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Microsoft® Exchange Server 2003 Scalability with SP1 and SP2
book

Microsoft® Exchange Server 2003 Scalability with SP1 and SP2

by Pierre Bijaoui
October 2006
Intermediate to advanced content levelIntermediate to advanced
600 pages
23h 55m
English
Digital Press
Content preview from Microsoft® Exchange Server 2003 Scalability with SP1 and SP2
312 4.9 Fundamentals of storage performance
and provides several orders of magnitude of improved response time, in the
best cases.
Figure 4.57 gives the logical steps involved in performing a write opera-
tion, and compares the sequence of events between cached write operations
and non-cached (a.k.a write-through) operations.
4.9.3 Write-back cache
As explained previously, the write-back decouples the I/O completion from
the actual physical operation. This is beneficial in the case of Exchange
2000, especially for the transaction log files. The caveat is that in a certain
sense, the controller lies to the application and operating system by con-
firming a ...
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Publisher Resources

ISBN: 9781555583002