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Tuesday, 14 January 2014

Failover A Service Group In RHEL

I am going to show how to do a failover of ServiceGroup in RHEL6 Cluster

[root@node1 /]# clustat
Cluster Status for mycluster @ Mon Jan 13 21:33:34 2014
Member Status: Quorate

 Member Name                                                     ID   Status
 ------ ----                                                     ---- ------
 node1                                                               1 Online, Local, rgmanager
 node2                                                               2 Online, rgmanager

 Service Name                                                     Owner (Last)                                                     State
 ------- ----                                                     ----- ------                                                     -----
 service:Oracle_SG                                                node1                                                            started
[root@node1 /]#

The Oracle_SG is running on node1

I am going to run on node2.

[root@node1 /]# clusvcadm -r service:Oracle_SG -m node2
Trying to relocate service:Oracle_SG to node2...Success
service:Oracle_SG is now running on node2
[root@node1 /]#

[root@node1 /]# clustat
Cluster Status for mycluster @ Mon Jan 13 21:37:14 2014
Member Status: Quorate

 Member Name                                                     ID   Status
 ------ ----                                                     ---- ------
 node1                                                               1 Online, Local, rgmanager
 node2                                                               2 Online, rgmanager

 Service Name                                                     Owner (Last)                                                     State
 ------- ----                                                     ----- ------                                                     -----
 service:Oracle_SG                                                node2                                                            started
[root@node1 /]#

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