Unplanned failover – HP Matrix Operating Environment Software User Manual

Page 28

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Power-Up Delay

3.

Click the check-box on the left side of the banner of the Deactivate Recovery Groups at the
Local Site window to select all of the Recovery Group Sets at the Local Site for deactivation.

4.

Click Deactivate Recovery Groups to start the deactivation operation. A window will appear
asking if it is OK to proceed. Click OK and you will be directed to the Jobs tab where you
can monitor the progress of the deactivation Job.

NOTE:

If the Matrix recovery management configuration includes Hyper-V logical servers

or IO services, bring the cluster disk resource used for logical server or IO service storage
offline.

At the site you want to fail over to:

1.

Ensure that enough resources are available to run the logical servers that will be activated at
this site.

2.

Click on the Activate... button and the Activate Recovery Groups at the Local Site window will
appear.

For more information about the Recovery Groups contained in a Recovery Group Set, select
the Recovery Group Set and click View Recovery Group. A window will appear displaying
the following parameters for each Recovery Group in the Recovery Group Set:

Name

Status

Type

Preferred Site

Secondary Site

Storage Replication Group Name

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Power-Up Delay

3.

Select each Recovery Group Set that you want to activate or click the check-box on the left
side of the banner of the Activate Recovery Groups at the Local Site window to select all of
the Recovery Group Sets for activation.

4.

Click Activate Recovery Groups to start the activation operation. A window will appear asking
if it is OK to proceed. Click OK and you will be directed to the Jobs tab where you can monitor
the progress of the activation Job.

NOTE:

A successful Activate or Deactivate operation ensures that all of the Recovery Groups

within a Recovery Group Set are in the same state (activated or deactivated). However, certain
operations (for example, a Recovery Group edit to change site preference) may result in some
Recovery Groups within a Recovery Group Set being activated and others being deactivated. You
must run an Activate or Deactivate operation on a Recovery Group Set to ensure that all of the
Recovery Groups in that Recovery Group Set are in the same state ( all activated or all deactivated).

Unplanned failover

An unplanned failover typically involves the occurrence of a site-wide event, without prior warning.
This event may be a regional disaster (earthquake, massive flood), or a local problem (power loss
or water main leak in the data center).

An unplanned failover includes a series of steps performed at both sites in the Matrix recovery
management configuration. The following procedure assumes that the CMS and managed resources
running DR Protected logical servers survived an unplanned local event (for example, a power

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Testing and failover operations

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