From: Iain Sharp on 24 Mar 2010 13:01 However, many 'disk cleanup' programs (including microsoft's own I think) will delete or zero out *.log files as these are generally temporary. As such, some other program may have 'corrupted' your log file due to the naming convention. On Tue, 23 Mar 2010 18:44:46 -0700, "Jeffrey Williams" <jeff.williams3188(a)verizon.net> wrote: >SQL Server does not care what the extension on the files are - you can even >have files with no extensions and SQL Server will be happy. > >Jeff > > >"A" <A(a)discussions.microsoft.com> wrote in message >news:44F73A97-698A-45DF-897A-42588A652E21(a)microsoft.com... >> Never mind..........It looks like the log file is corrupted. I don't know >> if >> the reason is having the .LOG as log file extension but it is corrupted. >> >> Running "DBCC CHECKDB" returns >> >> "Msg 9001, Level 21, State 1, Line 1 >> The log for database 'MYDB P&T' is not available. Check the event log for >> related error messages. Resolve any errors and restart the database. >> >> Thanks anyway............... >> >> >> "A" wrote: >> >>> SQL Server 2008 SP1 2734. >>> >>> We have a database that has the data and log file extensions are >>> different. >>> Data file has the .DAT extension and log file has the .LOG extension >>> (Don't >>> even ask who named them like that). >>> >>> Also, the database is in simple mode and set to AUTO CLOSE. >>> >>> The backup failed for this database last night thorowing the error "The >>> log >>> for database 'MYDB P&T' is not available. Check the event log for related >>> error messages. Resolve any errors and restart the database. >>> >>> (Yes the & in the database name and again don't ask why. You will open >>> the >>> can of vorms). >>> >>> My question is what would mostly cause the backup failure. >>> >>> Having the database in AUTO CLOSE mode (It is backed up at 12:15 AM and >>> it >>> is 8:00 AM - 5:00 PM Production) >>> >>> or having the different file extension names or neither. >>> >>> Thanks for any input. >>> >>>
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