Veritas Storage Foundation 5.1 SP1 Cluster File System Administrator"s Guide (5900-1738, April 2011)
After testing, destroy the disk group and put the disks into disk groups as you
need.
To test all the disks in a diskgroup
1
Create a diskgroup for the disks that you want to test.
2
Enter the following command to test the diskgroup test_disks_dg:
# vxfentsthdw -g test_disks_dg
The utility reports the test results one disk at a time.
Testing a disk with existing keys
If the utility detects that a coordinator disk has existing keys, you see a message
that resembles:
There are Veritas I/O fencing keys on the disk. Please make sure
that I/O fencing is shut down on all nodes of the cluster before
continuing.
******** WARNING!!!!!!!! ********
THIS SCRIPT CAN ONLY BE USED IF THERE ARE NO OTHER ACTIVE NODES
IN THE CLUSTER! VERIFY ALL OTHER NODES ARE POWERED OFF OR
INCAPABLE OF ACCESSING SHARED STORAGE.
If this is not the case, data corruption will result.
Do you still want to continue : [y/n] (default: n) y
The utility prompts you with a warning before proceeding. You may continue as
long as I/O fencing is not yet configured.
About the vxfenadm utility
Administrators can use the vxfenadm command to troubleshoot and test fencing
configurations.
The command’s options for use by administrators are as follows:
read the keys on a disk and display the keys in numeric, character,
and node format
Note: The -g and -G options are deprecated. Use the -s option.
-s
read SCSI inquiry information from device-i
79Administering Storage Foundation Cluster File System and its components
Administering I/O Fencing