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IFS or M drive

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IFS or M drive - 26.Feb.2002 1:10:00 AM   
my M drive is filling up. How do I get more space for it? My Partition the the stores are on has 20g of free space. But I dont know how to increase the M drive.
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RE: IFS or M drive - 28.Feb.2002 12:22:00 AM   


Posts: 980
Joined: 31.Oct.2001
From: Göteborg - Sweden
Status: offline

The M drive is just a virtual drive which is used by the exchange server. In other words you will always have as much free disk on the M drive as e.g. the C drive!

The reason why you are running out of space is most likely that you haven't backed up the Exchange log files. Check the directory c:\program files\exchsvr\mdbdata for log files. Most likely you'll find lots of 5120kB large log files. Exchange stores everything in a huge database. Every change (i.e. incoming, outgoing email etc) is stored in the database and the log files. The intention is to regulary backup the log files. So if for some reason the database file becomes corrupt you can restore the database (and thus all mailboxes) by restoring the log files and start a recovery install of exchange. Long explanation, but here to the point: you need to regulary backup the exchange log files! When you take a backup of the exchange data store exchange will automatically delete the log files and return used disk space. The simplest way to take a backup is to use the built in ntbackup utility. Run this from the exchange server, backup the information store (check Microsoft Exchange Server->"your server"->Microsoft Information Store) and backup to either a tape drive or another harddisk. As soon as the backup procedure finishes exchange will delete log files and return disk space.



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