IBM Midrange System DS4000 Series Hardware Manual page 489

Collecting information
Execute the following sequence of commands to capture information to send to your IBM
Support representative for problem analysis:
1. snap -r: This removes previous data collections from /tmp/ibmsupt.
2. snap -gflHc: This collects information from your system and generates a compressed file
in the /tmp/ibmsupt directory named snap.pax.Z. Send the compressed file output to your
IBM Support representative for review.
3. mpio_get_config -Av: This commands shows how your specific DS5000 is recognized by
your MPIO AIX driver (this command does not work with SDDPCM).
Commands to display disk usage
The commands to display your disk usage are:
lspv: Displays all disks and their usage per volume group (even volume groups that are
not active).
lsvg -o: Displays only online volume groups.
mount: Displays file systems currently in use.
lsvg -l vgname: Lists file systems for the vgname volume group (only if the volume group
is active).
lspv -l hdisk*: Lists file systems in disk hdisk*.
Other useful commands
Other useful commands are:
fcstat fcs*: Provides a complete listing of FC parameters of the HBA. Replaces lsattr
and lscfg.
errpt -a: Displays error log information.
lsdev -Cc disks: Displays all disks recognized.
cfgmgr -v: Invokes AIX scans for hardware changes.
lsslot -c pci: Lists all PCI adapters in your system, and provides their physical locations.
lscfg -l hdisk*: Lists all recognized disks, and provides their physical locations.
lscfg -vl fcs*: Displays adapter fcs*, which is used for the WWN, and the firmware level.
lsmcode -cd fcs*: Displays the adapter fcs* microcode.
hot_add: Similar to cfgmgr, but only for DS4000 devices (only if SMutil installed).
oslevel: Displays the AIX version (oslevel -s also displays the maintenance level).
lslpp -l: Lists all installed file sets.
lspath: Lists all paths and states for MPIO disks.
chpath -s enabled -l hdisk*: Enables paths for the hdisk* device.
For additional information regarding AIX error messages, see your AIX software
documentation or consult the Web site at the following address:
http://publib.boulder.ibm.com/infocenter/pseries/
Chapter 7. Advanced maintenance, troubleshooting, and diagnostics
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