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Huawei OceanStor V3 Series User Manual

Huawei OceanStor V3 Series
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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.
113

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Huawei OceanStor V3 Series Specifications

General IconGeneral
Supported ProtocolsFC, iSCSI, NFS, CIFS
RAID SupportRAID 0, 1, 3, 5, 6, 10, 50
ControllerRedundant, active-active controllers
CacheUp to several GB per controller
SnapshotSupported
ReplicationSupported
Form FactorRack-mountable
ControllersDual controllers
Host Interface8Gbps/16Gbps FC, 1Gbps/10Gbps iSCSI
Drive Types SupportedSSD, SAS, NL-SAS
Operating SystemHuawei OceanStor OS
Data ProtectionRAID, Snapshot, Replication
Data ServicesThin Provisioning
ManagementWeb-based GUI, CLI, SNMP
ScalabilityScalable capacity and performance
High AvailabilityRedundant hardware, hot-swappable components, automatic failover
Power SupplyRedundant power supplies

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