After the initial synchronization of a remote replication pair, if an application server writes data to primary resources or you need to split the pair, data inconsistency between primary and secondary resources may occur. This operation enables you to synchronize the remote replication pair to ensure data consistency between primary and secondary resources.
Prerequisites
- The remote replication pair for which you want to perform data synchronization has not been added to a consistency group.
- Secondary resource protection has been enabled.
- Running Status of the remote replication pair supports synchronization. Table 1 shows in which status a remote replication pair can be synchronized.
Table 1 Status requirements for synchronizing a remote replication pairRunning Status of a Remote Replication Pair
|
Synchronization Supported or Not
|
Normal
|
√
|
Split
|
√
|
Interrupted (link down)
|
×
|
Interrupted (link up)
|
√
|
To be recovered
|
√
|
Synchronizing
|
×
|
Invalid
|
×
|
√: Supported
×: Not supported
|
Procedure
- Choose Data Protection > Block Protection > Remote Replication Pair.
- Select one or more desired remote replication pairs and click Synchronize.
You can also click More on the right of a desired remote replication pair and select Synchronize.
- Confirm your operation as prompted.