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Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide
Sun Microsystems, Inc 4150 Network Circle Santa Clara, CA 95054 U.S.A
March 2003, Revision A
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Contents
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3. Troubleshooting Tools
4. Troubleshooting Ethernet Hubs
5. Troubleshooting the Fibre Channel FC Links
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6. Troubleshooting Host Devices
9. Troubleshooting Virtualization Engine Devices
setupswitch Exit Values
7. Troubleshooting Switches
8. Troubleshooting the Sun StorEdge T3+ Array Devices
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10. Troubleshooting Using Microsoft Windows
Virtualization Engine References
Example of Fault Isolation
Configuration Utility Error Messages
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List of Figures
A4 or B4 FC Link Data-Host Notification
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List of Figures
Successful Switch Test Results
Recovered Paths
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List of Tables
TABLE B-1
Virtualization Engine Error Messages
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TABLE A-5
How This Book Is Organized
Preface
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Solaris Handbook for Sun Peripherals
Using UNIX Commands
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Shell Prompts
Typographic Conventions
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Title
Related Documentation
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Product
Segmented Loop FC
Switch
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SANbox-8/16
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Accessing Sun Documentation Online
Sun Welcomes Your Comments
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TABLE 1-1 Sun StorEdge 3900 and 6900 Series Configurations
Introduction
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Predictive Failure Analysis PFA Capabilities
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High-Level Troubleshooting Tasks
General Troubleshooting Procedures
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Storage Automated Diagnostic Environment alerts or email messages
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Chapter 2 General Troubleshooting Procedures
9. Return the path to service with one of the following methods
Host-Side Troubleshooting
Storage Service Processor-Side Troubleshooting
8. Verify the fix using the following tools
To Verify Configuration Settings
Verifying the Configuration Settings
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# /opt/SUNWsecfg/checkdefaultconfig
CODE EXAMPLE 2-1 checkdefaultconfig1M Output
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# /opt/SUNWsecfg/bin/checkt3config -n t3b0
3. Fix the FAIL condition, and then verify the settings again
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To Clear the Lock File
Clearing the Lock File
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Switch
Sun StorEdge 6900 Series Multipathing Example
Chapter 2 General Troubleshooting Procedures
Switch
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FIGURE 2-2 Primary Data Paths to the Alternate Master
FIGURE 2-3 Primary Data Paths to the Master Sun StorEdge T3+ Array
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which illustrates a path failure before the second tier of switches
FIGURE 2-5 Path Failure-I/O Routed Through Both HBAs
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Class
Multipathing Options in the Sun StorEdge 6900 Series
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# /usr/sbin/luxadm display
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To Unconfigure the c2 Path
Manually Halting the I/O
To Quiesce the I/O
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Suspending the I/O
# cfgadm -c configure c22b000060220041f4
To Put the c2 Path Back into Production
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state=enabled
To View the Dynamic Multi-Pathing DMP Properties
c20t2B000060220041F4d0s2 c23t2B000060220041F9d0s2
state=enabled
# /usr/sbin/luxadm display /dev/rdsk/c20t2B000060220041F4d0s2
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# luxadm display /dev/rdsk/c23t2B000060220041F9d0s2
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To Put the DMP-Enabled Paths Back into Production
# vxdmpadm enable ctlr=cn
# vxdmpadm listctlr all
Storage Automated Diagnostic Environment
Troubleshooting Tools
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FIGURE 3-1 Storage Automated Diagnostic Environment Example Topology
Example Topology
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To Customize an Event Report
Generating Component-Specific Event Grids
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Microsoft Windows 2000 System Errors
FIGURE 3-2 Microsoft Windows 2000 Event Properties System Log
qlctest1M
Command Line Test Examples
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switchtest called with options dev=2192.168.0.300x0xfersize=200
switchtest1M
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Monitoring Sun StorEdge T3 and T3+ Arrays Using the Explorer Data
Collection Utility
http//webhome.eng/mdeSW/Project/Explorer.html
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Example
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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 purposes
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Monitoring Host Bus Adapters HBAs Using QLogic SANblade Manager
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Chapter 3 Troubleshooting Tools
FIGURE 3-3 Qlogic SANblade Manager HBA Driver and Firmware Versions
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FIGURE 3-4 QLogic SANblade Manager Diagnostics
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Troubleshooting Ethernet Hubs
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Troubleshooting the Fibre Channel FC Links
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FC Links
Links
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FC Link Diagrams
HOST
TABLE 5-2 Ax to Bx FC Links
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Chapter 5 Troubleshooting the Fibre Channel FC Links
FIGURE 5-2 Sun StorEdge 6900 Series FC Link Diagram
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Troubleshooting the A1 or B1 FC Link
FIGURE 5-4 Data Host Notification of Severe Link Error
FIGURE 5-3 Data Host Notification of Intermittent Problems
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FIGURE 5-5 Storage Service Processor Notification
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State
Verifying the Data Host
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# /usr/sbin/luxadm display
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FRU Tests Available for the A1 or B1 FC Link Segment
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CODE EXAMPLE 5-3 switchtest1M Called With Options
Chapter 5 Troubleshooting the Fibre Channel FC Links
# /opt/SUNWstade/Diags/bin/switchtest -v -o dev=2192.168.0.300
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To Isolate the A1 or B1 FC Link
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Troubleshooting the A2 or B2 FC Link
FIGURE 5-6 A2 or B2 FC Link Host-Side Event
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FIGURE 5-7 A2 or B2 FC Link Storage Service Processor-Side Event
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# /usr/sbin/cfgadm -al
Chapter 5 Troubleshooting the Fibre Channel FC Links
Verifying the Data Host
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3. Insert the loopback connector in to the switch port
Verifying the A2 or B2 FC Link
FRU Tests Available for the A2 or B2 FC Link Segment
To Isolate the A2 or B2 FC Link
6. Return the path to production
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Troubleshooting the A3 or B3 FC Link
FIGURE 5-8 A3 or B3 FC Link Host-Side Event
FIGURE 5-10 A3 or B3 FC Link Storage Service Processor-Side Event
FIGURE 5-9 A3 or B3 FC Link Storage Service Processor-Side Event
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# cfgadm -al
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Verifying the Data Host
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Verifying the Storage Service Processor-Side
FRU Tests Available for the A3 or B3 FC Link Segment
vxvmvxdmp disabled path 118/0x1f8 belonging to the dmpnode 231/0xd0
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To Isolate the A3 or B3 FC Link
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# /usr/bin/vxdmpadm listctlr all
# /usr/bin/vxdmpadm disable ctlr=cn
Quiescing the I/O on the A3 or B3 Link
Suspending the I/O on the A3 to B3 Link
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Troubleshooting the A4 or B4 FC Link
FIGURE 5-11 A4 or B4 FC Link Data-Host Notification
Chapter 5 Troubleshooting the Fibre Channel FC Links
FIGURE 5-12 Storage Service Processor-Side Notification
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Verifying the Data Host
Sun StorEdge 3900 Series
Sun StorEdge 6900 Series
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State
Chapter 5 Troubleshooting the Fibre Channel FC Links
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# /usr/sbin/luxadm display /dev/rdsk/c26t60020F200000644
configured
FRU Tests Available for the A4 or B4 FC Link Segment
To Isolate the A4 or B4 FC Link
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Troubleshooting Host Devices
Using the Host Event Grid
To Access the Host Event Grid
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FIGURE 6-1 Sample Host Event Grid
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Troubleshooting Host Devices
Chapter
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To Replace the Master Host
Replacing the Master, Alternate Master, and Slave Monitoring Host
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To Replace the Alternate Master or Slave Monitoring Host
About the Switches
Troubleshooting Switches
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Zone Modifications
1. Offline the T ports interswitch links
4. Online the T ports interswitch links
Diagnosing and Troubleshooting Switch Hardware Problems
Switchless Configurations
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# restoreswitch -s switch
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To Use the Switch Event Grid
Using the Switch Event Grid
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ip=192.168.0.31 ”
switch diag156-sw1b
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Description
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setupswitch Exit Values
the /var/adm/log/SEcfglog file
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Troubleshooting the Sun StorEdge T3+ Array Devices
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Troubleshooting the T1 or T2 Data Path
FIGURE 8-1 shows a typical port failure event
Notification Events
A port on the switch has logged out of the fabric and gone offline
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continued on next page
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FIGURE 8-2 Virtualization Engine Alert
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Chapter 8 Troubleshooting the Sun StorEdge T3+ Array Devices
continued from previous page
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To Verify the Storage Service Processor
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FRU Tests Available for the T1 or T2 Data Path FRU
Run the switchtest to test the switches
Chapter 8 Troubleshooting the Sun StorEdge T3+ Array Devices
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To Isolate the T1 or T2 Data Path
2. After replacing the failed FRU, run failbackt3path , if needed
To Use the Sun StorEdge T3+ Array Event Grid
Sun StorEdge T3+ Array Event Grid
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TABLE 8-1 lists all of the events for the Sun StorEdge T3+ array
Run refresh -s to
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Value Description
encid12
fru stat
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with fru stat
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Run logger
enable u
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and sysstat
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or volstat
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About the Virtualization Engine
Troubleshooting Virtualization Engine Devices
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Retrieving Service Information
Virtualization Engine Diagnostics
Service Request Numbers SRNs
Service and Diagnostic Codes
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Error Log Analysis Commands
To Display the Log Files and Retrieve SRNs
Chapter 9 Troubleshooting Virtualization Engine Devices
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Virtualization Engine LEDs
To Clear the Log
Example
Interpreting LED Service and Diagnostic Codes
Power LED Codes
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FIGURE 9-2 Virtualization Engine Back Panel
Back Panel Features
Ethernet Port LEDs
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To Check the FC Link Error Status Manually
FC Link Error Status Report
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# /opt/svengine/sduc/svstat -d
Daemon error check the SLIC router
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Note -v1 represents the first virtualization engine pair
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Translating Host-Device Names
CODE EXAMPLE 9-2 luxadm Output for a Host Device
3. Type inquiry at the scsi prompt
Displaying the VLUN Serial Number
1. Use the format -e command
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To Display Sun StorEdge Traffic Manager MPxIO-Enabled Devices
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Viewing the Virtualization Engine Map
1. To view the virtualization engine map, type
Determining the virtualization engine pairs on the system
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CODE EXAMPLE 9-4 Sun StorEdge T3+ array and Disk Pool Name
To Failback the Virtualization Engine
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CODE EXAMPLE 9-3 Multipath Drive Summary
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a. If no failures occur, the command exits with no output
# showswitch -s sw2a
CODE EXAMPLE 9-6 Error-Free Online Switch Ports
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6. If either port 1 or port 2 is offline, check the GBICs and cables
Manually Clearing and Restoring the SAN Database
9. After the problem has been corrected, repeat Step
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To Reset the SAN Database on Both Virtualization Engines
# resetsandb -n vepair # restorevemap -n vepair
# resetve -n vehostname
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To Reset the SAN Database on a Single Virtualization Engine
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connect Connection refused or Socket error encountered
Restarting the slicd Daemon
To Restart the slicd Daemon
a. Open a Telnet session into v1hostname
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4. To restart the slicd for the v1 virtualization engine, type
5. Confirm that the slicd daemon is running
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Error None
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Diagnosing a creatediskpools1M Failure
# showswitch -s sw2a
2. Run the showswitch1M command for sw2a and sw2b
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The SEcfglog file should display the following message
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# creatediskpools -n t3b0
To Use the Virtualization Engine Event Grid
Virtualization Engine Event Grid
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TABLE 9-5 lists the Virtualization Engine Events
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General Notes
Troubleshooting Using Microsoft Windows
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Launching the Sun StorEdge T3+ Array Failover Driver GUI
Troubleshooting Tasks Using Microsoft Windows
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Chapter 10 Troubleshooting Using Microsoft Windows 2000
Checking the Version of the Sun StorEdge T3+ Array Failover Driver
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To Use the Sun StorEdge T3+ Array Failover Driver GUI
5. To further check the affected Sun StorEdge T3+ array
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The Multipath Configurator LUN Properties detail window is displayed
SERIAL00163874 WWN60020f20000003d50000000000000000
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TABLE 10-1 Tips for Interpreting Sun StorEdge 6910 Series CLI Output
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1. Discover the Error
Example of Fault Isolation
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2. Check the Sun StorEdge T3+ Array Failover Driver
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4. Isolate the components in the path
FIGURE 11-3 Fault Confirmation Using QLogic SunBlade
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3. Check the HBA
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FIGURE 11-4 Diagnostics Using QLogic SunBlade
Chapter 11 Example of Fault Isolation
Note -All tests were run with the default values
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FIGURE 11-6 Storage Automated Diagnostic Environment Test from Topology Pull-Down Menu
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6. Recover the problem with the GBIC or the switch
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Note -Storage Automated Diagnostic Environment should also post an event noting that the Port has gone back online
A P P E N D I X A
Virtualization Engine References
SRN Reference
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TABLE A-1 SRN Reference
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Appendix A Virtualization Engine References
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SRN/SNMP Single Point-of-Failure Descriptions
SRN/SNMP Single Point-of-Failure Table
TABLE A-3 Port CommunicationNumbers
Virtualization Engine Service Codes
Port Communication Numbers
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Configuration Utility Error Messages
TABLE B-1 Virtualization Engine Error Messages
Virtualization Engine Error Messages
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Appendix B Configuration Utility Error Messages
TABLE B-1 Virtualization Engine Error Messages Continued
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TABLE B-1 Virtualization Engine Error Messages Continued
TABLE B-2 Sun StorEdge Network FC Switch Error Messages
Switch Error Messages
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TABLE B-2 Sun StorEdge Network FC Switch Error Messages Continued
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TABLE B-3 Sun StorEdge T3+ Array Error Messages
Sun StorEdge T3+ Array Partner Group Error Messages
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StorEdge 3900 and 6900 Series
TABLE B-3 Sun StorEdge T3+ Array Error Messages Continued
Reference and Service Guide
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TABLE B-3 Sun StorEdge T3+ Array Error Messages Continued
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TABLE B-4 Other SUNWsecfg Error Messages
Other Error Messages
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GBIC gigabit interface converter GUI graphical user interface
Abbreviations and Acronyms
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FC Fibre Channel
VLUN virtual LUN
POST power on self test
RSS Remote Storage Services SAN storage area network
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NUMERICS
Index
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zone modifications
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