Site Recovery Manager failback
A failback operation switches data processing from the recovery site (target) to the
protected site (source). VMware vCenter SRM versions earlier than 5.0 do not support
automated failback. For these releases you can perform a partially automated
failback with Site Recovery Manager; a manual failback; utilize the manual failback
capability written by EMC and provided in the RecoverPoint storage replication
adapter; or utilize the automated site recovery manager written by EMC and provided
as a vCenter plug-in. For SRM versions earlier than 5.0 VMware recommends
performing failback with SRM; refer to the relevant SRM documentation. A high-level
overview of the manual failback process is presented here:
1. Delete protection groups at the protection site and a recovery plan at the recovery
site
2. Create protection groups at the recovery site and a recovery plan at the protection
site
3. Execute a recovery plan at the protection site in test mode.
4. If the test is successful, execute a recovery plan in recovery mode.
5. Delete protection groups at the recovery site and a recovery plan at the protection
site.
6. Create protection groups at the protection site and a recovery plan at the recovery
site.
Note: Protection site = production/primary site; recovery site = remote/secondary
site; protection group = replication group on the protection site/shadow group on the
recovery site
The failback capabilities in the RecoverPoint SRA help automate the previous steps;
additionally the capabilities of EMC RecoverPoint help simplify the recovery of
production to the original protected site, by supporting bi-directional replication and
automating the failback process (outside of SRM) though RecoverPoint wizards. For
information about performing a failback using RecoverPoint (called Resume
Protection in the RecoverPoint system) refer to the
EMC RecoverPoint Administrator’s
Guide.
Automated failback for Site Recovery Manager versions earlier than 5.0
The user can use the EMC RecoverPoint Site Recovery Manager failback tool to
automate the failback. This tool is a plug-in to VMware vCenter Server Virtual Center,
just like VMware vCenter Site Recovery Manager. Once installed, users have access to
the features and steps necessary to automate the failback process after VMware
vCenter SRM has been used to mitigate a disaster. Similar to SRM, the tool helps
users configure the relationship between the disaster recovery site and the
production site. The user identifies the LUNs that have been failed over, and simply
presses the failback button – RecoverPoint handles the rest.
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