Synchronizing A Consistency Group - Huawei OceanStor V3 Series Features Manual

OceanStor V3 Series
Remote Replication Feature Guide for Block
Parameter
Set the I/O
timeout
threshold for the
secondary LUN
Timeout
Threshold
(second)
Step 5 Confirm the operation of modifying properties of the consistency group.
1.
2.
----End

7.3 Synchronizing a Consistency Group

This operation enables all remote replication pairs contained in a consistency group to initiate
data synchronization simultaneously so that data is synchronized from all primary LUNs to all
secondary LUNs at the same point in time, ensuring data validity.
Prerequisites
l
l
l
Issue 06 (2018-01-30)
Description
If data is written into the primary LUN but fails
to be written into the secondary LUN when the
timeout period you set has elapsed, the remote
replication pair enters the Interrupted status.
NOTE
This parameter is available only when Replication
Mode is set to Synchronous.
The timeout for data written into the secondary
LUN.
NOTE
This parameter is available only when Replication
Mode is set to Synchronous.
Click OK.
The Execution Result dialog box is displayed indicating that the operation is successful.
Click Close to complete modifying the properties of the consistency group.
This operation can be performed only on the primary device of a consistency group.
Secondary resource protection has been enabled.
Based on Running Status of a consistency group, determine whether data
synchronization can be performed for the consistency group, as shown in
Table 7-4 Status requirements for synchronizing a consistency group
Running Status of a
Consistency Group
Normal
Split
Interrupted (Link down)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Synchronizing
Synchronous Remote
Replications in a
Consistency Group
×
√
×
7 Managing Consistency Groups
Setting
[Example]
Enabled
[Example]
30
Table 7-4.
Synchronizing
Asynchronous Remote
Replications in a
Consistency Group
√
√
×
136