The Natural Philosopher  wrote:
> On 14/01/2021 08:56, Chris Green wrote:
> > When you backup a 1TB drive do you actually copy the whole 1TB?  It's
> > a huge waste of time and space and you can't keep so many backups.
> > Use some form of incremental backup and also backup*selectively*.
>
> depends on what you want. I rsync huge amounts of data. Disk space is
> cheap. Recovering from data loss is not, Working out what is important
> and what is not is even more expensive.
>
I don't go to much detail, I just don't save stuff in cache
directories or in directories named tmp.  Doesn't take long and is
kept in a file called .rsync-filter which rsync can use automatically.

Having automatic, hourly and daily backups for the past several hours
and days saves *a lot* of time!  Once set up it takes none of my time
at all.

--
Chris Green
·

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