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SFHA Solutions 6.0.1: About Veritas Cluster Server service groups in the partial state

Created: 08 Jul 2013 • Updated: 08 Jul 2013 | 1 comment
Jie Li's picture

 

A service group is a virtual container that contains the hardware and software resources that are required to run the managed application. Service groups allow Veritas Cluster Server (VCS) to control the hardware and software resources of the managed application as a single unit. For more information on service groups, see:

 
For more information about VCS service groups, see: SFHA Solutions 6.0.1: About Veritas Cluster Server service groups.
 
The state of a service group is reported partial in one or more of the following situations:

  • When the group contains non-persistent, disabled resources with the AutoStart attribute set to 1.
  • When at least one, but not all, resource with the attribute Operations set to OnOff is online, and not all AutoStart resources are online.
  • When you flush a service group.
  • When an application is intentionally shut down outside of VCS control.

For more information about the AutoStart attribute, see Resource attributes.

For more information about the State attribute, see Service group attributes.

For more information about flushing service groups, see Flushing service groups.
 
For more information about the intentionally shutting down issues, see VCS behavior for resources that support the intentional offline functionality.

You can bring a service group out of a partial state by either bringing the service group online or taking it offline using the -hagrp command. 

For more information on bringing the service groups online or taking them offline, see:

 
For more information about the -hagrp command, see: hagrp(1M) manual page.
 
Veritas Cluster Server documentation for other releases and platforms can be found on the SORT website.

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arangari's picture

It should be noted that partial service group do not satisfy the online dependencies. Thus, VCS will not online parent SGs. 

Also, the switch and failover due to node-fault or resource-fault of partial group is handled appropriately by VCS by bringing the SG in the same 'partial' state on new node. 

Thanks and Warm Regards,

Amit Rangari

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