[sf-lug] Does anyone know how to recover files from a LVM volume?

[Joe Royall]

ok

create a new lvm that is bigger than the old

lvcreate -n mylvm -l 5G myvol
then dd the image in
dd if=/var/mybackup.img of=/dev/myvol/mylvm


On Mon, Jun 9, 2008 at 4:27 PM, Asheesh Laroia <asheesh at asheesh.org> wrote:

> On Mon, 9 Jun 2008, Bobbie Sellers wrote:
>
> > Asheesh Laroia wrote:
> >> On Mon, 9 Jun 2008, Bobbie Sellers wrote:
> >>
> >>> Asheesh Laroia wrote:
> >>>> On Mon, 9 Jun 2008, Bobbie Sellers wrote:
> >>>>
> >>>>>
> >>>>>    Well I have a 40 GB drive that stopped working properly
> >>>>> with a Mandriva installed LVM.  It was backed up but the
> >>>>> Gui failed and the backups cannot be restored to a non-LVM
> >>>>> partioned drive.
> >>>>
> >>>> What tool did you use to do the backup?  Where is that backup stored?
> >>>
> >>>   I used Mandriva Linux Control Center System Backup but when I try
> >>> to restore from the DVD+R the files can be seen only in a shadowed form
> >>> and nothing can be selected.  I assume it is because of the file system
> >>> mismatch between then LVM and now ext3.
> >>
> >> Hmm, I have no idea how that tool works.
> >
> >   Nor more do I.
> >>
> >> When you put the DVD in, does it automatically mount?  If so, what is on
> >> the disc?  Can you run the program "file" against the files on it?
> >
> >   Yes and there is a directory drakbackup containing several text files
> and
> > several files that
> > seem to have nothing to do with content back up but list files stored in
> zip,
> > tar.gz, etc/
>
> Great!  drakbackup seems to be an old-ish probably-Free tool - e.g.
> http://techteam.gr/linux/docs/mandrake/9.2/drakbackup.html documents it ,
> and http://rpmfind.net/linux/rpm2html/search.php?query=drakbackup has
> Source and binary RPMs.
>
> >   What I need to do is find a way to remount the disk with the LVN and
> copy
> > the
> > stuff off but that may have to wait until I can use a copy licensed to
> me.
>
> I don't really understand what you're saying here.
>
> If you want me to help, which I could perhaps, you could put some of those
> text files on the web or somewhere else I can see them.
>
> What does drakbackup think if you run it?
>
> -- Asheesh.
>
> --
> On-line, adj.:
>        The idea that a human being should always be accessible to a
> computer.
>
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-- 
Joe Royall
Red Hat Certified Architect
415-684-5402
joe at 2resonate.net
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