[OpenAFS] Re: Current OpenAFS Backup Recommendations

Adam Megacz adam@megacz.com
Fri, 18 Dec 2009 15:29:56 -0800

Russ Allbery <rra@stanford.edu> writes:
> Given the low churn of most of our AFS space and compression of the vos
> dump files, the backups actually take slightly less space than the
> entirety of our cell, with 30 day retention.

You can get remarkably good compression by using xdelta3 on dump
files.  I have almost two years worth of *daily* backups and they
consume only 10x the space of the active data itself (and lives on
much cheaper/slower storage).

I should probably only keep monthlies, but I haven't gotten around to
adjusting the scripts.

  - a