firmware Onli...

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Page 51: ...nal Port SAS Controller hardware and software on the host and on any devices Troubleshooting sasd Troubleshooting sasd requires the use of the following two utilities ioscan sasmgr The ioscan Utility By default ioscan scans the system and lists all reportable hardware found The types of hardware reported include processors memory interface cards and I O devices For HP UX 11i v2 the ioscan command ...

Page 52: ...4 1 0 0 0 4 0 sdisk CLAIMED DEVICE HP DG036A8B5B dev dsk c1t4d0 dev rdsk c1t4d0 disk 8 0 4 1 0 0 0 7 0 sdisk CLAIMED DEVICE HP DG036A9BB6 dev dsk c1t7d0 dev rdsk c1t7d0 dev dsk c1t7d0s1 dev rdsk c1t7d0s1 dev dsk c1t7d0s2 dev rdsk c1t7d0s2 dev dsk c1t7d0s3 dev rdsk c1t7d0s3 disk 11 0 4 1 0 0 0 10 0 sdisk CLAIMED DEVICE HP IR Volume dev dsk c1t10d0 dev rdsk c1t10d0 For each hardware module on the sy...

Page 53: ...l lun_dsf q lun_locate sasmgr h v N get_info D device_file q lun all q lun_locate sasmgr h get_info D device_file q pci_id sasmgr h get_info D device_file q phy all phy_id sasmgr h get_info D device_file q phy_in_port all phy_id sasmgr h N get_info D device_file q raid sasmgr h get_info D device_file q reg all offset q reg_type pci_config mmio sasmgr h get_info D device_file q smp file_name sasmgr...

Page 54: ...ysical disks The value specified for the level qualifier determines the RAID level for the volume For example q level 1 specifies that a RAID 1 volume should be created If the physical disks in a RAID volume are different sizes then some disk space will be wasted Volume expansion is not supported once a volume has been created its size cannot be increased If the size qualifier is not specified the...

Page 55: ... Otherwise it suppresses the warning message and continues executing the command This command requires superuser privileges See Security Restrictions page 68 raid spare Use this set of qualifiers to delete the controller spare disk If the f option is not specified sasmgr displays a warning message before continuing the command Otherwise it suppresses the warning message and continues executing the...

Page 56: ...Shows information about a port to which the specified PHY belongs or provides information about all ports raid Shows RAID configuration information for the controller If the N option is specified with this command then it displays persistent device file information reg Displays the contents of a specific PCI config space or MMIO register or all PCI config spaces or MMIO registers PCI config space ...

Page 57: ...ified LUN on or off If it is a RAID device LUN then this command turns the LOCATE LED for all the physical disks that are part of the RAID volume on or off raid state raid_vol Use this set of qualifiers to change the state of the volume based on the value specified by the state qualifier and the volume specified by raid_vol If the f option is not specified sasmgr displays a warning message before ...

Page 58: ...hed SAS Address 0x500000e01263fcc2 Current Link Rate 3 Gbps Max Link Rate 3 Gbps Info for PHY ID 5 PHY Health DOWN Port SAS Address 0x0 Attached SAS Address 0x0 Current Link Rate 1 5 Gbps Max Link Rate 1 5 Gbps Info for PHY ID 6 PHY Health DOWN Port SAS Address 0x0 Attached SAS Address 0x0 Current Link Rate 1 5 Gbps Max Link Rate 1 5 Gbps Info for PHY ID 7 PHY Health UP Port SAS Address 0x500605b0...

Page 59: ...I Subsystem Vendor ID 0x3228 PCI Subsystem ID 0x103c PCI Revision ID 0x0000 Max PHYs supported 8 Max IO size 1048576 HBA Specific information HBA state READY Driver firmware dump available NO Driver firmware dump timestamp N A Firmware Revision 1 16 0 0 Display the device file assignments for the controller with the device file dev sasd0 sasmgr get_info D dev sasd0 q lun all LUN dsf Hardware Path ...

Page 60: ...ics No of times HBA went to suspended state 0 Time at which HBA was suspended N A No of times HBA resumed 0 No of times HBA resume failed 0 No of times PCI errors were encountered 0 Seconds since last statistics were reset 25236 HBA Specific information No of times Force dump was issued by ioctl 0 No of times Save dump was issued by ioctl 0 Timestamp of last Fatal Error N A No of fatal errors whil...

Page 61: ...read again count 0 PHY Page 0 offline count 0 PHY offline event received count 0 PHY online event received count 1 PHY stale data count 0 PHY data read again count 0 PHY Page 0 offline count 0 PHY offline event received count 0 PHY online event received count 1 PHY stale data count 0 PHY data read again count 0 PHY Page 0 offline count 0 PHY offline event received count 0 PHY online event received...

Page 62: ... of Unknown Events received 0 Probe Statistics No of ioscans 1 No of ioscan failures 0 No of times Chip went offline of ioscans 0 No of times Chip went to Trans state 20 No of HAL query successes 0 No of HAL query failures 0 No of times times HAL returned busy 0 No of times memory allocation failed 0 No of devices that timed out 0 No of times Target opens was sent 5 No of times open failed 0 No of...

Page 63: ...00 No of times PHY went Down 0 Time PHY went Down N A Seconds since PHY statistics was last cleared 1165910402 Statistics for PHY ID 5 No of times PHY came UP 0 Time PHY came UP N A No of times PHY went Down 1 Time PHY went Down Wed Dec 31 19 00 00 Seconds since PHY statistics was last cleared 1165910402 Statistics for PHY ID 6 No of times PHY came UP 0 Time PHY came UP N A No of times PHY went Do...

Page 64: ...ountered 0 Statistics for PHY ID 7 No of Invalid Dwords 0 No of Running Parity Errors 0 No of Loss Dword Syncs 0 No of PHY Reset Problems encountered 0 Deleting the Spare Disk To delete the Global Hot Spare disk from the controller with the device file dev sasd0 sasmgr delete D dev sasd0 q raid q spare WARNING This is a DESTRUCTIVE operation This might result in failure of current I O requests Do ...

Page 65: ...ID1 and enc_bay 1 4 1 5 to the controller with the device file dev sasd0 sasmgr add D dev sasd0 q raid q level 1 q size 34000 q enc_bay 1 4 1 5 Add a spare disk to the controller with the device file dev sasd0 sasmgr add D dev sasd0 q raid q spare q enc_bay 1 8 Delete a RAID volume with volume ID 4 to the controller with the device file dev sasd0 sasmgr delete D dev sasd0 q raid q raid_vol 4 Delet...

Page 66: ...0 0 0 4 0 sdisk CLAIMED DEVICE HP 4 dev dsk c3t4d0 dev rdsk c3t4d0 disk 6 0 4 1 0 0 0 5 0 sdisk CLAIMED DEVICE HP e dev dsk c3t5d0 dev rdsk c3t5d0 dev dsk c3t5d0s1 dev rdsk c3t5d0s1 dev dsk c3t5d0s2 dev rdsk c3t5d0s2 dev dsk c3t5d0s3 dev rdsk c3t5d0s When the disk is removed or if it has completely failed the S W state will change to NO_HW In this example the failed disk is dev dsk c3t2d0 and its ...

Page 67: ...4 1 0 0 0 3 0 sdisk CLAIMED DEVICE HP DG072A8B54 dev dsk c3t3d0 dev rdsk c3t3d0 disk 5 0 4 1 0 0 0 4 0 sdisk CLAIMED DEVICE HP DG072A8B54 dev dsk c3t4d0 dev rdsk c3t4d0 disk 6 0 4 1 0 0 0 5 0 sdisk CLAIMED DEVICE HP HP IR Volume dev dsk c3t5d0 dev rdsk c3t5d0 dev dsk c3t5d0s1 dev rdsk c3t5d0s1 dev dsk c3t5d0s2 dev rdsk c3t5d0s2 dev dsk c3t5d0s3 dev rdsk c3t5d0s3 Recommendations Updating Physical D...

Page 68: ...ent disk unless you are sure that any existing data has been backed up Update to the Latest Drivers and Firmware Several important changes and updates have been released since the introduction of the HP 8 Internal Port SAS Controller HP recommends that you update to the latest version of the CommonIO and SerialSCSI 00 bundles For more information see the latest HP CommonIO Release Notes and HP Ser...

Page 69: ...e parts in their containers until they arrive at static free workstations Place parts on a grounded surface before removing them from containers Avoid touching pins leads or circuitry Always be properly grounded when handling a static sensitive component or assembly Grounding Use the following grounding methods when handling or installing electrostatic sensitive parts A wrist strap connected by a ...

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Page 71: ...Embedded 3 Gb s SAS Serial Attached SCSI Disk Drive and Enclosure Protocol Support 64 bit Architecture 2 internal SFF8484 x4 Wide SAS Connectors 12 Gb s per x4 Wide SAS Port 4 x 3 Gbps SAS Connectors 2 x4 Wide SAS Connectors Simultaneous Drive Transfer Ports 12 Gb s per x4 Wide SAS Port 4 x 3 Gb s Port Transfer Rate Yes 4MB flashable ROM Software Upgradeable Firmware 1 168TB 8 x 146GB SAS Drives M...

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