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 Problems with Database Mirroring in SQL 2005
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MDBVV
Starting Member

2 Posts

Posted - 06/12/2006 :  16:48:47  Show Profile  Reply with Quote
Hello,
I am having difficulty setting up database mirroring on a SQL2005 EE server using raw partitions as the database storage medium.

The databases are fully accessible, the mirror and endpoints are set up correctly, but when you start mirroring it goes into a suspended state immediately, in the error logs I find the following error:

CREATE FILE encountered operating system error 32(The process cannot access the file because it is being used by another process.) while attempting to open or create the physical file 'C:\DriveMapping\Log_Disk3\'

If I move the log file onto a NTFS partition the mirror will start up and run without a problem, however we have noticed a significant performance hit when we do not use raw partitions. Any idea's as to what is wrong?

eyechart
Flowing Fount of Yak Knowledge

USA
3575 Posts

Posted - 06/12/2006 :  19:40:59  Show Profile  Reply with Quote
Have you applied SQL2K5 SP1 yet?



-ec
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Michael Valentine Jones
Yak DBA Kernel (pronounced Colonel)

USA
7020 Posts

Posted - 06/12/2006 :  20:33:14  Show Profile  Reply with Quote
Is database mirroring with raw partitions even supported?













CODO ERGO SUM
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MDBVV
Starting Member

2 Posts

Posted - 06/13/2006 :  11:09:59  Show Profile  Reply with Quote
SP1 has been applied, the error only occurs if the log is on a raw partition it seems, if i move the log to a ntfs partition everything works fine (rest of the database is on raw partitions)
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Liew2020
Starting Member

26 Posts

Posted - 10/28/2008 :  02:40:26  Show Profile  Reply with Quote
hi, I faced the same problem as well. I have everything mention applied, but the DB Mirror show as SUSPENDED on primary site. Does anyone know to resolve it?

Regards,
Jimmy Liew
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mcrowley
Aged Yak Warrior

771 Posts

Posted - 10/28/2008 :  10:28:48  Show Profile  Reply with Quote
When you add a file (or in this case a raw partition) to a mirrored database, you will need to have the exact path available to SQL Server on the partner server. Can it be that SQL Server is looking for a particular Disk ID for the new file?
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