+1 on the hard links. I do the same thing and depending on the type of
data and size of files you can keep hundreds of backups in a fairly
negligible space, and the best part is that every single backup appears
on the system as a complete backup so you don't have to worry about
merging any kind of incremental backups.
I once had a client that kept a backup like that and had 5 years of
daily backups all on a single 1TB drive. There were actually so many
files backed up that it took a week of 24/7 deleting to thin out the
backups. His backup script now goes back and thins out older backups on
the fly so I don't have to remember to clean then out from time to time,
but he still has a fairly good amount of backups in order to roll back
to a specific time.
Brian Cluff
On 01/26/2017 12:53 PM, Steve Litt wrote:
My rsync system keeps old backups differentially, but in a way (with
hard links) not requiring you to build up a backup from several diffs.
It's the best of both worlds.
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