[linux-lvm] Recovery of data in LVM from a corrupt disk

[Dan Stromberg]

Please see http://dcs.nac.uci.edu/~strombrg/data-recovery.html -
especially the link about ext3 and LVM2.

On Tue, 2005-12-20 at 23:30 -0800, Hale India wrote:
> Hi 
> 
> I had a recovery problem with LVM before : I failed. I
> got no real help from this mailing list.
> I finaly succeed to start the disk for a short term on
> another machine and I will never use LVM before to see
> succeful recovery process.
> Nobody at redhat take care about such problem........
> In the future take ext2, ext3, reiserfs and you will
> have plenty good recovcery solutions.
> 
> Sorry to not be able to help you more.
> Good luke.
> 
> Best regards
> 
> Andre Legendre
> 
> --- mymail mymail <internetbizmail at yahoo.com> wrote:
> 
> > 
> > 
> > Michael Loftis <mloftis at wgops.com> wrote: 
> > LVM is not a filesystem, it's a block device layer. 
> > If you're 
> > running/using LVM on the existing system it's vgscan
> > and vgchange on 
> > startup should have activated all the old LVs/VGs
> > and mapped them to 
> > /dev/VGNAME/LVNAME -- those are the devices you
> > mount.
> > Thanks.
> > 
> > I realise this. But the disk I'm trying to mount is
> > built the same way as the new disk I've built. So
> > the both have a VolGroup00. What I would like to do
> > is to either understand how I can change the volume
> > group info so it will become a distinct volume
> > group, and then I can 'import' this into my new
> > environment, or how I can get into the block system
> > so I can access the filesystem structure it embeds.
> > 
> > This is where I'm struggling. I would like to create
> > a VolGroup01 device file, rename the volume group
> > within the physical volume, and then mount that. Is
> > it possible to 'hack' the old drive like this?
> > 
> > 
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> > read the LVM HOW-TO at
> http://tldp.org/HOWTO/LVM-HOWTO/
> 
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