remain available for use; however, RecoverPoint will pause the transfer to the local
copy until production is resumed at the protected site. If an SRM failover has
occurred and you need to access the local copy, the RecoverPoint consistency group
must be changed from “Group is managed by SRM, RecoverPoint can only monitor” to
“Group is in maintenance mode. It is managed by RecoverPoint.” Once this is done,
the local copy can be managed though the RecoverPoint management application GUI
or command line. This is done automatically by products that integrate with
RecoverPoint, such as EMC Replication Manager.
Ensuring reliable recovery through automation and testing
Testing disaster recovery plans and ensuring that they are executed correctly are
critical to making recovery reliable. However, testing is difficult with traditional
solutions due to the high cost, complexity, and disruption associated with tests.
Another challenge is ensuring that staff are trained and prepared to successfully
execute the complex process of recovery.
VMware vCenter SRM helps you overcome these obstacles by enabling realistic,
frequent tests of recovery plans and eliminating common causes of failures during
recovery. It provides built-in capabilities for executing realistic, nondisruptive tests
without the cost and complexity of traditional disaster recovery testing. Because the
recovery process is automated, you can also ensure that the recovery plan will be
carried out correctly in both testing and failover scenarios. Site Recovery Manager
also leverages VMware Infrastructure to provide hardware-independent recovery to
ensure successful recovery even when recovery hardware is not identical to
production hardware.
SRM is not a replication technology but a technology that manages the processes and
automation steps in recovery. As such, it is dependent on other technologies, such as
RecoverPoint, to replicate data from the primary site to the secondary site. SRM
recovery plans can leverage the RecoverPoint image access capability to
nondisruptively test the failover process to ensure that the secondary image is
consistent and usable. SRM relies on two independent VMware vCenter Servers to be
in place at both the protected (primary) site and at the recovery (secondary) site to
facilitate the failover process between the two sites.
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