Symantec 5 manual Initializing disks as VxVM disks, # fdisk -l

Configuring VCS clusters for data integrity 93

Preparing to configure disk-based I/O fencing

Refer to the installation guide that comes with the Storage Foundation product that you use.

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

Initialize disks as VxVM disks

Identify 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 “Initializing disks as VxVM disks” on page 93.

See “Identifying disks to use as coordinator disks” on page 95.

See “Checking shared disks for I/O fencing” on page 95.

Initializing disks as VxVM disks

Perform the following procedure to initialize disks as VxVM disks.

To initialize disks as VxVM disks

1Make the new disks recognizable. On each node, enter:

# fdisk -l

2If the Array Support Library (ASL) for the array that you add is not installed, obtain and install it on each node before proceeding.

The ASL for the supported storage device that you add is available from the disk array vendor or Symantec technical support.