I get the following errors when I use a maintenance plan to backup all of my databases on one of our servers. Note: When I run them manually they work as long as I put them in a different place on the same drive. The Everone group has full access on the NTFS drive that this is writing to so it can't be a rights issue. Also some of my databases are backed up while others fail. The account that I'm using to back these up is an administrator of the machine, I'm using the same account when I automate them through a maintenance plan that I do for doing them manually. The E:\ drive (where these are trying to be backed up) is Raid 5 with 30 gb free and 30gb used. These backups would only take up about 5gb of space (if they would work).
BACKUP failed to complete the command BACKUP LOG [WebLogs] TO DISK = N'E:\SQLBackups\WebLogs\WebLogs_tlog_200304180731. TRN' WITH INIT , NOUNLOAD , NOSKIP , STATS = 10, NOFORMAT
There are 16 databases to be backed up. The error happens randomly upon the 3 largest databases.
Email database = 263.88 mb (data and log)
ESP database = 316.25 mb (data and log)
WebLogs database = 5,069.76 gb (data and log)
(note 5 datafiles in the WebLogs and one log file... low amount of transactions and the database and the log is shrunk periodically throughout the day. We backup and truncate the log after a main import process is executed each day.)
I've ran the backup by hand using BACKUP DATABASE and it seldom works on these databases. Sometimes it will actually complete, others it doesn't. Also, the WebLogs database never completes and it always seems to fail at 24 percent (stats = 1 on the backup database command).
The backup log doesn't work at all on these databases whether I run it by hand or through the maintenance plan.