Re: Exchange server super duper slow

Exchange creates 5 MB log files and stores current data there rather than in the actual database (priv.edb and priv.stm). When the first one fills up, another is added. This is partly for performance reasons - the most recent data gets the most use, and those little files can be read a lot faster or kept in memory.

When you do an online backup using Exchange-aware software such as NTBackup, the data from the log files is written to the database, and excess log files are deleted. One of the tasks that's accomplished by the online backup is to keep those log files from overrunning your disk space.

So when you do an online backup, most of those logs should go away (I'm not sure, but I think it'll keep 5 and delete the rest). Other than an online backup, the only way to get rid of the excess logs is to enable circular logging. You probably don't want to go that route, but if so, you can search support.microsoft.com and get plenty of info about circular logging (it basically moves older data to the databases as necessary, rather than creating additional log files).


"Trent Hewitt" <TrentLHewitt@xxxxxxxxx> wrote in message news:23fcaa3d-f9a4-417a-b331-5d0733421eea@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
I have retrospect as my backup software and it backs up the database
every other night. Last night, just incase I made a backup of the
first storage group using NTBackup.

When you say committing the log files, what exactly do you mean?

Also, is there a way I can remount the database and create a fresh set
of log transaction files?

Trent

.

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