How to change Solaris hostname in VCS and VxVM

Posted on March 25th, 2010

Reference: http://support.veritas.com/docs/259766

1. Stop Cluster Server and all Cluster Server-monitored resources:
# hastop -all

2. Replace the old host name with the new host name in the following files on the appropriate systems:

/etc/hosts
/etc/nodename
/etc/llthosts
/etc/llttab
/etc/ticlts/hosts
/etc/ticots/hosts
/etc/ticotsord/hosts
/etc/hostname.xxxY <where xxxY is the approprite NIC device>
/etc/VRTSvcs/conf/sysname
/etc/VRTSvcs/conf/config/main.cf

Bear in mind that all the /etc/hosts files, host name.xxxY file, and /etc/nodename must contain the same value in order for Solaris to accept the new host name.

3. Reboot – note that Cluster Server will not start on the systems – it will end up with all nodes in STALE_ADMIN_WAIT. This is expected.

4. When the system is back up, on all nodes, execute the command vxdctl init – this will change the system name from the Volume Manager point of view.

5. On one node in the cluster, issue the command hasys -force – this will force Cluster Server to accept the configuration. At that point, all nodes in the cluster should build their configuration from that node.

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Propagating a specific configuration in VCS

Posted on March 12th, 2010

1. Stop VCS on all systems in the cluster and leave applications running.

hastop -all -force

2. Start VCS stale on all other systems.

hastart -stale

The -stale option caauses these systems to wait until a running configuration is available from which they can build.
3. Start VCS on the system with the main.cf that you are propogating

hastart

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