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| Oracle Solaris Cluster Geographic Edition Data Replication Guide for Hitachi TrueCopy and Universal Replicator

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## Resynchronizing a Hitachi TrueCopy or Universal Replicator Protection Group

You can resynchronize the configuration information of the local protection group with the configuration information that is retrieved from the partner cluster. You need to resynchronize a protection group when its `Synchronization` status in the output of the `geoadm status` command is `Error`.

For example, you might need to resynchronize protection groups after booting the cluster. For more information, see Booting a Cluster in Oracle Solaris Cluster Geographic Edition System Administration Guide.

Resynchronizing a protection group updates only entities that are related to Geographic Edition software. For information about how to update Oracle Solaris Cluster entities, see Replicating and Upgrading Configuration Data for Resource Groups, Resource Types, and Resources in Oracle Solaris Cluster Data Services Planning and Administration Guide.

## How to Resynchronize a Protection Group

Before You Begin

The protection group must be deactivated on the cluster where you are running the `geopg update` command. For information about deactivating a protection group, see Deactivating a Hitachi TrueCopy or Universal Replicator Protection Group.

1. Log in to a cluster node.

   You must be assigned the Geo Management RBAC rights profile to complete this procedure. For more information about RBAC, see Geographic Edition Software and RBAC in Oracle Solaris Cluster Geographic Edition System Administration Guide.

2. Resynchronize the protection group.

       # geopg update protectiongroupname

   protectiongroupname

     Specifies the name of the protection group

Example 2-24 Resynchronizing a Protection Group

This example resynchronizes a protection group.

    # geopg update tcpg

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