On Mon, 2013-04-01 at 15:40 +1100, Celik wrote:
> In this thread, it has been suggested to do daily backups. But it
> wasn't
> clear, should the daily backups be for the whole system or only the
> current
> project we are working on?

Only you can answer that. Ask yourself what you can afford to lose.

> An issue that has been bothering me and caused me to be reluctant in
> making
> regular backups is - a complete backup is costly. It takes 4-5 hours
> minimum, plus causing storage issues, the compressed home directory is
> too
> large.

Hardly surprising if you're doing it with tar, which is making a
complete copy every time. That's the wrong approach. As I mentioned
earlier, rsnapshot, obnam and others can do incremental backups which
take up little space. They are also better run as cron jobs, i.e.
automatically. I run mine when my system is quiescent (4am every day)
but again that's your call.

And it goes without saying that the backup should be to another machine,
e.g. using rsync or a net-mounted filesystem.

Note that these are recommendations for a personal system that you can't
afford to lose. For larger systems you might want to look at solutions
such as Amanda or Bacula (not that these won't work on a personal system
as well, they just need a bit more setting up).

poc

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