Nonstop Backup size is smaller than Disk Backup despite backing up the same files/locations.
Product: ATI 2011
Hi there,
I have a Nonstop backup and a Disk backup that both are supposed to backup both my C:\ and D:\ drives. However, the Nonstop backup is 200GB, whilst the Disk backup is 300GB. The 300GB size just about makes sense but 200GB is clearly too small to hold all my data, particularly as it is supposed to save changed files every 5 minutes. Am I wrong?
What's happening here? I'd really appreciate any input.
Thanks :]
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A disk backup saves all the occupied sectors, and all the sectors if the user has turned on the sector by sector option (they shoudn't do this in normal cases). Many sectors are occupied by system related things (indexes, shadow copies, VSS snapshots, page file, hibernation file, etc.) that might not be included in your NSB.
If your NSB is a file based NSB, this will certainly explain a bunch. If it is a partition type NSB, it is less obvious.
From experience with other users, if you use NSB, always keep a disk and partition backup as a redundant backup that never gets too old for you to go back to, in case restoring from the NSB doesn't meet your expectations.
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