BackupDiskFile::CreateMedia: Backup device failed to create

Hi,
In SQL Query Analyzer, I run the following command.
Backup database sharepoint_webspace To sharepoint_webspace with init,
name='sharepoint_webspace_full'.
The result was,
Server: Msg 3201, Level 16, State 1, Line 1
Cannot open backup device 'sharepoint_webspace'. Device error or device
off-line. See the SQL Server error log for more details.
Server: Msg 3013, Level 16, State 1, Line 1
BACKUP DATABASE is terminating abnormally.
SQL server log shows:
===
BACKUP failed to complete the command Backup database SharePoint_WebSpace To
sharepoint_webspace with init, name='SharePoint_WebSpace_full'
BackupDiskFile::CreateMedia: Backup device
'z:\data\MYSQL\BACKUP\sharepoint_webspac
e.BAK' failed to create. Operating
system error=32 (The process cannot access the file because it is being used
by another process.)
===
The backup disk file z:\data\MYSQL\BACKUP\sharepoint_webspace
.BAK has some
old backed up stuff. It's over 11G right now.
Question I have:
How should I know what process is using the sharepoint_webspace.BAK file? I
checked Process Info in EM, there are four processes associated with the
sharepoint_webspace database, but three of them are connections from the IIS
web server (Network Library: TCP/IP). The other one is the Backup command
I'm running in SQL Query Analyzer (Network Library).
How should I get the problem fixed?
Thanks much in advance,
BingNever mind. I've figured it out. Another process is trying to write the
backup disk file to tapes but no more tapes available.
Bing
"bing" wrote:

> Hi,
> In SQL Query Analyzer, I run the following command.
> Backup database sharepoint_webspace To sharepoint_webspace with init,
> name='sharepoint_webspace_full'.
> The result was,
> Server: Msg 3201, Level 16, State 1, Line 1
> Cannot open backup device 'sharepoint_webspace'. Device error or device
> off-line. See the SQL Server error log for more details.
> Server: Msg 3013, Level 16, State 1, Line 1
> BACKUP DATABASE is terminating abnormally.
> SQL server log shows:
> ===
> BACKUP failed to complete the command Backup database SharePoint_WebSpace
To
> sharepoint_webspace with init, name='SharePoint_WebSpace_full'
> BackupDiskFile::CreateMedia: Backup device
> 'z:\data\MYSQL\BACKUP\sharepoint_webspac
e.BAK' failed to create. Operatin
g
> system error=32 (The process cannot access the file because it is being us
ed
> by another process.)
> ===
> The backup disk file z:\data\MYSQL\BACKUP\sharepoint_webspace
.BAK has some
> old backed up stuff. It's over 11G right now.
> Question I have:
> How should I know what process is using the sharepoint_webspace.BAK file?
I
> checked Process Info in EM, there are four processes associated with the
> sharepoint_webspace database, but three of them are connections from the I
IS
> web server (Network Library: TCP/IP). The other one is the Backup command
> I'm running in SQL Query Analyzer (Network Library).
> How should I get the problem fixed?
> Thanks much in advance,
> Bing