August 2009
Intermediate to advanced
464 pages
13h 59m
English
Content preview from SQL Server 2008 Administration in Action
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5.4. Best practice considerations: failover clustering
Clustering SQL Server allows for the creation of highly available and reliable environments; however, failing to adequately prepare for a clustered installation can be counterproductive in that regard, with poorly planned and configured clusters actually reducing the availability of SQL Server.
While multi-instance clusters are more cost-effective than single-instance clusters, give careful consideration to the possibility (and implications) of a resource crunch in the event of failover.
N+1/M clusters offer both cost benefits and resource flexibility, but take into account the failover rules, particularly for clusters containing many servers and SQL Server instances.
Before installing a SQL ...
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