Peripheral Problem - HP 9000 V2500 SCA Operator's Manual

Step 2. Record the panic message displayed on the system console. Look for text
Step 3. Categorize the panic message. The panic message describes why HP-UX
Step 1. Check to ensure the device is powered on and online.
WARNING
Step 2. Check the device's error display. If an error is displayed:
Recovering from failures
System panics
on the console that contains terms like:
• System Panic
• HPMC
• Privilege Violation
• Data Segmentation Fault
• Instruction Segmentation Fault
panicked. Sometimes panic messages refer to internal structures of HP-
UX (or its file systems) and the cause might not be obvious.
The wording of the panic message should allow the problem to be
classified into one of the following areas:

• Peripheral problem

• Server or I/O card problem
• File system problem
• LAN communication problem
• Logical Volume Manager (LVM) related problem
• Other
Peripheral problem
Use the following procedure to troubleshoot an apparent peripheral
hardware failure:
Do not connect or disconnect cables or power off or on SCSI
devices while the V-Class server is powered on. Doing so could
lead to corruption of disk data.
1. Record the error message or display.
142 Chapter 7