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Sun Microsystems 6900, 3900 manual Troubleshooting the Fibre Channel FC Links

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C H A P T E R 5

Troubleshooting the Fibre Channel (FC) Links

FC links diagnose Sun StorEdge network FC components in a SAN or a direct attached storage (DAS) environment. linktest(1M), which tests the health of the FC links, is available only from the Test from Topology view of the Storage Automated Diagnostic Environment GUI.

Note –linktesttests both ends of the link segment and enters a guided isolation when a fault is detected.

Faults can be detected in one of two ways: when linktest sends an alert on a bad or intermittent link, or when a red link appears on the topology graph, indicating a failure.

This chapter contains the following sections:

■“FC Links” on page 38

■“Troubleshooting the A1 or B1 FC Link” on page 42

■“Troubleshooting the A2 or B2 FC Link” on page 49

■“Troubleshooting the A3 or B3 FC Link” on page 54

■“Troubleshooting the A4 or B4 FC Link” on page 60

Sun Proprietary/Confidential: Internal Use Only

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Sun Microsystems 6900, 3900 Troubleshooting the Fibre Channel FC Links, Sun Proprietary/Confidential Internal Use Only

Contents

Sun Microsystems, Inc 4150 Network Circle Santa Clara, CA 95054 U.S.A Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting GuideMarch 2003, Revision A Send comments about this document to docfeedback@sun.comPlease Recycle Sun Proprietary/Confidential Internal Use Only Contents4. Troubleshooting Ethernet Hubs 3. Troubleshooting Tools5. Troubleshooting the Fibre Channel FC Links Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only 6. Troubleshooting Host Devices7. Troubleshooting Switches setupswitch Exit Values8. Troubleshooting the Sun StorEdge T3+ Array Devices 9. Troubleshooting Virtualization Engine DevicesSun Proprietary/Confidential Internal Use Only 10. Troubleshooting Using Microsoft WindowsConfiguration Utility Error Messages Example of Fault IsolationSun Proprietary/Confidential Internal Use Only Virtualization Engine ReferencesSun Proprietary/Confidential Internal Use Only List of FiguresA4 or B4 FC Link Data-Host Notification Sun Proprietary/Confidential Internal Use OnlyRecovered Paths Successful Switch Test ResultsSun Proprietary/Confidential Internal Use Only List of FiguresSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only List of TablesSun Proprietary/Confidential Internal Use Only Virtualization Engine Error MessagesTABLE A-5 TABLE B-1Preface How This Book Is OrganizedSun Proprietary/Confidential Internal Use Only Using UNIX Commands Solaris Handbook for Sun PeripheralsSun Proprietary/Confidential Internal Use Only Typographic Conventions Shell PromptsSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Related DocumentationProduct TitleSun Proprietary/Confidential Internal Use Only SwitchSANbox-8/16 Segmented Loop FCSun Welcomes Your Comments Accessing Sun Documentation Onlinedocfeedback@sun.com Sun Proprietary/Confidential Internal Use OnlyIntroduction TABLE 1-1 Sun StorEdge 3900 and 6900 Series ConfigurationsSun Proprietary/Confidential Internal Use Only Predictive Failure Analysis PFA Capabilities 2 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only General Troubleshooting Procedures High-Level Troubleshooting TasksSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Storage Automated Diagnostic Environment alerts or email messagesSun Proprietary/Confidential Internal Use Only Chapter 2 General Troubleshooting ProceduresStorage Service Processor-Side Troubleshooting Host-Side Troubleshooting8. Verify the fix using the following tools 9. Return the path to service with one of the following methodsVerifying the Configuration Settings To Verify Configuration SettingsSun Proprietary/Confidential Internal Use Only CODE EXAMPLE 2-1 checkdefaultconfig1M Output # /opt/SUNWsecfg/checkdefaultconfigSun Proprietary/Confidential Internal Use Only 3. Fix the FAIL condition, and then verify the settings again # /opt/SUNWsecfg/bin/checkt3config -n t3b0Sun Proprietary/Confidential Internal Use Only Clearing the Lock File To Clear the Lock FileSun Proprietary/Confidential Internal Use Only Chapter 2 General Troubleshooting Procedures Sun StorEdge 6900 Series Multipathing ExampleSwitch Switch12 Sun StorEdge 3900 and 6900 2.0 Series Troubleshooting Guide March Sun Proprietary/Confidential Internal Use OnlyFIGURE 2-2 Primary Data Paths to the Alternate Master FIGURE 2-3 Primary Data Paths to the Master Sun StorEdge T3+ Array Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only which illustrates a path failure before the second tier of switchesFIGURE 2-5 Path Failure-I/O Routed Through Both HBAs Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only Multipathing Options in the Sun StorEdge 6900 Series# /usr/sbin/luxadm display ClassManually Halting the I/O To Unconfigure the c2 PathTo Quiesce the I/O Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only Suspending the I/OTo Put the c2 Path Back into Production # cfgadm -c configure c22b000060220041f4Sun Proprietary/Confidential Internal Use Only c20t2B000060220041F4d0s2 c23t2B000060220041F9d0s2 To View the Dynamic Multi-Pathing DMP Propertiesstate=enabled state=enabledSun Proprietary/Confidential Internal Use Only # /usr/sbin/luxadm display /dev/rdsk/c20t2B000060220041F4d0s2# luxadm display /dev/rdsk/c23t2B000060220041F9d0s2 # vxdmpadm enable ctlr=cn To Put the DMP-Enabled Paths Back into Production# vxdmpadm listctlr all 22 Sun StorEdge 3900 and 6900 2.0 Series Troubleshooting Guide MarchTroubleshooting Tools Storage Automated Diagnostic EnvironmentSun Proprietary/Confidential Internal Use Only Example Topology FIGURE 3-1 Storage Automated Diagnostic Environment Example TopologySun Proprietary/Confidential Internal Use Only Generating Component-Specific Event Grids To Customize an Event ReportSun Proprietary/Confidential Internal Use Only Microsoft Windows 2000 System Errors Sun Proprietary/Confidential Internal Use OnlyFIGURE 3-2 Microsoft Windows 2000 Event Properties System Log Command Line Test Examples qlctest1MSun Proprietary/Confidential Internal Use Only switchtest1M switchtest called with options dev=2192.168.0.300x0xfersize=200Sun Proprietary/Confidential Internal Use Only Collection Utility Monitoring Sun StorEdge T3 and T3+ Arrays Using the Explorer Datahttp//webhome.eng/mdeSW/Project/Explorer.html Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only ExampleSun Proprietary/Confidential Internal Use Only You can now run /opt/SUNWexplo/bin/explorer for information about the Storage Service Processor operating system, the Sun StorEdge network FC switch- 8 or switch-16 switch, and Sun StorEdge T3+ array information that you can use for troubleshooting purposesSun Proprietary/Confidential Internal Use Only Monitoring Host Bus Adapters HBAs Using QLogic SANblade ManagerChapter 3 Troubleshooting Tools Sun Proprietary/Confidential Internal Use OnlyFIGURE 3-3 Qlogic SANblade Manager HBA Driver and Firmware Versions FIGURE 3-4 QLogic SANblade Manager Diagnostics 34 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Troubleshooting Ethernet HubsSun Proprietary/Confidential Internal Use Only 36 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Troubleshooting the Fibre Channel FC LinksFC Links Sun Proprietary/Confidential Internal Use OnlyLinks FC Link Diagrams Sun Proprietary/Confidential Internal Use OnlyHOST TABLE 5-2 Ax to Bx FC Links Sun Proprietary/Confidential Internal Use OnlyFIGURE 5-2 Sun StorEdge 6900 Series FC Link Diagram Chapter 5 Troubleshooting the Fibre Channel FC LinksSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Troubleshooting the A1 or B1 FC LinkFIGURE 5-3 Data Host Notification of Intermittent Problems FIGURE 5-4 Data Host Notification of Severe Link ErrorSun Proprietary/Confidential Internal Use Only FIGURE 5-5 Storage Service Processor Notification 44 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Verifying the Data Host# /usr/sbin/luxadm display StateSun Proprietary/Confidential Internal Use Only FRU Tests Available for the A1 or B1 FC Link SegmentChapter 5 Troubleshooting the Fibre Channel FC Links CODE EXAMPLE 5-3 switchtest1M Called With Options# /opt/SUNWstade/Diags/bin/switchtest -v -o dev=2192.168.0.300 Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only To Isolate the A1 or B1 FC LinkTroubleshooting the A2 or B2 FC Link Sun Proprietary/Confidential Internal Use OnlyFIGURE 5-6 A2 or B2 FC Link Host-Side Event FIGURE 5-7 A2 or B2 FC Link Storage Service Processor-Side Event 50 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Verifying the Data Host Chapter 5 Troubleshooting the Fibre Channel FC LinksSun Proprietary/Confidential Internal Use Only # /usr/sbin/cfgadm -alFRU Tests Available for the A2 or B2 FC Link Segment Verifying the A2 or B2 FC LinkTo Isolate the A2 or B2 FC Link 3. Insert the loopback connector in to the switch port6. Return the path to production Sun Proprietary/Confidential Internal Use OnlyTroubleshooting the A3 or B3 FC Link Sun Proprietary/Confidential Internal Use OnlyFIGURE 5-8 A3 or B3 FC Link Host-Side Event FIGURE 5-9 A3 or B3 FC Link Storage Service Processor-Side Event FIGURE 5-10 A3 or B3 FC Link Storage Service Processor-Side EventSun Proprietary/Confidential Internal Use Only Verifying the Data Host 56 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only # cfgadm -alFRU Tests Available for the A3 or B3 FC Link Segment Verifying the Storage Service Processor-Sidevxvmvxdmp disabled path 118/0x1f8 belonging to the dmpnode 231/0xd0 Sun Proprietary/Confidential Internal Use OnlyTo Isolate the A3 or B3 FC Link 58 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Quiescing the I/O on the A3 or B3 Link # /usr/bin/vxdmpadm disable ctlr=cnSuspending the I/O on the A3 to B3 Link # /usr/bin/vxdmpadm listctlr allTroubleshooting the A4 or B4 FC Link Sun Proprietary/Confidential Internal Use OnlyFIGURE 5-11 A4 or B4 FC Link Data-Host Notification FIGURE 5-12 Storage Service Processor-Side Notification Chapter 5 Troubleshooting the Fibre Channel FC LinksSun Proprietary/Confidential Internal Use Only Sun StorEdge 6900 Series Sun StorEdge 3900 Series62 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March Verifying the Data HostSun Proprietary/Confidential Internal Use Only Chapter 5 Troubleshooting the Fibre Channel FC Links# /usr/sbin/luxadm display /dev/rdsk/c26t60020F200000644 StateTo Isolate the A4 or B4 FC Link FRU Tests Available for the A4 or B4 FC Link Segment64 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March configuredSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only 66 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchUsing the Host Event Grid Troubleshooting Host DevicesTo Access the Host Event Grid Sun Proprietary/Confidential Internal Use Only68 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March Sun Proprietary/Confidential Internal Use OnlyFIGURE 6-1 Sample Host Event Grid Troubleshooting Host Devices Sun Proprietary/Confidential Internal Use OnlyChapter Sun Proprietary/Confidential Internal Use Only 70 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchReplacing the Master, Alternate Master, and Slave Monitoring Host To Replace the Master HostSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only To Replace the Alternate Master or Slave Monitoring HostTroubleshooting Switches About the SwitchesSun Proprietary/Confidential Internal Use Only 1. Offline the T ports interswitch links Zone Modifications4. Online the T ports interswitch links Sun Proprietary/Confidential Internal Use OnlySwitchless Configurations Diagnosing and Troubleshooting Switch Hardware ProblemsSun Proprietary/Confidential Internal Use Only # restoreswitch -s switch 76 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Using the Switch Event Grid To Use the Switch Event GridSun Proprietary/Confidential Internal Use Only 78 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March switch diag156-sw1bSun Proprietary/Confidential Internal Use Only ip=192.168.0.31 ”Description Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only 80 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only 82 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only 84 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide Marchthe /var/adm/log/SEcfglog file setupswitch Exit ValuesSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only 86 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchSun Proprietary/Confidential Internal Use Only Troubleshooting the Sun StorEdge T3+ Array DevicesSun Proprietary/Confidential Internal Use Only Troubleshooting the T1 or T2 Data PathA port on the switch has logged out of the fabric and gone offline Notification EventsSun Proprietary/Confidential Internal Use Only FIGURE 8-1 shows a typical port failure eventSun Proprietary/Confidential Internal Use Only 90 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide MarchFIGURE 8-2 Virtualization Engine Alert continued on next pageChapter 8 Troubleshooting the Sun StorEdge T3+ Array Devices Sun Proprietary/Confidential Internal Use Onlycontinued from previous page Sun Proprietary/Confidential Internal Use Only To Verify the Storage Service ProcessorRun the switchtest to test the switches FRU Tests Available for the T1 or T2 Data Path FRUChapter 8 Troubleshooting the Sun StorEdge T3+ Array Devices Sun Proprietary/Confidential Internal Use OnlyTo Isolate the T1 or T2 Data Path Sun Proprietary/Confidential Internal Use Only2. After replacing the failed FRU, run failbackt3path , if needed Sun StorEdge T3+ Array Event Grid To Use the Sun StorEdge T3+ Array Event GridSun Proprietary/Confidential Internal Use Only 96 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide March Sun Proprietary/Confidential Internal Use OnlyTABLE 8-1 lists all of the events for the Sun StorEdge T3+ array Value Description Sun Proprietary/Confidential Internal Use Onlyencid12 Run refresh -s toSun Proprietary/Confidential Internal Use Only 98 Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide Marchwith fru stat fru statSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only enable uand sysstat Run loggerSun Proprietary/Confidential Internal Use Only or volstat Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only Troubleshooting Virtualization Engine Devices About the Virtualization EngineSun Proprietary/Confidential Internal Use Only Service Request Numbers SRNs Virtualization Engine DiagnosticsService and Diagnostic Codes Retrieving Service InformationTo Display the Log Files and Retrieve SRNs Error Log Analysis CommandsChapter 9 Troubleshooting Virtualization Engine Devices Sun Proprietary/Confidential Internal Use OnlyTo Clear the Log Virtualization Engine LEDsExample Sun Proprietary/Confidential Internal Use OnlyPower LED Codes Interpreting LED Service and Diagnostic CodesSun Proprietary/Confidential Internal Use Only Ethernet Port LEDs Back Panel FeaturesSun Proprietary/Confidential Internal Use Only FIGURE 9-2 Virtualization Engine Back PanelFC Link Error Status Report To Check the FC Link Error Status ManuallySun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Daemon error check the SLIC routerNote -v1 represents the first virtualization engine pair # /opt/svengine/sduc/svstat -dTranslating Host-Device Names Sun Proprietary/Confidential Internal Use OnlyCODE EXAMPLE 9-2 luxadm Output for a Host Device 1. Use the format -e command Displaying the VLUN Serial NumberSun Proprietary/Confidential Internal Use Only 3. Type inquiry at the scsi promptSun Proprietary/Confidential Internal Use Only To Display Sun StorEdge Traffic Manager MPxIO-Enabled DevicesViewing the Virtualization Engine Map Sun Proprietary/Confidential Internal Use Only1. To view the virtualization engine map, type Determining the virtualization engine pairs on the system Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only To Failback the Virtualization EngineCODE EXAMPLE 9-3 Multipath Drive Summary CODE EXAMPLE 9-4 Sun StorEdge T3+ array and Disk Pool NameSun Proprietary/Confidential Internal Use Only a. If no failures occur, the command exits with no outputCODE EXAMPLE 9-6 Error-Free Online Switch Ports # showswitch -s sw2aSun Proprietary/Confidential Internal Use Only 9. After the problem has been corrected, repeat Step Manually Clearing and Restoring the SAN DatabaseSun Proprietary/Confidential Internal Use Only 6. If either port 1 or port 2 is offline, check the GBICs and cables# resetsandb -n vepair # restorevemap -n vepair To Reset the SAN Database on Both Virtualization Engines# resetve -n vehostname Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only To Reset the SAN Database on a Single Virtualization EngineRestarting the slicd Daemon connect Connection refused or Socket error encounteredTo Restart the slicd Daemon Sun Proprietary/Confidential Internal Use Only4. To restart the slicd for the v1 virtualization engine, type Sun Proprietary/Confidential Internal Use Only5. Confirm that the slicd daemon is running a. Open a Telnet session into v1hostnameSun Proprietary/Confidential Internal Use Only Error NoneSun Proprietary/Confidential Internal Use Only Diagnosing a creatediskpools1M Failure2. Run the showswitch1M command for sw2a and sw2b # showswitch -s sw2aSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only The SEcfglog file should display the following message# creatediskpools -n t3b0 Virtualization Engine Event Grid To Use the Virtualization Engine Event GridSun Proprietary/Confidential Internal Use Only TABLE 9-5 lists the Virtualization Engine Events Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Troubleshooting Using Microsoft Windows General NotesSun Proprietary/Confidential Internal Use Only Troubleshooting Tasks Using Microsoft Windows Launching the Sun StorEdge T3+ Array Failover Driver GUISun Proprietary/Confidential Internal Use Only Checking the Version of the Sun StorEdge T3+ Array Failover Driver Chapter 10 Troubleshooting Using Microsoft Windows 2000Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only To Use the Sun StorEdge T3+ Array Failover Driver GUI5. To further check the affected Sun StorEdge T3+ array Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only The Multipath Configurator LUN Properties detail window is displayedSERIAL00163874 WWN60020f20000003d50000000000000000 Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only TABLE 10-1 Tips for Interpreting Sun StorEdge 6910 Series CLI Output Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only Example of Fault Isolation 1. Discover the ErrorSun Proprietary/Confidential Internal Use Only 2. Check the Sun StorEdge T3+ Array Failover Driver Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only FIGURE 11-3 Fault Confirmation Using QLogic SunBlade3. Check the HBA 4. Isolate the components in the pathSun Proprietary/Confidential Internal Use Only FIGURE 11-4 Diagnostics Using QLogic SunBladeNote -All tests were run with the default values Chapter 11 Example of Fault IsolationSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only FIGURE 11-6 Storage Automated Diagnostic Environment Test from Topology Pull-Down MenuSun Proprietary/Confidential Internal Use Only 6. Recover the problem with the GBIC or the switchSun Proprietary/Confidential Internal Use Only Note -Storage Automated Diagnostic Environment should also post an event noting that the Port has gone back onlineSRN Reference Virtualization Engine ReferencesSun Proprietary/Confidential Internal Use Only A P P E N D I X ATABLE A-1 SRN Reference Sun Proprietary/Confidential Internal Use OnlyAppendix A Virtualization Engine References Sun Proprietary/Confidential Internal Use OnlySun Proprietary/Confidential Internal Use Only SRN/SNMP Single Point-of-Failure Descriptions Sun Proprietary/Confidential Internal Use OnlySRN/SNMP Single Point-of-Failure Table Port Communication Numbers Virtualization Engine Service CodesSun Proprietary/Confidential Internal Use Only TABLE A-3 Port CommunicationNumbersSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Configuration Utility Error MessagesVirtualization Engine Error Messages TABLE B-1 Virtualization Engine Error MessagesSun Proprietary/Confidential Internal Use Only TABLE B-1 Virtualization Engine Error Messages Continued Appendix B Configuration Utility Error MessagesSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only TABLE B-1 Virtualization Engine Error Messages ContinuedSwitch Error Messages TABLE B-2 Sun StorEdge Network FC Switch Error MessagesSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only TABLE B-2 Sun StorEdge Network FC Switch Error Messages ContinuedSun Proprietary/Confidential Internal Use Only Sun StorEdge T3+ Array Partner Group Error Messages TABLE B-3 Sun StorEdge T3+ Array Error MessagesSun Proprietary/Confidential Internal Use Only Reference and Service Guide TABLE B-3 Sun StorEdge T3+ Array Error Messages ContinuedSun Proprietary/Confidential Internal Use Only StorEdge 3900 and 6900 SeriesSun Proprietary/Confidential Internal Use Only TABLE B-3 Sun StorEdge T3+ Array Error Messages ContinuedSun Proprietary/Confidential Internal Use Only Other Error Messages TABLE B-4 Other SUNWsecfg Error MessagesSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Abbreviations and AcronymsFC Fibre Channel GBIC gigabit interface converter GUI graphical user interfaceRSS Remote Storage Services SAN storage area network POST power on self testSun Proprietary/Confidential Internal Use Only VLUN virtual LUNIndex NUMERICSSun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only Sun Proprietary/Confidential Internal Use Only zone modiﬁcations Sun Proprietary/Confidential Internal Use Only