Showing posts from October, 2007

Standby Continuous Replication (Part I)

One of the most interesting features of Exchange Service Pack 1 (in the time of writing still in Beta) is probably Standby Continuous Replication (SCR). In RTM version of Exchange Server 2007 Microsoft introduced Local Continuous Replication and Cluster Continuous Replication which are variations of SQL Server's Log shipping feature.

To enable more disaster-recovery situations/possibilities Microsoft introduced Standby Continuous Replication in its Service Pack 1 for Exchange Server 2007.Characteristics that are distinguishing SRC from LCR and CCR (from Exchange Server SP1 Help):SCR supports multiple targets per storage group. LCR and CCR support only one replication target per storage group (the passive copy). SCR includes a built-in delay for replay activity, and allows enables an administrator to specify an additional delay. This is useful in a variety of scenarios. For example, in the event of logical corruption of an active database, the built-in and additional admin-configure…