SQL Server Backup and Restore - Simple Talk

Chapter 8: Database Backup and Restore with SQL Backup Pro
+ N''', DISKRETRYINTERVAL = 30,
DISKRETRYCOUNT = 10, COMPRESSION = 3,
THREADCOUNT = 2"'
WHEN N'DIFF'
THEN N'-SQL "BACKUP DATABASES [' + @DatabaseList
+ N'] TO DISK = ''' + @BackupFileLocation
+ N'.sqb'' WITH MAILTO_ONERRORONLY = '''
+ @EmailOnFailure
+ N''', DISKRETRYINTERVAL = 30,
DISKRETRYCOUNT = 10, COMPRESSION = 3,
THREADCOUNT = 2, DIFFERENTIAL"'
END
EXECUTE master..sqlbackup @SQLBackupCommand, @ExitCode OUTPUT,
@ErrorCode OUTPUT
-- If our backup operations return any errors or warnings execute below
IF ( @ExitCode >= 500
OR @ErrorCode > 0
)
BEGIN
-- Raise an error to fail your backup job
RAISERROR(N'Backup operation error', 10,1)
END
Listing 8-9: Reusable database backup code.
The script starts by declaring the required variables, and the sets the values of the four
confugurable variables, as below.
• @BackupFileLocation – The backup path for our database backup files. This
should be pointed at the centralized storage location. Also notice that the
servername variable is used as a subdirectory. It is common practice to separate
backup files by server, so this will use each server name as a subdirectory to store that
set of backup files.
• @EmailOnFailure – We always want to know when backups fail. In some environments,
manually checking all database backup operations is just not feasible. Having
alerts sent to the DBA team on failure is a good measure to have in place. Be sure to
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