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date: Thu, 19 Jan 2006 07:10:03 -0800,
group: microsoft.public.exchange2000.information.store
back
RE: offline defrag using ESEUtil
Hi there,
Thank you for posting here!
Thanks for Leif's sharing. The detailed information you need is provided in
the KB 328804 article provided by Leif. Also, I have listed some key
information to answer your questions as below:
1. Before you perform the defragment, it is strongly recommended that you
backup the the Exchange database.
How to Back Up and Restore an Exchange Computer by Using the Windows Backup
Program
http://support.microsoft.com/?id=258243
2. We need to dismount the store on which you want to perform the
defragment.
3. The amount of free disk space needed to defragment a database (Eseutil
/d) is 110 percent of the size of the file being defragmented. More
information is documented in the following Microsoft KB article:
XADM: Free Disk Space Requirements for Eseutil.exe
http://support.microsoft.com/?id=183888
4. If the drive which hosts the Exchange dababases on your side does not
have such much free space, we can use the Eseutil /t switch to redirect the
temporary defragmentation database to a drive with plenty of free space.
The command would be similar to the following one:
c:\program files\exchsrvr\bin>eseutil /d "c:\program
files\exchsrvr\mdbdata\priv1.edb" /tG:\Folder1\TempDfrg.edb
Note: This command will automatically move defraged database to the
original location and you do not need to do this manually.
You can refer to the following Microsoft KB article for more information
about this:
255035 XADM: How to Recover Hard Disk Space from Exchange Server Databases
http://support.microsoft.com/?id=255035
Note: You can refer to the "Offline Defragmentation with Redirected
Temporary Database" section.
5. Do NOT use eseutil /p command if you just want to perform an offline
defragment.
6. After the offline defragment, please also take a backup of the database.
I hope the information above is helpful.
If anything in my post is unclear, feel free to let me know.
Have a good day!
Thanks & regards,
Winfred Weng
Microsoft Online Partner Support
Get Secure! - www.microsoft.com/security
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>
>Moved a lot of mailboxes off a Ex2k server, need to do an offiline defrag
to
>shrink the IS since I don't have a lot of hard drive space left on this
>server. In looking at KBs 192185 and 244525 I see I can do an defrag on
>another server which I must do since not enough space on the Ex2K svr. A
few
>questiosn the KB's do not seem to cover. Other than the /d switch are
there
>any other switches I need to use, where will it place the defraged db's,
do I
>need to copy the .edb and the .stm file or just the .edb files to the
server
>doing the defrag, do I dismount the IS before I copy the db's, once the
>degrag is done do I just copy over the new db's over the old ones? Lots
of
>details I would like to know that the KB's don't mention. Thanks
>
date: Fri, 20 Jan 2006 05:09:03 GMT
author: (Winfred Weng [MSFT])
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