Enabling fast failover for disk groups in a VCS environment
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Enabling fast failover for disk groups in a VCS environment

To support the fast failover feature, a new attribute, FastFailOver, is added to the VCS Volume Manager Disk group (VMDg) agent. This attribute decides whether or not a disk group is enabled for fast failover. The FastFailOver attribute can take values of 1 and 0. The value 1 indicates that the agent enables fast failover for the configured disk group. The default value 0 indicates that fast failover is disabled for the disk group.

Refer to the Cluster Server Bundled Agents Reference Guide for more information about the VMDg agent.

Note:

The disk group version must be 60 or later for fast failover to work. To verify the disk group version, from the VEA console, right-click the disk group and click Properties. Disk group upgrade is required if you have upgraded SFW HA on the cluster nodes. Refer to the Veritas InfoScale Installation and Upgrade Guide for more information.

To enable the FastFailover attribute for a VMDg resource

  1. In Cluster Manager (Java Console), select a service group with VMDg resource configured for it. Select the Properties tab from the right pane.
  2. Scroll down to choose the FastFailOver attribute and click to edit the attribute value.
  3. In the Edit Attribute dialog box, check the FastFailOver check box and then click OK.
  4. Repeat these steps for every VMDg resource in the service groups.

Refer to the Cluster Server Administrator's Guide for more information about the Cluster Manager (Java Console).

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