ATA_IT


Hi team,

At one of our SQL2005 servers we've got a really strange problem. The transaction logfile of one of our databases is suddenly disappearing without a reason. From that moment on the event log (application) is being filled up with SQLserver event 9001

Event Type: Error
Event Source: MSSQL$SQLEXPRESS
Event Category: (2)
Event ID: 9001
Date: 16/04/2007
Time: 12:31:40
User: N/A
Computer: PBVSRV
Description:
The log for database 'Putboringen' is not available. Check the event log for related error messages. Resolve any errors and restart the database.

For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Data:
0000: 29 23 00 00 15 00 00 00 )#......
0008: 12 00 00 00 50 00 42 00 ....P.B.
0010: 56 00 53 00 52 00 56 00 V.S.R.V.
0018: 5c 00 53 00 51 00 4c 00 \.S.Q.L.
0020: 45 00 58 00 50 00 52 00 E.X.P.R.
0028: 45 00 53 00 53 00 00 00 E.S.S...
0030: 07 00 00 00 6d 00 61 00 ....m.a.
0038: 73 00 74 00 65 00 72 00 s.t.e.r.
0040: 00 00
..

We already had this a few times before and really are unable to find the root cause for this. Can you help us out

The server is a Dell PE1900 running SBS2003R2. Database is stored on a seperate volume (R5 configuration). Environment is +-5 workstations

Thanks

Didier




Re: Transaction log file disappearing without reason

Madhu K Nair


i don't think this is a problem of SQL Server. You cannot delete a log file of database which is in use from SQL Server. It may be the problem from OS or any other application.

Madhu







Re: Transaction log file disappearing without reason

ATA_IT

yeah, my thoughts exactly, but it's a standard SBS2003R2 running a SQL express... No other software is running on this machine, even not backup since ntbackup is being used... The drive is not shared (lol)...

the database is around 1GB, free disk space is +- 65G, I'm not seeing error 9002 (full disk)... to be honest, I don't have a clue anymore....

Thanks

Didier






Re: Transaction log file disappearing without reason

Madhu K Nair

check SQL Log and application log for any clue

Madhu






Re: Transaction log file disappearing without reason

ATA_IT

Dear Madhu,

After checking with our programmer it appears that the file does not disappear, but that SQL suddenly can't find the file anymore (while it's still there)...

So it's not being deleted at all ...

Sorry for the confusion...

Didier





Re: Transaction log file disappearing without reason

Peter Byrne MSFT

Is it a permissions issue The errorlog should have the exact operating system error for the problem.




Re: Transaction log file disappearing without reason

ATA_IT

Dear,

Thanks for your reply!

Meanwhile we've noticed that there was a setting on that stopped and started the SQL express database after it was idle for a while... Also Symantec Corporate + mail security is installed on this machine. I've excluded the folders now where the DB is located to in the AV. Maybe this can cause this as well... We need to eveluate this for a while but I'll let you know the results...

Thanks

Didier





Re: Transaction log file disappearing without reason

Kevin Farlee

Didier,

Can you describe what state the files are that are inaccessable

Did they get quarantined by the AV app, or otherwise locked down

Understanding this could help other customers as well.