Exchange not truncating transaction logs

Posted on 2013-11-01
Last Modified: 2013-11-10
Is there a way to tell Exchange server 2007 to truncate transaction logs for a storage group after its been backed up even though the other storage groups are still being backed up?

For example, I have 20 storage groups, each with 1 mailstore in it. Can exchange begin truncating the logs of storage group 1 once its backup has completed, even though storage groups 2 through 20 are still being backed up? And then similiarly, begin truncating the logs of storage group 2 once its backup is completed, event though 3 throughh 20 are still backing up? etc. etc.

My problem is that my exchange server will not beging truncating transaction logs until all 20 storage groups have been successfully backed up. If even 1 out of 20 fails backup, nothing is truncated.

thank you
Question by:cyberleo2000
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LVL 34

Expert Comment

by:Seth Simmons
ID: 39616663
what backup software are you using?

Author Comment

ID: 39616732
symantec netbackup
LVL 52

Expert Comment

by:Manpreet SIngh Khatra
ID: 39616803
Look all DB's under a Storage group have to be successfully backed if not Logs wont Truncate and also it has to be either Full or Incremental for logs to be purged.

Do hope no SCR or disconnected Storage copy is available

- Rancy
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Author Comment

ID: 39616921
Its an active-passive CCR cluster. We backup the passive node. Each mailstore is in own storage group, so shouldn't the logs for that mailstore truncate as soon as netbackup tells the vsswriter that mailstore has been successfully backed up? I'm not getting any event id 224.

I'm wondering if the problems isn't with netbackup but rather with vsswriter.

Accepted Solution

cyberleo2000 earned 0 total points
ID: 39624972
log files are being truncated, its event 224 that is not being generated.
LVL 52

Expert Comment

by:Manpreet SIngh Khatra
ID: 39627006
So were you simply trying to check for event 214 to determine if Log truncation is happening or not after successful backups ?

- Rancy

Author Comment

ID: 39627320
backups are successful, logs are truncated, but events 223 and 224 are not being generated.

I initially thought log truncation was not occurring because I was not seeing the events. But the number of logs in the log folder decreases substantially after a backup, so they are truncating.

Author Closing Comment

ID: 39636717
i figured it out

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