2011/5/18 Pablo Marques <pmarq...@miamilinux.net>
>
> 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
>
>
Hello !
That's an interesting point ! I did not understand when read the
documentation that a full is necessary after a base job. I though a base
replaces a full.
For me the interesting point of a base job was that you can do a base job of
a "template" server, and then backup n servers directly without having n
full backups to do. Writing that, I now understand better the concept of
base jobs, all the n full would contain pointers on the base jobs. Are there
any informations in the log file that prove the first full after a base job
is effectively using the base job ?
Something like "running 'client-bkp job' based on 'based-job' " ?
So for my problem, I should try to do a floating IP between the 2 interface
- GiB and wifi - and do the backup on this interface: if the LAN cable is
connected, backup goes through the LAN, if there is only the wifi it would
use it. I think I can do that with a piece of script. eth0 would be
"client-lan", wlan0 "client-wlan" and the backup interface would be
"client-bkp" pointing on "eth0:0" if cable is connected or "wlan0:0".
Thanks for your help !
JC
> ----- Original Message -----
> From: "TipMeAbout" <tipmeab...@gmail.com>
> To: bacula-users@lists.sourceforge.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 <tipmeab...@gmail.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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