Evgeny Garaev - Wednesday, February 7, 2018 1:04 PM
ALIF-662928 - Thursday, February 1, 2018 12:42 PM
...20 TB in 2 files, got lot of unused space...
SQL Server backups do not store empty blocks so that shouldn't be a problem at all. Also you can employ compression. If the SQL Server compression is not sufficient you can try RedGate backups which have higher compression rate.
True enough but... they restore empty blocks. 😉
--Jeff Moden
RBAR is pronounced "ree-bar" and is a "Modenism" for Row-By-Agonizing-Row. First step towards the paradigm shift of writing Set Based code: ________Stop thinking about what you want to do to a ROW... think, instead, of what you want to do to a COLUMN.
Change is inevitable... Change for the better is not.