The SQL 2014 is on version 12.0.2000.8 (64X).I have a stored procedure for daily full backup of every database (except for temp) to a backup hard drive, one bak file for each db. The backup parameters are: NOFORMAT, INIT, KIP, NOREWIND, NOUNLOAD, CHECKSUM, COMPRESSION.The stored procedure has been working fine until a few days again. It failed with the error message:SQLSTATE 42000 (Error 3013) BACKUP DATABASE is terminating abnormally. Because I am doing a bak file per db with overwriting, I do not think the setting of FORMAT/NOFORMAT matters. Anyway, I tried both and both failed.I had to restart the SQL server and it solved the error. But two days later it happened again.Generally, the syptom is that, once the error appears, no backup can be done. Even when I backup a very small user db (500M) through the SSMS UI, I got the same error.Before this happened, there was no change to the server/instance. Four days before this occured, there was an abormal growth of tempdb files. I reset the tempdb file size and make it bigger than any user db, and disabled the tempdb file growth. This might be irrelevant, because there were three successful daily backups after this and before the error occurred the first time.Any suggestions?
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