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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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Sun StorEdge 3900 and 6900 Series Troubleshooting Guide • March 2002
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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 Comments
Page
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 Path
Determine 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/O
To Return the Path to Production
# vxdisk list Disk1
To View the VxDisk Properties
Type 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 disabled
To 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 Grid
To 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 Link
Page
Port with DID=104000
A3/B3 Fibre Channel FC Link
Jan 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 Settings
To 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 again
Type 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 Config
Choose 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 Grid
To 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 Diagnostics
Service 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 Features
Ethernet 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 Names
Code 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 Map
To 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 example
Check the configuration
Find the initiator number for the new and old number
Enable the switch port
Reset the virtualization engine
Verify the new unit by typing
Enter 9 to clear the SAN database
To Reset the SAN Database on Both Virtualization Engines
To Reset the SAN Database on a Single Virtualization Engine
Check whether the Slicd is running
Stopping and Restarting the Slic Daemon
To Restart the Slic Daemon
Confirm that the Slic daemon is running
Remove the segments by typing the following
Restart 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 Values
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