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Agile Insider Blog

Protecting Mirrored SQL 2005 or 2008 Databases with DPM 2007 SP1

Vic Reavis posts a great blog article/video tutorial on how to set up Mirrored SQL Server 2005 or 2008 Databases using Microsoft Data Protection Manager 2007 w/SP1.

Considering the vast amount of mission critical data stored on SQL servers globally, the high availability of database mirroring with the frequent snapshots of DPM make protection and recovery scenarios much less fearful for administrators entrusted with protected SQL data.

Database mirroring protection can be thought of as a blend between SQL Failover Clusters and stand-alone SQL Servers. As with SQL Clusters, DPM is able to follow the database as it is failed over from one node to another. At the same time, DPM still provides the same level of protection scheduling options and recoverability as it does with stand-alone SQL databases. DPM is also capable of protecting a mirrored database when it is encrypted, via the use of certificates, or if the mirroring configuration spans domains or even forests.

Since we have a fundamental understanding of database mirroring based on the blog “SQL Database Mirroring for DPM Administrators”, let’s dive in and discuss what is needed to protect a mirrored database.

There are videos available for viewing as supplements to this blog which demonstrate the protection of a mirrored database which spans a Windows Failover Cluster on the Principal side and the Mirror server as a stand-alone SQL server. Another video covers a basic database mirror across a pair of stand-alone SQL Servers, while the third demonstrates what happens when a protected database is mirrored after protection has been running for some time.

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Read the rest @> Ask the Core Team : Protecting Mirrored Databases with DPM 2007 SP1

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