How to Force Immediate Takeover of a Protection Group by a Secondary Cluster

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Perform this procedure to take over an individual protection group by the secondary cluster.

Note - You can also accomplish this procedure by using the Oracle Solaris Cluster Manager GUI, if you do not need to use the –f force option. Click Partnerships, click the partnership name to go to its page, highlight the protection group name, and click Takeover. For more information about Oracle Solaris Cluster Manager, see Chapter 13, Using the Oracle Solaris Cluster GUI, in Oracle Solaris Cluster System Administration Guide .

Note - To take over a set of protection groups that are configured as a multigroup, instead follow procedures in How to Take Over a Multigroup.

Before You Begin

Before you force the secondary cluster to assume the activity of the primary cluster, ensure that the following conditions are met:

The Geographic Edition software is up and running on the secondary cluster.
The secondary cluster is a member of a partnership.
The Configuration status of the protection group is OK on the secondary cluster.
If you are using EMC Symmetrix Remote Data Facility, ensure that no LUNs in the data replication device group are in the SyncInProg state. Otherwise, the application might fail to start on the new primary cluster due to data inconsistencies.

Perform this procedure from a node in the secondary cluster.

Assume the root role or assume a role that is assigned the Geo Management RBAC rights profile.
For more information about RBAC, see Securing Geographic Edition Software in Oracle Solaris Cluster Geographic Edition Installation and Configuration Guide .
Note - If you use a role with Geo Management RBAC rights, ensure that the /var/cluster/geo ACLs are correct on each node of both partner clusters. If necessary, assume the root role on the cluster node and set the correct ACLs.
```
# chmod A+user:username:rwx:allow /var/cluster/geo
```
The /var/cluster/geo directory must have the correct access control lists (ACL) applied for compatibility between the Geo Management RBAC rights profile and the data replication software.
Initiate the takeover.
```
phys-newyork-1# geopg takeover [-f] protection-group-name
```
–f

Forces the command to perform the operation without your confirmation, even if the primary cluster for a protection group in the multigroup is reachable and the protection group is active on that cluster.

protection-group-name

Specifies the name of the protection group.

Example 11-2 Forcing a Takeover by a Secondary Cluster

The following example forces the takeover of the protection group example-pg by the secondary cluster cluster-newyork.

The node phys-newyork-1 is the first node of the secondary cluster. For a reminder of which node is phys-newyork-1, see Example Geographic Edition Cluster Configuration.

phys-newyork-1# geopg takeover -f example-pg

Next Steps

For information about the state of the primary and secondary clusters after a takeover, see Appendix D, Takeover Postconditions.

To fail back a protection group to the original cluster, see Recovering a Protection Group to a Cluster.