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

Disabling the LMX helper thread
To disable the LMX helper thread
1
Stop the Oracle database instance:
If the database instances are managed by VCS, take the corresponding VCS
service groups offline:
$ hagrp -offline group_name -sys system_name
If the database instances are not managed by VCS, then run the following on
one node:
$ srvctl stop instance -d database_name -i instance_name
2
Stop LMX.
# /sbin/init.d/lmx stop
3
Unload the LMX module:
# kctune lmx_update_enabled=0
4
Start LMX.
# /sbin/init.d/lmx start
5
Start the Oracle database instance:
If the database instances are managed by VCS, bring the corresponding VCS
service groups online:
$ hagrp -online group_name -sys system_name
If the database instances are not managed by VCS, then run the following on
one node:
$ srvctl start instance -d database_name -i instance_name
Oracle database version checks failed with errors
The Oracle database checks may fail with the following error:
Checking Oracle DB level...Failed
You may see the following message in the logs:
185Troubleshooting SF Oracle RAC
Troubleshooting installation and configuration check failures