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corrupt log file - 10.Oct.2003 12:53:00 PM

mconran

Posts: 14
Joined: 11.Feb.2002
From: Dublin
Status: offline

Hi,

My Exchange is operational at the moment and I'm reluctant to make any changes but my backup logs are reporting a corrupt file, yet the size of the backup is still the same as it was before it started failing.

Here is the backup log file;
Backup of "\\SERVER\Microsoft Information Store\First Storage Group "
Backup set #2 on storage media #1
Backup set description: "exch weekly"
Backup Type: FULL - Database & Logs (flush committed logs)
Backup started on 09/10/2003 at 04:50:22 .
Database Mailbox Store (SERVER)
Database Public Folder Store (SERVER)
Log files
Access denied to database .
^ ^ ^ ^ ^
WARNING: "Log files" is a corrupt file.
This file cannot verify.

Event Viewer is also reporting the following errors;

Event Type: Error
Event Source: ESE98
Event Category: Logging/Recovery
Event ID: 214
Date: 09/10/2003
Time: 06:21:31
User: N/A
Computer: SERVER
Description:
Information Store (3288) The instance adc1800b-31cd-4a5d-8d53-77a8ef870611 has stopped the backup with error -612.

For more information, click http://www.microsoft.com/contentredirect.asp.

Event Type: Error
Event Source: ESE98
Event Category: Logging/Recovery
Event ID: 218
Date: 09/10/2003
Time: 06:21:31
User: N/A
Computer: SERVER
Description:
Information Store (3288) Error (-612) during backup of file C:\Program Files\Exchsrvr\mdbdata\E0007798.log.

For more information, click http://www.microsoft.com/contentredirect.asp.

Event Type: Error
Event Source: ESE98
Event Category: Logging/Recovery
Event ID: 477
Date: 09/10/2003
Time: 06:21:31
User: N/A
Computer: SERVER
Description:
Information Store (3288) The log range read from the file "C:\Program Files\Exchsrvr\mdbdata\E0007798.log" at offset 3703296 (0x0000000000388200) for 6656 (0x00001a00) bytes failed verification due to a range checksum mismatch. The read operation will fail with error -612 (0xfffffd9c). If this condition persists then please restore the logfile from a previous backup.

For more information, click http://www.microsoft.com/contentredirect.asp.

Event Type: Error
Event Source: ESE98
Event Category: Logging/Recovery
Event ID: 218
Date: 10/10/2003
Time: 06:10:55
User: N/A
Computer: SERVER
Description:
Information Store (3288) Error (-612) during backup of file C:\Program Files\Exchsrvr\mdbdata\E00077BF.log.

For more information, click http://www.microsoft.com/contentredirect.asp.

I'm afraid to restart the server incase it wont come backup. I also dont want to spend the entire weekend fixing it!

Can soemone please point me in the right direction?

Regards and thanks in advance,

Matt

Post #: 1

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RE: corrupt log file - 17.Oct.2003 3:30:00 AM

sniper

Posts: 152
Joined: 18.Jul.2002
From: OK , USA
Status: offline

MAtt,

What backup software and also if you have a system level AV product installed exclude the MBDDATA folders and the log files direcorie they can and will corrupt both.

(in reply to mconran)

Post #: 2

RE: corrupt log file - 10.Nov.2003 1:45:00 PM

VRHR

Posts: 5
Joined: 10.Nov.2003
From: Netherlands
Status: offline

Most likely your one of your logfiles is corrupt and therefore cannot be cleared upon a full backup. You risk an unmountable database once you restart your server. There is a KB article discussing a related problem:
http://support.microsoft.com/?kbid=301438

(in reply to mconran)

Post #: 3