Exchange Team news

System Center Operation Manager

mercredi 27 avril 2011

Partition alignment and NTFS Allocation unit size

Below is a table of recommendations for use with Exchange.

Best practice: 64 KB for both .edb and log file volumes.

Description

Recommended Value

Storage Track Boundary

64K or greater. (1MB recommended)

NTFS allocation unit/cluster size

64KB (DB and Log Drives)

RAID Stripe size

256KB or greater. Check with your storage vendor for best practices

Source : http://blogs.technet.com/b/mikelag/archive/2011/02/09/how-fragmentation-on-incorrectly-formatted-ntfs-volumes-affects-exchange.aspx

Plus : http://technet.microsoft.com/fr-fr/library/ee832792.aspx