On 12/9/2013 3:06 PM, John Andersen wrote:
Rsync isn't a backup tool. a rose by any other name... It does make a nice backup tool for me.
You can delete a mountain of stuff, corrupt a zillion files, and not notice it till AFTER the next rsync run, which will dutifully clobbers your backup in the same way. I understand that risk. I have at least partially accounted for that in my setup by having a two stage backup. I have three disk drives; drive 1 for the main drive, drive 2 for backup number 1 and drive 3 for backup number 2. each night I rsync drive 2 to drive 3, then rsync drive 1 to drive 2. It gives me one day to realize that I did something stupid. I believe that there were two occasions over the years where I made such a mistake and was able to recover from the third drive.
OK, so it isn't a perfect setup but it works nicely as a backup tool for me.
Having moved to Linux from a Novel Netware environment, I really missed the "Salvage" facility that Novel had. It would keep multiple copies of changed files so you could step backward through each changed version of a file till you found the last known good version. reminds me of VAX/VMS. I did like that version feature.
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