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Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

SAN Considerations for SQL Server

Before you rush out and purchase a SAN or two for your SQL Server environments, there are some considerations to keep in mind when using SANs with SQL Server.

Cache Performance

One of the reasons SANs can offer superior performance to locally attached storage is they typically are configured with a significant amount of cache space. This is normally a good thing. However, because the SAN provides storage services to multiple servers, the available cache space is shared as well. If there is significant activity against the SAN, there can be extensive cache turnover. This means that the large cache space may not always be available to SQL Server, so some of the performance gains provided by the large cache are ...

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Publisher Resources

ISBN: 9780768696585Purchase book