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VCS failover service group

Created: 05 May 2013 • Updated: 06 May 2013 | 4 comments
phaul's picture
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Hi Guys,

I have some inquiry regarding VCS failover service group.

This example is for 3 node cluster:

There are two service groups in <clustername> cluster, app1_SG running on node_1 and app2_SG running on node_2. In any failure, these two service groups will be switching to node_3. However, both service groups could not be running on the same node, i.e. while app1_SG switched to node_3, then app2_SG could not switch to node_3 and vice versa.

Is there a configuration on how to configure this setup?

Any comments will appreciate.


Operating Systems:

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sajith_cr's picture

See offline local group dependency in Service group dependency configurations section in VCS admin guide.



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mikebounds's picture

This is ideal for System Limits and Service group Prerequisites - see

offline local group dependency is probably suitable and this would requires you give one service group a preference and that group would offline the other if it were on node3.


UK Symantec Consultant in VCS, GCO, SF, VVR, VxAT on Solaris, AIX, HP-ux, Linux & Windows

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arangari's picture

Agree with Mike. 

Thanks and Warm Regards,

Amit Rangari

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Wally_Heim's picture

Just to show a difference, in Windows we would use workload managment by setting system "Limits" and service group "Prerequisites".  We've used the exclusivily for Active/Actice Exhange clusters were it is impossible to run 2 virtual Exchange servers on the same physical node without causing data corruption.

I'm sure the same approach will work for other platforms as well.