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

3
Unmount CFS mounts (if mounts are not under VCS control).
Determine the file systems to unmount by checking the /etc/mnttab file.
# mount | grep vxfs | grep cluster
To unmount the mount points listed in the output, enter:
# umount mount_point
4
Stop VCS.
# hastop -local
5
Check that this node is registered at gab ports a, b, d, and o only.
Ports f, h, v, and w should not be seen on this node.
# gabconfig -a
GAB Port Memberships
===============================================================
Port a gen ada401 membership 0123
Port b gen ada40d membership 0123
Port d gen ada409 membership 0123
Port o gen ada406 membership 0123
6
Reboot the node.
# /usr/sbin/shutdown -r
Tuning guidelines for campus clusters
An important consideration while tuning an SF Oracle RAC campus cluster is
setting the LLT peerinact time. Follow the guidelines below to determine the
optimum value of peerinact time:
■ Calculate the roundtrip time using lltping (1M).
■ Evaluate LLT heartbeat time as half of the round trip time.
■ Set the LLT peer trouble time as 2-4 times the heartbeat time.
■ LLT peerinact time should be set to be more than 4 times the heart beat time.
263Tunable parameters
Tuning guidelines for campus clusters