Running Status of a
Consistency Group
Synchronizing
Synchronous Remote
Replications in a
Consistency Group
Synchronizing
Asynchronous Remote
Replications in a
Consistency Group
Interrupted (Link up)
√
(Can be performed only
on the primary device of a
consistency group.)
√
(Can be performed only
on the primary device of a
consistency group.)
To be recovered
√
√
Invalid
×
×
Synchronizing
×
×
√
: Able to operate.
×: Unable to operate.
Precautions
When synchronous consistency groups are synchronizing, if the storage system has a
controller reset, which may cause synchronization failure in some remote replication tasks,
the consistency groups cannot guarantee data consistency.
Procedure
Step 1
Log in to DeviceManager.
Step 2
Choose
Data Protection
>
Remote Replication
>
Remote Replication
Consistency Group
.
Step 3
Right-click the desired consistency group and choose
Synchronize
.
The security alert dialog box is displayed.
Step 4
Confirm the synchronization operation.
1.
Carefully read the contents of the dialog box. Select
I have read and understand the
consequences associated with performing this operation.
and click
OK
to confirm the
information.
2.
Click
OK
.
The
Success
dialog box is displayed indicating that the operation is successful.
3.
Click
OK
.
----End
7.4 Splitting a Consistency Group
This operation enables you to split all remote replication pairs in a consistency group
simultaneously so that a full data copy is generated for each secondary LUN in each pair,
facilitating report generation, test, data mining, decision making, and data recovery.
OceanStor V3 Series
Remote Replication Feature Guide for Block
7 Managing Consistency Groups
Issue 06 (2018-01-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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