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HP StorageWorks 4x00/6x00/8x00 Enterprise
Virtual Array Updating Product Software Guide
(XCS 6.220)

Abstract

This guide describes how to upgrade controller software, disk drive firmware, and related EVA management
software on HP StorageWorks 4000/6000/8000 and 4100/6100/8100 Enterprise Virtual Array models.
These arrays are referenced as EVA4x00/6x00/8x00 throughout the document. This guide is intended for field
personnel and customers who are experienced with Enterprise Virtual Arrays, storage area networks, and HP
StorageWorks Command View EVA.

This guide does not provide information about upgrading or changing the Enterprise Virtual Array hardware.

Part Number: 5697-0459
Second edition: April 2010

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Summary of Contents for 6100

Page 1: ...8000 and 4100 6100 8100 Enterprise Virtual Array models These arrays are referenced as EVA4x00 6x00 8x00 throughout the document This guide is intended for field personnel and customers who are experienced with Enterprise Virtual Arrays storage area networks and HP StorageWorks Command View EVA This guide does not provide information about upgrading or changing the Enterprise Virtual Array hardwar...

Page 2: ... products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Acknowledgements Microsoft and Windows are U S registered trademarks of Microsoft Corporation Java is a US trademark of Sun Microsystems Inc Warranty WARRANTY STATEMENT To obtain a copy of the warranty for this produ...

Page 3: ...zing storage system I O using HP Command View EVAPerf 25 Tips for using HP Command View EVAPerf 25 HP Command View EVAPerf command options 26 Running HP Command View EVAPerf 26 Managing host I O timeouts for an online upgrade 29 HP UX 29 Default timeout values 29 IBM AIX 30 Checking or changing timeouts 30 Linux 30 Mac OS X 31 Microsoft Windows 31 Checking timeout values 31 NetWare 32 OpenVMS 32 S...

Page 4: ...ware on an individual disk 59 Step 7 Entering storage system passwords 59 Entering the password on the OCP 60 Enabling password access in HP Command View EVA 60 Step 8 Resuming storage system operation 61 Task checklist 62 4 Downgrading the Enterprise Virtual Array 65 5 Troubleshooting 67 Solving HP Command View EVA problems 67 General HP Command View EVA troubleshooting tips 67 Troubleshooting HP...

Page 5: ...rmation 75 Documents 75 Websites 75 Typographic conventions 76 Rack stability 77 Customer self repair 77 Index 79 HP StorageWorks 4x00 6x00 8x00 Enterprise Virtual Array Updating Product Software Guide XCS 6 220 5 ...

Page 6: ...de Load Storage System Page 1 window 51 12 Code Load Storage System Page 2 window 52 13 Initializing firmware code load 53 14 Storage system updating firmware 53 15 Verifying XCS version after upgrading 54 16 Code Load Selection window disk drives 56 17 Code Load Disk Drives Page 1 window 56 18 Code Load Disk Drives Page 2 window 57 19 Code Load Disk Drives status window 58 20 Code Load Disk Drive...

Page 7: ...ngs 30 4 XCS 6 220 Pre upgrade task checklist 42 5 Upgrade task checklist 62 6 Possible causes and corrective actions for HTTP 404 and HTTP 503 errors 69 7 Possible causes and corrective actions when no storage system found 70 8 Document conventions 76 9 HP StorageWorks 4x00 6x00 8x00 Enterprise Virtual Array Updating Product Software Guide XCS 6 220 7 ...

Page 8: ...8 ...

Page 9: ...e EVA controller software is upgraded while the controllers are receiving I O the controllers resynchronize simultaneously and both hosts and applications continue to run The resynchronization during an online upgrade represents a single disruption of I O not the multiple disruptions seen with some upgrade types However you must consider host and ap plication timeouts when doing an online upgrade ...

Page 10: ...ocumentation http www hp com support manuals Click Disk Storage Systems under Storage and then select either HP StorageWorks 4000 6000 8000 Enterprise Virtual Arrays HP StorageWorks 4100 Enterprise Virtual Array HP StorageWorks 6100 Enterprise Virtual Array or HP StorageWorks 8100 Enterprise Virtual Array under EVA Disk Arrays HP StorageWorks 4x00 6x00 8x00 Enterprise Virtu al Array User Guide Yes...

Page 11: ... Reference See Table 1 for document location You must also obtain a supported version of HP Command View EVA When you purchase HP Command View EVA you can choose to receive a software CD or an E Delivery kit If you choose an E Delivery kit you will receive an email from HP with download instructions NOTE For E Delivery kits be sure to save the HP mail with the download instructions You will need t...

Page 12: ...r select All Support Agreements 6 Under How would you like to view the updates select By release and click Next 7 Select the version of HP Command View EVA that you want to download by checking the appro priate box and click Next 8 Review the Delivery address information for physical CD delivery or select the location for the image file to be stored and click Submit If you have questions or requir...

Page 13: ...upgrade your controller software To check your controller software version follow these steps 1 Open HP Command View EVA on the management server 2 In the Navigation pane select the array you plan to upgrade The Initialized Storage System Properties window opens The version field shows the current version Checking current software versions Estimated time to complete 10 15 minutes When to perform A...

Page 14: ...age 37 1 Open or browse to HP StorageWorks Replica tion Solutions Manager 2 Select Help About in the menu bar The ver sion of HP Replication Solutions Manager server is displayed 4 0 1 HP Replication Solutions Manager if installed Upgrading browser and Java Runtime Environment JRE on page 36 1 Open Windows control panel 2 Double click the Java icon 3 On the General tab click About The version of J...

Page 15: ...Network Properties window opens Figure 1 HSV Storage Network Properties window 2 Click Help in the Session pane The full version is displayed in the top right window bar If the version listed is earlier than the minimum supported version it must be upgraded Figure 2 HP Command View EVA online help TIP The version number is also shown at the bottom of the logon screen Checking the storage system ha...

Page 16: ...e system you want to upgrade Check for hardware errors a Check the Hardware folder in the Navigation pane If there are any hardware caution or warning conditions HP Command View EVA displays the appropriate icon over the folder b Click the Hardware folder to expand the navigation tree The Hardware Folder Properties window opens The Operational State field indicates if there is a hardware problem F...

Page 17: ...at may require upgrade When to perform Any time prior to the upgrade It is important to ensure that your SAN environment meets the configuration requirements of XCS 6 220 This includes HBA firmware system drivers and Fibre Channel switch firmware Do the following tasks Identify all host servers Document all firmware versions Download all needed HBA drivers Download all needed firmware The SAN Visi...

Page 18: ...install the software Using SAN Visibility Before running SAN Visibility for the first time you will need the following information The IP addresses of the switches in your SAN connected to the storage system being upgraded You must have SNMP access to the switches to collect information from them The name or IP address of your SMTP mail server to send reports automatically NOTE For complete and cu...

Page 19: ...b Click Rename c Click Yes to confirm the name change d Select the fabric in the tree view e Enter a name in Switch Group Name You can use the default fabric name but HP recommends that you change it to a name that is meaningful to you This name is used when generating reports so it should be one that is easily recognized as being associated with the fabric on which data collection will be done f ...

Page 20: ...the devices connected to the switch If you want to include all the switches leave this option selected to include discovery of subnet switches also select Subnet c Enter the switch login and password if required The Read Community value is obtained from the switch d If you have created more than one fabric use the Select Switch Group drop down list to select the fabric to which you want to add thi...

Page 21: ...tomatically when creating a report select Automatically e mail the collected raw data on completion e Click Next to save and proceed NOTE For information on using Advanced Settings see the SAN Visibility user guide Creating a report Once you have configured SAN Visibility for data collection you can create a report There are two methods for creating a report Automatically Automatically e mails the...

Page 22: ...ed in the message area on successful completion of data collection If you have selected the option to collect switch performance data it will take at least 10 minutes to collect the data When data collection is complete the raw data is sent to HP The report is processed and the formatted report returned to you within one business day 7 When you receive the formatted report save it to a temporary l...

Page 23: ...llowing e mail address SAN_Visibility hp com An automated email response is mailed back confirming the receipt of the raw data file The report will be processed and the formatted report returned to you within one business day 9 When you receive the formatted report save it to a temporary location on the management server A sample report is shown in Figure 5 Figure 5 Sample SAN Visibility report Re...

Page 24: ...pgrade the array performs a resynchronization During the resyn chronization host I O is queued to the host which can create a backlog of requests for processing when the array is able to respond The resynchronization may take less than a minute but the backlog of requests may take time to clear and some host I O may experience timeouts The HP recommended driver timeout values are 60 seconds When a...

Page 25: ... EVAPerf to identify periods of low I O activity during which you can safely perform on online upgrade of the storage system firmware Use the following tips to ensure that you select an appropriate period during which I O is low and remains low NOTE Before using HP Command View EVAPerf you may want to configure friendly names to simplify identifying your storage systems virtual disks and hosts See...

Page 26: ...r example collect data once every 10 minutes for a period of 6 hours around the time of day you expect to do the upgrade This is to familarize yourself with characteristic IOPS and throughput values For example the following command will capture data at 10 minute intervals for 6 hours 60 10 for 6 hours 60 60 6 on an array named EVA1 and store the output in a file named EVA_upgrade evaperf as cont ...

Page 27: ...formation will appear similar to that in Figure 6 Activity is reported separately for each controller accessing a virtual disk The total activity for each virtual disk is the sum of the reported activity for each controller A virtual disk may also be a snapshot snapclone or a DR group member In the output logical unit number LUN is used interchangeably with virtual disk Virtual disks must be prese...

Page 28: ...om initiation to informa tion receipt from the physical disks Read Miss Latency The number of write requests per second completed to a virtual disk that were received from all hosts Write requests may include transfers from a source array to this array for data replication and host data written to snapshot or snapclone volumes Write Req s The rate at which data is written to the virtual disk by al...

Page 29: ...e proper operation with the storage system These values are appropriate for most storage system operations including online controller software upgrades In general host LUN timeouts of 60 seconds or more are adequate to accommodate an online upgrade In most situations it will not be necessary to alter these settings to perform an online controller software upgrade If any host timeout values have b...

Page 30: ...he path health checking feature nonactive Checks all I O paths for Failed status and checks standby paths for Used Opened devices nonactive hcheck_mode Sets the queue depth 8 queue_depth Sets the reserve policy to standard SCSI 2 reservations Single path reserve_policy Sets the read write timeout to 60 seconds 60 rw_timeout Linux The following configuration recommendations apply to both RedHat and...

Page 31: ...device during an online upgrade By default the page file disk is on the boot device you must change the location of the page file disk if the EVA is being used as a boot device and you want to perform a controller software upgrade online See your Windows docu mentation for instructions on changing the location of the page file disk If the array being upgraded is used as a quorum disk in a Microsof...

Page 32: ... cluster boot device Solaris Solaris supports online controller upgrades with the following driver timeouts Sun Drivers qlc or emlxs 60 seconds QLogic qla2300 60 seconds Emulex lpfc 60 seconds Checking or changing timeouts For Sun drivers add the following lines to etc system file set sd sd_io_time 60 set ssd ssd_io_time 60 For QLogic edit the kernel drv qla2300 conf file and change the hbax link ...

Page 33: ...er specific directory When executed the options to change timeout values are displayed NOTE The timeout values must be increased for Emulex single path without multipath support and QLogic single path being used in the environment This is not only important for online upgrades but for general data integrity Online controller firmware upgrades are supported with Xen Citrix boot devices Managing app...

Page 34: ...backup should be scheduled as close to the upgrade process as possible For more information about establishing and implementing good backup procedures for the EVA contact your HP sales representative Upgrading HP Command View EVA NOTE Before starting the upgrade check the release notes for the version to which you are upgrading for any details on the upgrade process Estimated time to complete 15 2...

Page 35: ...tion You must add at least one CIM administrator account to CIMOM after completing the installation See Managing users in HP SMI S EVA in the HP Command View EVA installation guide for more information A trust relationship between HP Command View EVA and HP SMI S EVA is established automatically when you install HP SMI S EVA As a result HP Command View EVA accepts all HP SMI S EVA queries Verifyin...

Page 36: ...P Insight Remote Support software to complete the installation or upgrade of your product and to enable enhanced delivery of your HP Warranty HP Care Pack Service or HP contractual support agreement HP Insight Remote Support supplements your monitoring 24x7 to ensure maximum system availability by providing intelligent event diagnosis and automatic secure submission of hardware event notifications...

Page 37: ...er Go to the Sun website www sun com and download the required JRE Estimated time to complete 10 20 minutes When to perform Any time prior to the upgrade If HP Replication Solutions Manager is installed you must upgrade it to the minimum required version see Checking current software versions on page 13 HP Replication Solutions Manager is an optional interface for HP Business Copy EVA and HP Conti...

Page 38: ... the storage system you want to upgrade 2 Using HP Command View EVA examine the controller event log and check for any critical events a Select the icon of the storage system you want to upgrade in the Navigation pane b Click View Events The View Events window opens c Click Controller Event Log The Controller Events window opens in a new browser window Figure 7 Controller Events Initialized system...

Page 39: ...d time to complete Varies depending on replication configuration When to perform As close as possible to the upgrade When upgrading an EVA in an HP Continuous Access EVA environment the following requirements must be met Before you upgrade any storage system in an HP Continuous Access EVA relationship ensure that all storage systems in the storage network are running the same version of controller...

Page 40: ...t Verify that all DR groups are not failsafe mode enabled or in the failsafe locked state DR group failsafe mode should be disabled Suspend replication and disable the intersite link or modify zoning to isolate the source array from the destination array Upgrade the disk drive firmware on the destination array Re establish intersite link communication between the arrays and resume replication allo...

Page 41: ...resultant configuration files would be LargeEVA_Step1A txt LargeEVA_Step1B etc Files which do not contain configuration information are not created and therefore are not available to be restored The contents of the configuration files can be viewed with a text editor 5 Enter exit TIP When capturing the HP Command View EVA configuration it is a best practice to specify the SAVE ALL option This help...

Page 42: ... 15 20 minutes When to perform 1 2 weeks prior to the upgrade and then daily until the upgrade is complete Provide enough time to order and replace any failed components Checking and upgrading your SAN infrastructure page 17 Time required After collecting and evaluating data on your configuration over several weeks a determination can be made regarding the appropriate time to do the upgrade When t...

Page 43: ...ity page 38 Time required 25 35 minutes When to perform 48 hours before the upgrade Preparing an HP Continuous Access EVA environment for upgrading page 39 Time required Varies depending on replication configuration When to perform As close as possible to the upgrade Saving storage system configuration information page 40 Time required 10 15 minutes When to perform As close as possible to the upgr...

Page 44: ...Pre upgrade tasks 44 ...

Page 45: ... the XCS upgrade procedure see Troubleshooting on page 67 for assistance If you are still unable to resolve the problem contact your HP authorized service representative for assistance Step 1 Checking the health of the Enterprise Virtual Array Estimated time to complete 20 30 minutes Before upgrading your Enterprise Virtual Array perform a final check of the overall status of all components The pr...

Page 46: ...h an attention or warning icon on it d Click the component icon to display the properties window The Operational state box indicates if there is a hardware error Figure 9 Checking operational states 2 Verify that there are no hardware components in the Unmappable Hardware folder a Expand the navigation tree under the Hardware folder in the Navigation pane b Click the Unmappable Hardware folder Har...

Page 47: ...ayed If more than 400 events have occurred within the last 48 hours use the Display Range box to select the preceding events Figure 10 Controller Events Initialized system page e If Critical events have occurred within the last 48 hours perform the steps outlined in the corrective action codes to correct the problems In some cases it may be necessary to call your HP authorized service representati...

Page 48: ...upport Software while performing the upgrade as follows 1 On the management server open a command window 2 Enter the following command to stop Remote Support Software C net stop desta_service 3 Enter exit Step 3 Clearing storage system passwords Estimated time to complete 10 15 minutes If you use passwords on the controllers use the following procedure to clear them NOTE When you clear a system pa...

Page 49: ...System Password Access window opens 4 Click Disable The Disable Password Access to Storage System window opens 5 Select the storage system World Wide Node Name from the drop down list NOTE Make sure you select the storage system from which you cleared passwords using the OCP on the controller 6 Click Disable Password A confirmation box opens 7 Click Yes to disable the password Step 4 Halting all h...

Page 50: ...nged in any way If any configurations changes are in progress monitor them using HP Command View EVA and wait until they are completed before proceeding with the upgrade Upgrading controller software IMPORTANT If upgrading from XCS 5 1x0 to 6 220 all source and destination DR groups must be in synchronous mode before upgrading Check each DR group to verify this setting before proceeding 1 Open HP ...

Page 51: ...owse navigate to the installation CD that was created from the downloaded ISO image and select the appropriate file as shown in the following table Select For this array HSV210 6220 210_6220 SSS EVA8000 8100 HSV200 6220 200_6220 SSS EVA4000 4100 EVA 6000 6100 HP StorageWorks 4x00 6x00 8x00 Enterprise Virtual Array Updating Product Software Guide XCS 6 220 51 ...

Page 52: ...ad them before continuing Figure 14 shows an example Figure 13 Code Load Storage System Page 2 window 7 Click Next Step The new storage system software is copied to the controllers and validated A sliding bar progress screen is updated as the code segments are validated Upgrading the Enterprise Virtual Array 52 ...

Page 53: ...omplete the controllers begin processing host I Os Next code within the storage system is updated which can take up to 10 minutes to complete This includes firmware on the EMU and I O modules in the disk enclosures During this interval the Storage System Updating Firmware window opens See Figure 15 Figure 14 Initializing firmware code load Figure 15 Storage system updating firmware 9 Click Finish ...

Page 54: ...of the controllers the array may not be visible from HP Command View EVA Either wait at least 15 minutes for the array to reappear or reboot the server if necessary Step 6 Upgrading disk drive firmware Estimated time to complete Varies depending on the number of disk drives that require upgrading and the I O load on the storage system It can take 30 seconds to 3 5 minutes per drive to upgrade the ...

Page 55: ...hat were upgraded before the error occurred do not have to be upgraded again Check the logs to verify status When you restart the process it starts at the next disk that needs the upgrade Upgrading the firmware on all disks Upgrade the disk drive firmware after you upgrade the system software 1 Validate that adequate free space is available to manage disk failures that might occur after the disk f...

Page 56: ...On Line and click Select The Code Load Disk Drives On Line Page 1 window opens Figure 18 Code Load Disk Drives Page 1 window 8 Do one of the following a If you are running HP Command View EVA 9 x or later click Browse and navigate to the zip file or manually enter the path to the zip file from Step 3 a b If you are running HP Command View EVA 8 x or earlier enter the path to the folder where you e...

Page 57: ...mation and upgrade eligibility The results are displayed in a table when the Online Disk Drive Code Load Page 2 window opens Figure 19 Code Load Disk Drives Page 2 window HP StorageWorks 4x00 6x00 8x00 Enterprise Virtual Array Updating Product Software Guide XCS 6 220 57 ...

Page 58: ...ct any array in the Navigation pane to manage it the disk drive upgrade stops For example if 10 of 27 drives have completed the upgrade when you selected the array only those 10 drives will be upgraded If you run a second disk drive upgrade the Status box on the Status window displays NO for the 10 drives that have been upgraded and the remaining 17 drives are not upgraded Figure 20 Code Load Disk...

Page 59: ...p that contains Vraid0 virtual disks If so the disk must be ungrouped before the disk drive firmware can be upgraded Step 7 Entering storage system passwords Estimated time to complete 10 15 minutes NOTE This step is only required if you use password protection on the storage system When you add a system password to the controller you must also enable password access in HP Command View EVA The two...

Page 60: ...AA is displayed 4 Press or to select the desired character 5 Press to accept this character and select the next character 6 Repeat the process to enter the remaining password characters 7 Press Enter to enter the password and return to the default display Enabling password access in HP Command View EVA Estimated time to complete 10 minutes After entering a password on the OCP you must enable passw...

Page 61: ... firmware have been successfully upgraded the storage system can be returned to normal operation 1 Using HP Command View EVA check the overall status of the storage system to ensure there are no problems For instructions on checking the status see Step 1 Checking the health of the Enterprise Virtual Array on page 45 2 If you did on offline upgrade perform the following steps a Restart any host ser...

Page 62: ...ware problems No hardware components in the Unmappable Hardware folder No critical events entered in the controller event log within the last 48 hours Storage system configuration is stable and no configuration changes have been made within the last 48 hours Step 2 Disabling Remote Support Software page 48 Time required 10 15 minutes Step 3 Clearing storage system passwords page 48 Time required 1...

Page 63: ... applications accessing the storage system if an offline upgrade was per formed When running HP Continuous Access EVA enable failsafe mode on all DR groups If you changed any host LUN timeout values reset them to their original values Enable Remote Support Software if used HP StorageWorks 4x00 6x00 8x00 Enterprise Virtual Array Updating Product Software Guide XCS 6 220 63 ...

Page 64: ...Upgrading the Enterprise Virtual Array 64 ...

Page 65: ... downgrade is allowed in your configuration and if so to schedule the procedure However downgrading from XCS 6 220 to XCS 6 200 does not require reinitializing the storage system IMPORTANT If you are using a B controller you cannot downgrade to any version earlier than XCS 6 110 The HSV200 B and HSV210 B controllers require a minimum version of XCS 6 110 HP StorageWorks 4x00 6x00 8x00 Enterprise V...

Page 66: ...Downgrading the Enterprise Virtual Array 66 ...

Page 67: ...ew EVA Has an HBA failed Has an EVA controller failed Have you set or reset the password Troubleshooting HP Command View EVA with a management server Use the following steps to isolate problems that may occur when using HP Command View EVA with a management server 1 Check the HP StorageWorks Enterprise Virtual Array compatibility reference to ensure that the version of HP Command View EVA you are ...

Page 68: ...and View EVA cannot build the view of the storage system Resolution Click OK Wait one to five minutes depending on the size of the storage system and try the command generating this message again If you still cannot see the storage system stop and restart HP Command View EVA HTTP status 404 not found or status 503 no service Symptom The content pane shows an HTTP Status 404 Not Found or HTTP Statu...

Page 69: ...ce and HP Command View EVA are up Browser timeout The appliance may be down or the web server may be unavailable when a browser makes a re quest to HP Command View EVA In this case the browser will time out internally Unknown storage system Symptom HP Command View EVA reports an unknown storage system for a storage system that should be displayed Cause of the error HP Command View EVA may have los...

Page 70: ...nd Corrective Action Possible Cause Check the connection configuration between the management server and the controller pair The management server must have a communication path to both controllers in case one controller loses communications with the server The management server may not be able to communicate with either controller Enter the correct password through HP Command View EVA or disable ...

Page 71: ...Members have view and manage capabilities HP Storage Users Members have view capability only This group is required only when a group with extremely limited use of HP Command View EVA is required Access control 1 The user s security group is checked to control access to various functions and web pages with HP Command View EVA 2 If the user belongs to the HP Storage Admins group access is granted 3...

Page 72: ... with HP Continuous Access EVA The following website provides access to information for troubleshooting problems with HP Continuous Access EVA http h20000 www2 hp com bizsupport TechSupport Home jsp lang en cc us prodTypeId 18964 prodSeriesId 471572 lang en cc us Click Troubleshoot a problem under Tasks for HP StorageWorks Continuous Access EVA Software Solving problems downloading the system soft...

Page 73: ... validated by the controller HP Command View EVA monitors each segment transfer and displays the transfer status information If a problem occurs the process stops and HP Command View EVA displays the segment transfer that was not successful This is typically caused by a problem in the XCS controller firmware image file or the selection of the wrong firmware image file See Figure 26 If this error o...

Page 74: ...ring the upgrade process both controllers perform a resynchronization simultaneously This invokes a fast restart of the controllers bypassing execution of lengthy hardware diagnostics This fast restart allows the controllers to complete the resynchronization sequence before the host timeout period elapses and the host becomes aware that the storage system is unavailable If an event occurs that cau...

Page 75: ...receive e mail notification of product enhancements new driver versions firmware updates and other product resources Documentation feedback HP welcomes your feedback To make comments and suggestions about product documentation please send a message to storagedocsfeedback hp com All submissions become the property of HP Related information Documents For documents referenced in this guide see the Ma...

Page 76: ...nt such as a box GUI elements that are clicked or selected such as menu and list items buttons tabs and check boxes Bold text Text emphasis Italic text File and directory names System output Code Commands their arguments and argument values Monospace text Code variables Command variables Monospace italic text Emphasized monospace text Monospace bold text Indication that the example continues An al...

Page 77: ... installations fasten racks together securely Extend only one rack component at a time Racks can become unstable if more than one component is extended Customer self repair HP customer self repair CSR programs allow you to repair your StorageWorks product If a CSR part needs replacing HP ships the part directly to you so that you can install it at your convenience Some parts do not qualify for CSR...

Page 78: ...Support and other resources 78 ...

Page 79: ...sabling passwords 49 document conventions 76 related information 75 downgrading 65 E Enable Password Access to a Storage System page 61 enabling passwords 60 EVA health check 16 38 45 EVAPerf 25 H hardware errors 16 46 help obtaining 75 host I O timeouts managing 29 HP technical support 75 HP Command View EVA checking hardware 16 46 checking version 15 disabling passwords 49 enabling passwords 60 ...

Page 80: ...ecking hardware 16 46 checking status 16 38 45 passwords 60 Storage System Password Access page 49 Subscriber s Choice HP 75 symbols in text 76 T technical support HP 75 service locator website 75 text symbols 76 time estimate adding passwords 59 checking EVA health 16 38 45 clearing passwords 48 disabling password access 49 enabling password access 60 troubleshooting HP Command View EVA errors 68...

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