Veritas Storage Foundation 5.1 SP1 Cluster File System Installation Guide (5900-1510, April 2011)

Table 9-1
Tasks to set up I/O fencing manually (continued)
ReferenceTask
See “Identifying disks to use as coordinator disks”
on page 155.
Identifying disks to use as
coordinator disks
See “Checking shared disks for I/O fencing” on page 151.Checking shared disks for I/O
fencing
See “Setting up coordinator disk groups” on page 156.Setting up coordinator disk
groups
See “Creating I/O fencing configuration files” on page 156.Creating I/O fencing
configuration files
See “Modifying VCS configuration to use I/O fencing”
on page 157.
Modifying Storage Foundation
Cluster File System
configuration to use I/O
fencing
See “Configuring Coordination Point agent to monitor
coordination points” on page 177.
Configuring Coordination Point
agent to monitor coordination
points
See “Verifying I/O fencing configuration” on page 159.Verifying I/O fencing
configuration
Identifying disks to use as coordinator disks
Make sure you initialized disks as VxVM disks.
See “Initializing disks as VxVM disks” on page 147.
Review the following procedure to identify disks to use as coordinator disks.
To identify the coordinator disks
1
List the disks on each node.
For example, execute the following commands to list the disks:
# vxdisk -o alldgs list
2
Pick three SCSI-3 PR compliant shared disks as coordinator disks.
See “Checking shared disks for I/O fencing” on page 151.
155Configuring SFCFS for data integrity
Setting up disk-based I/O fencing manually