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Windows Disk Defragmenter Question - 13.May2005 9:43:00 PM

KThomas00

Posts: 2
Joined: 11.May2005
From: Massachusetts
Status: offline

Hello,

We installed Exchange on our D: drive which is 273GB. When I analyze the D: drive (using Windows Defragmenter) it is 98% fragemented. Obviously this isn't very good. I've been told that you should not run Windows Defragementer on an Exchange server, you should use Offline Defrag. Is there any truth to this?

We ran an offline defrag a few weeks back, and after it completed, we checked the drive and there was very little difference.

My assumption is that the offline defrag only does the priv1.edb and .stm file.

Can anyone shed some light on this matter?

Thanks!

Post #: 1

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RE: Windows Disk Defragmenter Question - 13.May2005 11:04:00 PM

Henrik Walther

Posts: 6827
Joined: 21.Nov.2002
From: Copenhagen, Denmark
Status: offline

You correct an offline defrag using ESEUTIL only defragments the Exchange databases (.edb and .stm). An online Exchange defrag is done each night, but also only reorganize the Exchange databases.

Running the Windows defragmentation on the D: partition should be ok, but remember to take a full backup first!

(in reply to KThomas00)

Post #: 2

RE: Windows Disk Defragmenter Question - 23.May2005 4:32:00 PM

a.grogan

Posts: 1887
Joined: 12.Apr.2005
From: London
Status: offline

Another solution that I am aware of is to shutdown Exchange (fully) take a FULL tape backup of your databases, copy them to another location (so you end up with two FULL backups of the databases (one on another drive and one on tape) delete the databases on the DB drive then defrag it.
Copy the backup databases back to the drive and then start Exchange.

Its not something that I would do personally due to the risk invloved, but I am aware that it has worked for some people that I know.

(in reply to KThomas00)

Post #: 3