I am running a split disk backup such as:BACKUP DATABASE [At] TO DISK = N'O:\sql_bak\At_full1.bak', DISK = N'M:\sql_bak\At_full2.bak',DISK = N'L:\sql_bak\At_full3.bak' WITH NOFORMAT, INIT, NAME = N'At-Full Database Backup', SKIP, NOREWIND, NOUNLOAD, STATS = 10GO It is failing with the below error:Executed as user: DOMAIN\sqlserviceaccount. Processed 257856 pages for database 'At', file 'At' on file 1. [SQLSTATE 01000] (Message 4035) 10 percent processed. [SQLSTATE 01000] (Message 3211) 20 percent processed. [SQLSTATE 01000] (Message 3211) 30 percent processed. [SQLSTATE 01000] (Message 3211) 40 percent processed. [SQLSTATE 01000] (Message 3211) 50 percent processed. [SQLSTATE 01000] (Message 3211) 60 percent processed. [SQLSTATE 01000] (Message 3211) 70 percent processed. [SQLSTATE 01000] (Message 3211) 80 percent processed. [SQLSTATE 01000] (Message 3211) Write on "O:\sql_bak\At_full1.bak" failed: 112(There is not enough space on the disk.) [SQLSTATE 42000] (Error 3202) BACKUP DATABASE is terminating abnormally. [SQLSTATE 42000] (Error 3013). The step failed.The database At is of 4TB size and the drives L,M and O are of 2TB each. These drives are completely free. It ran successfully once and since then it has been failing. Please suggest. :)
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