Sun Microsystems 3900, 6900 manual Sun Proprietary/Confidential Internal Use Only

1.Discover the error by checking one or more of the following messages or files:

■Storage Automated Diagnostic Environment alerts or email messages

■/var/adm/messages

■Sun StorEdge T3+ array syslog file

■Storage Service Processor messages

■/var/adm/messages.t3 messages

■/var/adm/log/SEcfglog file

2.Determine the extent of the problem by using one or more of the following methods:

■Review the Storage Automated Diagnostic Environment topology view.

■Using the Storage Automated Diagnostic Environment revision checking functionality, determine whether the package or patch is installed.

■Verify the functionality using one of the following tools:

■checkdefaultconfig(1M)

■cfgadm -al output

■luxadm(1M) output

■Review the multipathing status using the Sun StorEdge Traffic Manager (MPxIO) software or vxdmp(1M) command.

3.Check the status of a Sun StorEdge T3+ array by using one or more of the following methods:

■Review the Storage Automated Diagnostic Environment device monitoring reports.

■Run the checkt3config(1M) and showt3(1M) commands, which check and display the Sun StorEdge T3+ array configuration.

■Manually open a Telnet session to the Sun StorEdge T3+ array.

■Review the luxadm(1M) display output.

■Review the LED status on the Sun StorEdge T3+ array.

■Review the Explorer Data Collection Utility output, which is located on the Storage Service Processor.

4 Sun StorEdge 3900 and 6900 2.0 Series Troubleshooting Guide • March 2003

Sun Proprietary/Confidential: Internal Use Only