Veritas Storage Foundation 5.1 SP1 for Oracle RAC Administrator"s Guide (5900-1512, April 2011)

9
After replacing disks in a coordinator disk group, deport the disk group:
# vxdg deport ‘cat /etc/vxfendg‘
10
On each node, start the I/O fencing driver:
# /sbin/init.d/vxfen start
11
On each node, start the VCSMM driver:
# /sbin/init.d/vcsmm start
12
Verify that the I/O fencing module has started and is enabled.
# gabconfig -a
Make sure that port b and port o memberships exist in the output for all nodes
in the cluster.
# vxfenadm -d
Make sure that I/O fencing mode is not disabled in the output.
13
If necessary, restart VCS on each node:
# hastart
Troubleshooting I/O fencing health check warning messages
Table 3-19 lists the warning messages displayed during the health check and
corresponding recommendations for resolving the issues.
Table 3-19
Troubleshooting I/O fencing warning messages
RecommendationPossible causesWarning
Configure fencing.
For instructions, see the
Veritas Storage Foundation
for Oracle RAC Installation
and Configuration Guide.
I/O fencing is not enabled in the
cluster.
VxFEN is not
running on all
nodes in the
cluster.
Start fencing in SCSI3 mode
on all nodes in the cluster.
■ If you are using disk-based I/O
fencing, it is not configured
in the SCSI3 mode.
VxFEN is not
configured in SCSI3
mode.
Troubleshooting SF Oracle RAC
Troubleshooting I/O fencing
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