When you do a Base backup, you need to do a FULL immediately after,
because the BASE backup is a "special" backup and you cannot restore only from
it.
>>From then on you can do Incrementals, Fulls or Differentials.
All the FULL backups that you will run after that fist FULL are going to be
very small,
so you should only need to have the laptop on Gig on your first BASE backup.
Hope this helps.
Pablo
----- Original Message -----
From: "TipMeAbout" <tipmeabout AT gmail DOT com>
To: bacula-users AT lists.sourceforge DOT net
Sent: Tuesday, May 17, 2011 5:09:10 PM
Subject: Re: [Bacula-users] Base jobs and incremental backups
> On Mon, May 16, 2011 at 11:07 PM, TipMeAbout <tipmeabout AT gmail DOT com>
> wrote:
> > Hello all,
> >
> > I use Bacula for some times now and I experiment now the base job backup.
> > I have to solve a problem and I need help: I have to backup a laptop.
> >
> > This laptop is most of the time connected by wifi. As it contains quite
> > large
> > data, I have decided to do a full the 1st of each month and an
> > incremental the
> > other days.
> > To let the full run quickly, I decided that the laptop will be connected
> > by its LAN 1Gb connection the 1st and by wifi the rest of the month. So
> > I have 2
> > client instances configured: "client-lan" and "client-wlan", one for each
> > type
> > of backup, each with its own IP address. But when I start an incremental
> > for
> > "client-wlan", Bacula tells me it does not find a valid full, so it
> > starts a
> > full through the wifi connection. Too long !!
> > I have decided to do a base job the 1st of the month by LAN for instance
> > "client-lan" and then each incremental for "client-wlan" would be based
> > on this base job. It does not work neither as it still starts a full
> > backup in wifi mode instead of incremental. I have read that a base job
> > is like a full
> > and let full backup base on it: so I change my incremental backup by a
> > full with hope it would saved only some datas, for instance
> > "client-wlan". But after a while running, I have the impression Bacula
> > does a new total full without taking into consideration the base job
> > backup.
> >
> > So my questions are simple: does base job can be used with incremental
> > backups
> > to realise what I would like and how to do that ?
> >
> > Thanks in advance for your help !
> >
> >
> > JC
> >
> >
> > --
> > http://www.tipmeabout.org
>
> Rather than try to backup the laptop with Bacula, I would use RSYNC to on
> the laptop and then backup the rsync "mirror" of the laptop, that way you
> don't rely on the laptop being connected and once you have done the initial
> rsync the incrementals are much easier to manage over your WiFi bandwidth.
> You could also trigger your rsync job to run when the interface comes up,
> and if you did this over SSH via an Internet resolvable f.q.d.n then you
> can backup from "anywhere"
>
> Although Bacula is fantastic for backing up, sometimes other "tools" can
> make the overall process better
Hello,
Thanks for your answer !
Of course I could use other tools, but the challenge is to do that with bacula
and to highlight how to use base job backup as a base for incremental backup.
By using RSYNC, I have to provide space left on the bacula server which would
act as mirror, and then space to backup this mirror with bacula (I use backup
on disk file of 4GiB).
Moreover, the rsync would mirror data I don't care (iso, mpeg, jpg) which are
space and bandwidth consuming through wifi; with bacula, it excluded from the
beginning. And maintaining 2 lists of exclusion - one for each tool - is not
the most recommended I think.
If someone else has a proposal, I'm still open for an answer.
I will myself think if a solution based on virtual IPs can be set up. If I
found something, I would of course complete this thread.
See you all !
JC
--
http://www.tipmeabout.org
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What Every C/C++ and Fortran developer Should Know!
Read this article and learn how Intel has extended the reach of its
next-generation tools to help Windows* and Linux* C/C++ and Fortran
developers boost performance applications - including clusters.
http://p.sf.net/sfu/intel-dev2devmay
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