HP StorageWorks Secure Path V2.0D Service Pack 2 for IBM AIX Release Notes (T3034-98201, May 2004)

Avoiding problem situations
21Secure Path v2.0D Service Pack 2 for IBM AIX Release Notes
Deleting storage units
To delete Storage Units, you must deactivate and export any volume groups
defined on the physical storage unit that is to be deleted. HP recommends that you
back up all information in your volume groups before you proceed. Retain the
logical volume and volume group information. This information is useful when
restoring the volume group later.
Performance on SP class machines
On some SP machines, problems have been noticed with multiple adapters on the
third PCI bus (pci2). On these machines using pci2 should be avoided as it has an
adverse effect on system performance.
Logging errors and debugging problems
When problems occur and possible troubleshooting information is required by
StorageWorks personnel, use the following commands:
# errpt -a
This command prints a full output of errors logged by the system. Because the
error list can be important for locating problems with the software this should
probably be output to a file as shown:
# errpt -a > /tmp/errorlog.txt
Another utility, runtrace, found in the /usr/lpp/cbxfc directory may
prove helpful for debugging problem situations. Enter:
# /usr/lpp/cbxfc/runtrace
Now recreate the symptoms of whatever problem is occurring and then enter the
following commands:
# trcstop
# trcrpt > /tmp/trace.out
Provide the contents of the /tmp/trace.out file to an HP representative for
analysis.
You can run the commands errpt -a and runtrace from the smit menus.
They are referenced in the Cambex Fibre Channel Adapter menu as Generate
Error Report and Trace Cambex FC Adapters. See “Managing Secure Path
v2.0D Service Pack 2 using smit” on page 11 for more information on using
smit to control Secure Path.