This section describes how to exclude a device that is under VxVM or Dynamic Multipathing control.
To prevent multipathing or suppress devices from being seen by VxVM
17 (
Prevent Multipathing/Suppress devices from VxVM's view
) from the vxdiskadm
main menu.
VxVM INFO V-5-2-1239 This operation might lead to some devices being suppressed from VxVM's view or prevent them from being multipathed by vxdmp. (This operation can be reversed using the vxdiskadm command).
Do you want to continue? [y,n,q,?] (default: n) y
Enter a controller name:[ctlr_name,all,list,list-exclude,q,?]
Select Option 3 and read the messages displayed on the screen.
Enter a VID:PID combination when prompted.
Enter a VID:PID combination:[<Pattern>,all,list,exclude,q,?]
The disks that match the VID:PID combination are excluded from VxVM. Obtain the Vendor ID and Product ID from the Standard SCSI inquiry data returned by the disk.
For example, the VID:PID combination for Sun's T3 disk array can be specified as SUN:T3. Obtain the Vendor ID and Product ID of the disk by the command /usr/lib/vxvm/diag.d/vxdmpinq
.
Select Option 4 and read the messages displayed on the screen before specifying a path.
The next three options allow you to exclude devices from vxdmp
.
Select Option 5 and read the messages displayed on the screen before specifying a controller.
Enter a controller name when prompted. The controller entered is excluded from DMP control.
Enter a controller name:[<ctlr-name>,all,list,list-exclude,q,?]
Enter a pathname or pattern:[<pattern>,all,list,list- exclude,q,?]
Select Option 7
to exclude disks by a VIP:PID combination. All disks returning a VID:PID combination are claimed in the OTHER_DISKS category and are not multipathed. Read the messages displayed on the screen before specifying a VIP:PID.
Enter a VID:PID combination:[<pattern>,all,list,list- exclude,q,?]
Note If you selected any of the options, reboot the system for device exclusion to take effect.