Windows defrag on an Exchnge 2003 server

Have a HP Proliant DL380 G4 with a Smart Array 6i RAID controller.  Runs Windows 2003 and Exchange 2003.

It was configured as one big RAID 5 array.

Windows shows the drive very fragmented.  Two questions:

1. Can you use the Windows defrag on a RAID array?

2. Any special issues since the server is running Exchange?

Thanks

abpExpertAsked:
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rindiCommented:
No issues either way.
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Justin OwensITIL Problem ManagerCommented:
Remember that Windows Defrag will not defrag open, locked files.  Because of the nature of Exchange, you will not recover any space at all with a defrag, and unless the storage groups are dismounted, they won't be defragmented (edb, stm, etc).  Rindi is correct in that a Windows defrag can be run on any RAID type at all, whether hardware of software, but unless you want to schedule downtime, you won't see any performance change to defragmenting your Exchange database files.

DrUltima
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Alan HardistyCo-OwnerCommented:
In all the years I have managed an Exchange Server, I have never defragged one and don't see the need to defrag the drive.

If you want to do it - dismount the store and stop ALL the Exchange services before you start so that you don't mess Exchange up.

Personally - I wouldn't bother.

Alan
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Justin OwensITIL Problem ManagerCommented:
Alan,

That assumes his Exchange files are on their own partition.  If there is a single partition, there may be OS value to a defrag.   I do agree that defragging the Exchange DB really won't help anything.

DrU
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Alan HardistyCo-OwnerCommented:
True - if all on one partition - then tread carefully - follow my advice above - if split - then DrU's advice to defrag the OS is good advice.
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