On Friday 13 May 2005 18:08, BOLLENGIER Eric wrote:
> Hi,
>
> > Eric asked me why I didn't just put the Bacula Recue code on a disk and
> > let the users use their own rescue disks. Although this is a solution,
> > it didn't please me, but it turned out to be a *super* idea, because it
> > made me think a bit farther. I took Eric's idea, and have now been about
> > to remaster SuSE, Madrake (renamed something else now ...), RedHat, and
> > Knoppix rescue disks, and in the process adding the Bacula generated
> > files.
>
> Caution, Knopix live cd (for example) don't have LVM binary or sfdisk
> command etc...
Yes, I am not going to be recommending Knoppix because it is so full, and
perhaps, I'll copy a good number of tools just be be sure (as well as the
libraries they need).
Anyway, the user can decide what he uses -- my recommendation will be to stick
with the rescue disk furnished with the distribution and release you are
using.
I've now verified that the technique works, now it is just a matter of 2 or 3
days of script programming ... :-)
>
> > So thanks to Eric, I now know how to take just about any existing LiveCD
> > or Rescue disk, open it up, add some Bacula files and generate a new iso.
> > This gets me out of the bit pushing business of trying to create boot
> > disks -- just let the distribution do it, and I can write some easy to
> > use scripts that will add all the nice stuff they leave out.
>
> With a debian system, bootcdwrite, bacula-fd, and a big fat kernel
> you can make an rescue system more easly than trying to
> customise a Knopix CD.
>
> [EMAIL PROTECTED]:/tmp$ apt-cache search bootcdwrite
> bootcd - run your system from cd without need for disks
>
> So, you have to collect system information (partition, lvm description
> fs type, elabels, etc...) and backup /
>
> To restore, you have to :
> - boot
> - setup network
> - get system information
> - setup disk lvm etc...
> - restore data (with redirection to /mnt/ for example)
> - setup grub or lilo
> and reboot !
>
> After that, you can restore what you want.
>
> > Of course, each distribution's CDROM layout is a bit different (Mandrake
> > is essentially a RedHat ...) so a small amount of knowledge is needed
> > about each iso, which I can obtain by just looking "inside" the iso.
> >
> > What is even better is that this new technique can equally well be
> > applied to Mac OS X, Solaris, or FreeBSD rescue disks. Of course, for
> > those systems, my "Linux" scripts that collect the system info will need
> > to be adapted.
> >
> > The only minor downside to this is that the Bacula directory will be on
> > the CDROM rather than in memory when the system is booted. This means
> > that the rescue disk must be able to find the CDROM -- most do, but I
> > noticed that SuSE (I think) doesn't bother to mount the CDROM. I can
> > provide helper scripts in this case. With a little more work, it is
> > possible to redo the initrd (or the secondary ram disk) to include the
> > Bacula files, but I'm going to pass on this for the moment.
> >
> > Anyway, thanks Eric.
>
> Thanks kern,
>
> Regards
--
Best regards,
Kern
(">
/\
V_V
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