Backup Script Fails Randomly

  • I use the following script to do a full backup of all db's on one of our SQL 2005 servers. Every week or so it will only backup the first two db's and exit, but not report failure. When it succeeds, the backup order is master, model, msdb, userdb1, etc.... When it "fails" without error, it only backups master and model. It's like it hits msdb and quits. I can't figure out what's going on here. Any ideas?

    DECLARE @name VARCHAR(128) -- database name

    DECLARE @path VARCHAR(256) -- path for backup files

    DECLARE @fileName VARCHAR(256) -- filename for backup

    DECLARE @fileDate VARCHAR(20) -- used for file name

    DECLARE @backupDesc VARCHAR(256) -- descriptive name for backup

    DECLARE @backupSetId as int--used in restore verify process

    SET @path = 'C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Backup\'

    SELECT @fileDate = CONVERT(VARCHAR(20),GETDATE(),112)

    DECLARE db_cursor CURSOR FOR

    SELECT [name]

    FROM master.sys.databases

    WHERE [name] NOT IN ('tempdb')

    OPEN db_cursor

    FETCH NEXT FROM db_cursor INTO @name

    WHILE @@FETCH_STATUS = 0

    BEGIN

    -- BACKUP DATABASE

    SET @fileName = @path + @name + '_' + @fileDate + '.BAK'

    SET @backupDesc = @name + '-Full Database Backup'

    BACKUP DATABASE @name TO DISK = @fileName

    WITH NOFORMAT, NOINIT, NAME = @backupDesc, SKIP, NOREWIND, NOUNLOAD, STATS = 10

    FETCH NEXT FROM db_cursor INTO @name

    END

    CLOSE db_cursor

    DEALLOCATE db_cursor

  • Are you sure you have space on the drive for all backups?

    Are there any messages in the job history?

    You aren't doing any type of logging. Can you try wrapping it in a Try Catch to get the error?

  • Thanks - I'll set up some logging to see if I can catch something.

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