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Posted Mar 9, 2010

High availability and Scalability with SQL Server 2008

By DatabaseJournal.com Staff

One or more databases are at the heart of every organization.   When your critical databases are unavailable or unresponsive, your company suffers.  Depending on your situation, when your database is down your company may be losing revenue, as well as customers lose faith in your business.  Therefore, it is critical to keep your databases up and running during your normal business hours. 

Microsoft did a fair job of providing high availability options like database mirroring and failover clustering in SQL Server 2005.  However, with the introduction of SQL Server 2008 they provided additional high availability options that where typically only available using third party products.  With SQL Server 2008, you can now come close to zero downtime for your SQL Server environment. This white paper explores Database Mirroring, Log Shipping, Failover Clustering, Peer-to-Peer Replication, Database Snapshots and Dynamic configuration.   

With all the different high availability options and configuration settings, you need to determine which options make sense for your situation.   You need to weigh the different SQL Server failover options against your high availability requirements.  You will need to determine which hardware and software options fit into your budget and requirements.  SQL Server 2008 provides many rich options that your DBA can use to implement a database environment that will scale with your needs and provide you the fault tolerance your company requires.

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