6.3 Synchronizing a Remote Replication Pair
In the scenario where a remote replication pair has completed the initial synchronization and
then a host writes data to the primary resource or splits the remote replication pair, there will
be data inconsistency between the primary resource and the secondary resource. In this case,
you can synchronize the remote replication pair to ensure data consistency.
Prerequisites
l The remote replication pair for which you want to perform data synchronization is not
added to a consistency group.
l The secondary resource protection status is read-only.
l The Pair Running Status of the remote replication pair determines whether data
synchronization can be performed for the remote replication pair, as shown in Table 6-4.
Table 6-4 Status requirements for synchronizing a remote replication pair
Pair Running Status
Synchronizing a
Synchronous Remote
Replication Pair
Synchronizing an
Asynchronous Remote
Replication Pair
Normal × √
Split √ √
Interrupted (Link down) × ×
Interrupted (Link up) √ √
To be recovered √ √
Synchronizing N/A ×
Invalid × ×
√: Able to operate.
×: Unable to operate.
Procedure
Step 1 Log in to DeviceManager.
Step 2 Choose
Data Protection > Remote Replication > Remote Replication Pair.
Step 3 Right-click the remote replication you want to synchronize and choose Synchronize.
The security alert dialog box is displayed.
Step 4 Confirm the remote replication synchronization.
1. Confirm the information in the dialog box. Select I have read and understand the
consequences associated with performing this operation. and click OK.
OceanStor V3 Series
Remote Replication Feature Guide for Block
6 Managing Remote Replication
Issue 06 (2018-01-30) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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