Preparing to configure I/O fencing

Make sure you performed the following tasks before configuring I/O fencing for VCS:

Perform the following preparatory tasks to configure I/O fencing:

Initialize disks as VxVM disks

See Initializing disks as VxVM disks.

Identify disks to use as coordinator disks

See Identifying disks to use as coordinator disks.

Check shared disks for I/O fencing

The tasks involved in checking the shared disks for I/O fencing are as follows:

  • Verify that the nodes have access to the same disk

  • Test the disks using the vxfentsthdw utility

See Checking shared disks for I/O fencing.