Verification
and soft recovery of Exchange replica Smart Copies are performed on
the replication partner. Verification consists of two steps: the actual
verification, and the soft recovery, where the database
is brought from a dirty shutdown state to a clean shutdown state. Soft recovery requires read-write
access to the database. In the case of replica Smart Copies, this
process requires some additional planning.
You can
give read-write access to the Smart Copy in the following ways:
Promote the replica set to a recovery volume
Clone the replica, which creates a new volume
A promoted replica will remain promoted only while
verification is running. As soon as verification completes, the replica
is demoted again, and replication can resume. However, any changes
made to the replica during the soft recovery phase of replication
are discarded when the replica is demoted, because replication for
any given volume is one way. No mechanism is available for replicating
changes made on the replication partner back to the original volume.
If you want to mount a replica Smart Copy of an Exchange
database on your Exchange server (for example, during a Restore as
New operation in ASM/ME), you must manually run soft recovery on that
Smart Copy first, even though soft recovery was run during the verification
process. You can perform a manual soft recovery by using the Exchange
Eseutil utility.
This restriction applies only
to replica Smart Copies. Snapshots and clones do not require this
extra step.
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