12-22-2010
It sounds like you want to build a parallel Sun Cluster while VCS is active. WOW! My initial reaction would be no. But.... Why not? Since you're going to be using on a completely different storage frame. You would be looking at a second set of resources, such as VIP's. You already have the SAN. Even if you're able to get fairly far into the build, you won't be able to test it very well. Honestly, I don't know the answer you're looking for. If it were me, I would start by disabling and shutting down VCS. If they can't give you a maintenance window to do the work, do they understand the risk of having this box sitting there like a dead fish? Be sure to break the mirroring so you have a quick way to get back to a running and healthy cluster.
"I" still would not go this route. You will most likely create a lot more headaches than what you may be prepared for.
Is it possible for you to take one of the nodes out of the VCS cluster and build that one as a Sun Cluster? Easily done if you have a active/passive cluster. Then you would have two one node clusters. Your VCS cluster can keep your production apps up and running during your build of the Sun Cluster node. Once finished, you can add the VCS node to your Sun Cluster node.
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LEARN ABOUT CENTOS
crm_node
PACEMAKER(8) System Administration Utilities PACEMAKER(8)
NAME
Pacemaker - Part of the Pacemaker cluster resource manager
SYNOPSIS
crm_node command [options]
DESCRIPTION
crm_node - Tool for displaying low-level node information
OPTIONS
-?, --help
This text
-$, --version
Version information
-V, --verbose
Increase debug output
-Q, --quiet
Essential output only
Stack:
-A, --openais
Only try connecting to an OpenAIS-based cluster
-H, --heartbeat
Only try connecting to a Heartbeat-based cluster
Commands:
-n, --name
Display the name used by the cluster for this node
-N, --name-for-id=value
Display the name used by the cluster for the node with the specified id
-e, --epoch
Display the epoch during which this node joined the cluster
-q, --quorum
Display a 1 if our partition has quorum, 0 if not
-l, --list
Display all known members (past and present) of this cluster (Not available for heartbeat clusters)
-p, --partition
Display the members of this partition
-i, --cluster-id
Display this node's cluster id
-R, --remove=value
(Advanced) Remove the (stopped) node with the specified name from Pacemaker's configuration and caches
In the case of Heartbeat, CMAN and Corosync 2.0, requires that the node has already been removed from the underlying cluster
Additional Options:
-f, --force
AUTHOR
Written by Andrew Beekhof
REPORTING BUGS
Report bugs to pacemaker@oss.clusterlabs.org
Pacemaker 1.1.10-29.el7 June 2014 PACEMAKER(8)