On Tue, Jun 21, 2016 at 7:09 AM, Kern Sibbald <kern AT sibbald DOT com> wrote:
> Hello,
>
> You are sort of in an impossible situation. With the large amount of data
> you have and the small backup space, it will be hard to make Bacula work as
> it should.
>
> My very strong conviction is that any single backup job that last more than
> 10 hours is too long. If it takes 7 days to backup one machine, Bacula will
> not work very well.
>
> At a minimum you should split your Windows backup into four separate jobs
> each one backing up a single drive. Then after completing a full backup of
> each drive, you can stagger backups to do a full of the machine over 4 days
> (one for each drive). That will reduce the overall backup load. However,
> if a backup of a single drive takes 2 days, in my opinion, it will still be
> too long.
>
> Another, though slightly more complicated way to handle it is to separate
> the Fulls as noted above, but when the next Full for a drive comes do, do a
> VirtualFull instead of a full. All the other backups for that drive can
> then be Incrementals. At least one of the Incrementals should be with
> Accurate = yes. Then as a security measure do another real Full (per drive)
> once a year.
>
> About how to handle retention periods: that is too complicated for me to
> explain here. The simplest solution is to get much more disk for use by
> Bacula, or you can get a professional support to get help for retention
> periods, or ask for help on the list. Reading the "Automated Disk Backup"
> chapter may help or "Automatic Volume Recycling" and "Basic Volume
> Management". It is all there, but it is much easier to understand with
> help.
>
Thanks again Kern, I'll try to get the best of your recommendation to
decide how to backup this specific client.
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