[Systems] Sunjammer backups on freedom

[Bernie Innocenti]

On 04/07/2015 01:16 PM, Bernie Innocenti wrote:
> Sunjammer is now fully backed up on freedom.
> 
> There are only 250GB free in /backup, probably not enough for 45 days of
> backups (this of course depends the daily delta, which we'll be able to
> measure tomorrow).
> 
> It would be good if someone could enhance my wizbackup script to keep
> old backups following a scheme like this:
> 
>  today
>  1 day ago
>  2 days ago
>  3 days ago
>  4 days ago
>  5 days ago
>  1 week ago
>  2 weeks ago
>  3 weeks ago
>  1 month ago
>  2 months ago
>  3 months ago
> 
> It may seem simple, but it's actually tricky if you want to take into
> account all the corner cases with failed and partial backups. We
> absolutely don't want to end up with unusable backups.
> 
> Anyway, the source code is here so feel free to fork somewhere and send
> me a patch:
> 
>   http://codewiz.org/gitweb/wizbackup.git
> 
> It can be debugged on a desktop using a small data set. One can simulate
> faults by killing the process at various times or by filling the
> destination partition.

Forgot to mention: this is the command-line I used to test the backup of
a single machine without cron wizbackup-driver:

 wizbackup sunjammer.sugarlabs.org:/ /backup/sunjammer.sugarlabs.org \
   --exclude-from /backup/EXCLUDE/ALWAYS \
   --exclude-from /backup/EXCLUDE/sunjammer.sugarlabs.org

> Any takers?

-- 
 _ // Bernie Innocenti
 \X/  http://codewiz.org