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Sun StorEdge 3900 and 6900 Series 2.0 Troubleshooting Guide
March 2003, Revision A
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Contents
4. Troubleshooting Ethernet Hubs
3. Troubleshooting Tools
5. Troubleshooting the Fibre Channel FC Links
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6. Troubleshooting Host Devices
7. Troubleshooting Switches
setupswitch Exit Values
8. Troubleshooting the Sun StorEdge T3+ Array Devices
9. Troubleshooting Virtualization Engine Devices
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10. Troubleshooting Using Microsoft Windows
Configuration Utility Error Messages
Example of Fault Isolation
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Virtualization Engine References
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List of Figures
A4 or B4 FC Link Data-Host Notification
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Recovered Paths
Successful Switch Test Results
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List of Figures
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List of Tables
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Virtualization Engine Error Messages
TABLE A-5
TABLE B-1
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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Related Documentation
Product
Title
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Switch
SANbox-8/16
Segmented Loop FC
Sun Welcomes Your Comments
Accessing Sun Documentation Online
docfeedback@sun.com
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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
Storage Service Processor-Side Troubleshooting
Host-Side Troubleshooting
8. Verify the fix using the following tools
9. Return the path to service with one of the following methods
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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Chapter 2 General Troubleshooting Procedures
Sun StorEdge 6900 Series Multipathing Example
Switch
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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Multipathing Options in the Sun StorEdge 6900 Series
# /usr/sbin/luxadm display
Class
Manually Halting the I/O
To Unconfigure the c2 Path
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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c20t2B000060220041F4d0s2 c23t2B000060220041F9d0s2
To View the Dynamic Multi-Pathing DMP Properties
state=enabled
state=enabled
# /usr/sbin/luxadm display /dev/rdsk/c20t2B000060220041F4d0s2
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# luxadm display /dev/rdsk/c23t2B000060220041F9d0s2
# vxdmpadm enable ctlr=cn
To Put the DMP-Enabled Paths Back into Production
# vxdmpadm listctlr all
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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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Collection Utility
Monitoring Sun StorEdge T3 and T3+ Arrays Using the Explorer Data
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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Verifying the Data Host
# /usr/sbin/luxadm display
State
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FRU Tests Available for the A1 or B1 FC Link Segment
Chapter 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
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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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Verifying the Data Host
Chapter 5 Troubleshooting the Fibre Channel FC Links
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# /usr/sbin/cfgadm -al
FRU Tests Available for the A2 or B2 FC Link Segment
Verifying the A2 or B2 FC Link
To Isolate the A2 or B2 FC Link
3. Insert the loopback connector in to the switch port
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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Verifying the Data Host
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# cfgadm -al
FRU Tests Available for the A3 or B3 FC Link Segment
Verifying the Storage Service Processor-Side
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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Quiescing the I/O on the A3 or B3 Link
# /usr/bin/vxdmpadm disable ctlr=cn
Suspending the I/O on the A3 to B3 Link
# /usr/bin/vxdmpadm listctlr all
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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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Sun StorEdge 6900 Series
Sun StorEdge 3900 Series
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Verifying the Data Host
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Chapter 5 Troubleshooting the Fibre Channel FC Links
# /usr/sbin/luxadm display /dev/rdsk/c26t60020F200000644
State
To Isolate the A4 or B4 FC Link
FRU Tests Available for the A4 or B4 FC Link Segment
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configured
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Using the Host Event Grid
Troubleshooting Host Devices
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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1. Offline the T ports interswitch links
Zone Modifications
4. Online the T ports interswitch links
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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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switch diag156-sw1b
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ip=192.168.0.31 ”
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
A port on the switch has logged out of the fabric and gone offline
Notification Events
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FIGURE 8-1 shows a typical port failure event
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FIGURE 8-2 Virtualization Engine Alert
continued on next page
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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
Run the switchtest to test the switches
FRU Tests Available for the T1 or T2 Data Path FRU
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
Value Description
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encid12
Run refresh -s to
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with fru stat
fru stat
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enable u
and sysstat
Run logger
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or volstat
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About the Virtualization Engine
Troubleshooting Virtualization Engine Devices
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Service Request Numbers SRNs
Virtualization Engine Diagnostics
Service and Diagnostic Codes
Retrieving Service Information
To Display the Log Files and Retrieve SRNs
Error Log Analysis Commands
Chapter 9 Troubleshooting Virtualization Engine Devices
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To Clear the Log
Virtualization Engine LEDs
Example
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Interpreting LED Service and Diagnostic Codes
Power LED Codes
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Ethernet Port LEDs
Back Panel Features
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FIGURE 9-2 Virtualization Engine Back Panel
To Check the FC Link Error Status Manually
FC Link Error Status Report
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Daemon error check the SLIC router
Note -v1 represents the first virtualization engine pair
# /opt/svengine/sduc/svstat -d
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Translating Host-Device Names
CODE EXAMPLE 9-2 luxadm Output for a Host Device
1. Use the format -e command
Displaying the VLUN Serial Number
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3. Type inquiry at the scsi prompt
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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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To Failback the Virtualization Engine
CODE EXAMPLE 9-3 Multipath Drive Summary
CODE EXAMPLE 9-4 Sun StorEdge T3+ array and Disk Pool Name
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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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9. After the problem has been corrected, repeat Step
Manually Clearing and Restoring the SAN Database
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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
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To Reset the SAN Database on a Single Virtualization Engine
Restarting the slicd Daemon
connect Connection refused or Socket error encountered
To Restart the slicd Daemon
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4. To restart the slicd for the v1 virtualization engine, type
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5. Confirm that the slicd daemon is running
a. Open a Telnet session into v1hostname
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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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FIGURE 11-3 Fault Confirmation Using QLogic SunBlade
3. Check the HBA
4. Isolate the components in the path
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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
SRN Reference
Virtualization Engine References
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A P P E N D I X A
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
Port Communication Numbers
Virtualization Engine Service Codes
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TABLE A-3 Port CommunicationNumbers
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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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Reference and Service Guide
TABLE B-3 Sun StorEdge T3+ Array Error Messages Continued
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StorEdge 3900 and 6900 Series
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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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Abbreviations and Acronyms
FC Fibre Channel
GBIC gigabit interface converter GUI graphical user interface
RSS Remote Storage Services SAN storage area network
POST power on self test
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VLUN virtual LUN
NUMERICS
Index
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zone modifications
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