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Sun Microsystems 6900 Series, 3900 Series manual 6Path Failure -I/O Routed through Both HBAs

Models: 6900 Series 3900 Series

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Troubleshooting Error codes Fibre Channel Link Diagrams Configuration Settings Service and Diagnostic Codes Setupswitch Exit Values Using Unix Commands T1/T2 Isolation Procedures Replace the power Table A-4Service Codes

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FIGURE 7-6Path Failure —I/O Routed through Both HBAs

94Sun StorEdge 3900 and 6900 Series Troubleshooting Guide — March 2002

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Sun Microsystems 6900 Series, 3900 Series manual 6Path Failure -I/O Routed through Both HBAs

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Contents

Sun StorEdge 3900 Series Troubleshooting Guide Please Recycle Contents Troubleshooting the Fibre Channel Links Configuration Settings Troubleshooting Host Devices Troubleshooting Virtualization Engine Devices Troubleshooting the Sun StorEdge T3+ Array Devices Troubleshooting Ethernet Hubs 123 Page List of Figures 103 106 Preface How This Book Is Organized Using Unix Commands Solaris Handbook for Sun Peripherals Typographic Conventions Shell Prompts Related Documentation Accessing Sun Documentation Online Sun Welcomes Your CommentsPage Introduction Predictive Failure Analysis Capabilities General Troubleshooting Procedures Troubleshooting Overview Tasks Var/adm/messages Test and isolate the FRUs using the following tools Quiesce the I/O along the path to be tested as follows Verify the fix using the following tools Class Primary State Multipathing Options in the Sun StorEdge 6900 Series# luxadm display Alternatives to Sun StorEdge Traffic Manager To Unconfigure the c2 PathDetermine the path you want to disable Type To Quiesce the I/O # cfgadm -c unconfigure c22b000060220041f4 # cfgadm -al Verify that I/O has halted Verify that I/O has resumed on all paths To Suspend the I/OTo Return the Path to Production # vxdisk list Disk1 To View the VxDisk PropertiesType the following # luxadm display /dev/rdsk/c20t2B000060220041F4d0s2 # luxadm display /dev/rdsk/c23t2B000060220041F9d0s2 To Suspend the I/O on the A3/B3 Link Verify that the path is disabledTo Quiesce the I/O on the A3/B3 Link Verify that the path has been re-enabled by typing Fibre Channel Links Fibre Channel Link Diagrams 1Sun StorEdge 3900 Series Fibre Channel Link Diagram 2Sun StorEdge 6900 Series Fibre Channel Link Diagram Host Side Troubleshooting Storage Service Processor Side Troubleshooting Command Line Test Examples Qlctest1M Switchtest1M 2Event Grid Sorting Criteria Storage Automated Diagnostic Environment Event GridTo Customize an Event Report Page 1Data Host Notification of Intermittent Problems A1/B1 Fibre Channel FC Link 2Data Host Notification of Severe Link Error To Verify the Data Host Offline FRU Tests Available for A1/B1 FC Link Segment Code Example 3-2cfgadm -al Display Code Example 3-3switchtest1M called with options # ./switchtest -v -o dev=2192.168.0.300 To Isolate the A1/B1 FC Link A2/B2 Fibre Channel FC Link 4A2/B2 FC Link Host Side Event 5A2/B2 FC Link Storage Service Processor Side Event To Verify the Host Side # luxadm -e port To Verify the A2/B2 FC Link To Isolate the A2/B2 FC LinkPage Port with DID=104000 A3/B3 Fibre Channel FC LinkJan 8 182404 WWN2b000060220041f9 From fabric 7A3/B3 FC Link Storage Service Processor-Side Event Code Example 3-5Devices in the connected state # luxadm -e port To Verify the Storage Service Processor FRU Tests Available for the A3/B3 FC Link Segment To Isolate the A3/B3 FC Link A4/B4 Fibre Channel FC Link 9A4/B4 FC Link Data Host Notification 10Storage Service Processor Notification Sun StorEdge 3900 Series Offline FRU tests available for the A4/B4 FC Link Segment To Isolate the A4/B4 FC Link Rerun switchtest Page Run one of the following scripts Verifying Configuration SettingsTo Verify Configuration Settings Code Example 4-1 /opt/SUNWsecfg/checkdefaultconfig output # /opt/SUNWsecfg/checkdefaultconfig PST # /opt/SUNWsecfg/bin/checkt3config -n t3b0 Fix the Fail condition, and then verify the settings againType the following command To Clear the Lock File Tue Jan 29 161401 MST 2002 savevemap v1 Exit Page Using the Host Event Grid Host Event Grid 1Host Event Grid Troubleshooting Host Devices Host Lun.VE Alarm Red Info The state Install the SUNWstade package on a new Master Host To Replace the Master Host Install the SUNWstade package on the new host Choose Utilities System Recover ConfigChoose Maintenance General Maintenance Maintain Hosts Configure the host as a slave Conclusion Page A P T E R Using the Switch Event Grid Switch Event GridTo Diagnose and Troubleshoot Switch Hardware 1Switch Event Grid 1lists the switch events Switch Enclosure Audit Auditing a new Switch called ras Page Offline Replacing the Master Midplane To Replace the Master Midplane Troubleshooting Virtualization Engine Devices Virtualization Engine Description Service and Diagnostic Codes Virtualization Engine DiagnosticsService Request Numbers To Retrieve Service Information To Display Log Files and Retrieve SRNs # /opt/svengine/sduc/sreadlog -d Virtualization Engine LEDs 1Virtualization Engine LEDs 2LED Service and Diagnostic Codes 1Virtualization Engine Front Panel LEDs 3Speed, Activity, and Validity of the Link Back Panel FeaturesEthernet Port LEDs Fibre Channel Link Error Status Report 4Virtualization Engine Statistical Data To Check Fibre Channel Link Error Status Manually Daemon error check the Slic router Code Example 7-1Fibre Channel Link Error Status Example # /opt/svengine/sduc/svstat -d # luxadm display /dev/rdsk/c4t2B00006022004186d0s2 Translating Host Device NamesCode Example 7-2luxadm Output for a Host Device Devices That Are Not Sun StorEdge Traffic Manager-Enabled To Display the Vlun Serial Number Sun StorEdge Traffic Manager-Enabled Devices # showvemap -n v1 -f To View the Virtualization Engine MapTo view the virtualization engine map, type Virtualization Engine Main Menu From the Storage Service Processor, type To Failback the Virtualization Engine To Replace a Failed Virtualization Engine Power on the new unit Log in to the new unit, for exampleCheck the configuration Find the initiator number for the new and old number Enable the switch portReset the virtualization engine Verify the new unit by typing Enter 9 to clear the SAN database To Reset the SAN Database on Both Virtualization EnginesTo Reset the SAN Database on a Single Virtualization Engine Check whether the Slicd is running Stopping and Restarting the Slic DaemonTo Restart the Slic Daemon Confirm that the Slic daemon is running Remove the segments by typing the followingRestart the Slic daemon # ipcrm -m 301 -m 302 -m 303 -s 196608 -s 196609 -s Sun StorEdge 6900 Series Multipathing Example 2Sun StorEdge 6900 Series Logical View 3Primary Data Paths to the Alternate Master 4Primary Data Paths to the Master Sun StorEdge T3+ Array 5Path Failure-Before the Second Tier of Switches 6Path Failure -I/O Routed through Both HBAs Using the Virtualization Engine Event Grid Virtualization Engine Event Grid 5lists the Virtualization Engine Events For Internal Use Only Page Troubleshooting the Sun StorEdge T3+ Array Devices Explorer Data Collection Utility Code Example 8-1Editing switch information using # vi saninput.txt # vi t3input.txt Troubleshooting the T1/T2 Data Path T1/T2 Notification Events On next 2Virtualization Engine Alert 3Manage Configuration Files Menu T1/T2 FRU Tests Available T1/T2 Isolation Procedures Using the Sun StorEdge T3+ Array Event Grid Sun StorEdge T3+ Array Event Grid StorEdge T3+ array Replace the power Unit is not optimal T3+ array using Luxadm probe T3ofdg Diagnostic Red Power Insert Info Component Has reported a disk Disk State Controller State Red Info/Action Recommended action Change Verify matching LUN has changed Replacing the Master Midplane Troubleshooting Ethernet Hubs Page Table A-2 SRN/SNMP Single Point of Failure Table Table A-1SRN and Snmp Reference Write error is detected by master Read degrade recorded . a mirror drive Table A-2SRN/SNMP Single Point of Failure Table 70051 Table A-4Service Codes Table A-3Port Communication 126 SUNWsecfg Error Messages Table B-1Virtualization Engine SUNWsecfg Error Messages Appendix B SUNWsecfg Error Messages Cannot continue configuration Other components If the switch in question does not Port switch. Check showswitch -s Table B-3Sun StorEdge T3+ Array SUNWsecfg Error Messages Directory. If the snapshot files are not Snapshot file. The Sun StorEdge T3+ Table B-4Other SUNWsecfg Error Messages Boxtype Setupswitch Exit Values 1setupswitch Exit ValuesPage Index Page WWN

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