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Re: [linux-lvm] Can't mount after crash



FWIW:

1) I suspect that if you install FC3 without LVM2, you may not suffer
from this kind of problem

2) I've posted on this mailing list (lvm), the redhat buzilla bug
mentioned below, the fedora users list, the e2salvage list, the ext3
users list, and don't seem to be getting satisfaction.

3) I've tried fsck, fsck with a huge variety of different superblocks,
e2salvage, e2extract, and nothing is working.

4) I've finally sent a message to gmane.linux.kernel (moderated),
inquiring as to the availability of a better data recovery program, or
alternatively, the on-disk datastructures used by ext3 and lvm2, with
the hope of finding time to write a program to recover my ext3 data.

On Thu, 2004-12-16 at 19:25 +0100, Daniel Roth wrote:
> Hi all,
> 
> Not anyone out there having a clue on what to do? It seems that about 
> the same thing has happened to the submitter of 
> https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=142737 "Fedora Core 
> 3 system with lvm2 won't boot". Is this acceptable? Because of its 
> impact., this is the kind of bug my company would consider a 
> "show-stopper", and relabel the project "beta" again.
> 
> So if there is no way to fix the error, is there any way to recover any 
> of my ~300GB of data? Fourtunately I have backuped all the crucial 
> stuff, but there are a lot of things I would want to recover.
> 
> Best regards,
> 
> Daniel
> 
> 
> > Hi!
> >
> >>
> >> roth:/dev# pvscan
> >> ....
> >>  PV /dev/hdi1   VG my_volume_group   lvm2 [149.05 GB / 0    free]
> >>  PV /dev/hde1   VG my_volume_group   lvm2 [76.69 GB / 0    free]
> >>  PV /dev/hdg5   VG my_volume_group   lvm2 [57.25 GB / 964.00 MB free]
> >>  Total: 3 [282.99 GB] / in use: 3 [282.99 GB] / in no VG: 0 [0   ]
> >>
> >> roth:/dev# vgscan
> >>  Found volume group "my_volume_group" using metadata type lvm2
> >
> >
> >
> > With pvscan --partial -vvv I found some extra info.
> >
> >        /dev/mapper/my_volume_group-mylv: Added to device cache
> >        /dev/my_volume_group/mylv: Aliased to 
> > /dev/mapper/my_volume_group-mylv in device cache (preferred name)
> >        /dev/my_volume_group/mylv: Skipping: Unrecognised LVM device 
> > type 254 <---
> > ...
> >    Finding volume group "my_volume_group"
> >        Opened /dev/hde1
> >        Opened /dev/hdi1
> >      /dev/hdi1: lvm2 label detected
> >      /dev/hde1: lvm2 label detected
> >        Opened /dev/hdg5
> >      /dev/hdg5: lvm2 label detected
> >        Read my_volume_group metadata (5) from /dev/hde1 at 4096 size 1341
> >      /dev/hdi1: lvm2 label detected
> >      /dev/hde1: lvm2 label detected
> >      /dev/hdg5: lvm2 label detected
> >        Read my_volume_group metadata (5) from /dev/hdi1 at 4096 size 1341
> >      /dev/hdi1: lvm2 label detected
> >      /dev/hde1: lvm2 label detected
> >      /dev/hdg5: lvm2 label detected
> >        Read my_volume_group metadata (5) from /dev/hdg5 at 4096 size 1341
> >  Found volume group "my_volume_group" using metadata type lvm2
> >
> >
> > Is this perhaps why I cant mount it? How can I restore?
> > I still am a bit confused with Metadata file saying:
> >               pv0 {
> >                       id = "3Pv4bt-9E47-aDii-mJbB-6OYc-pCFS-7dOBv9"
> >                       device = "/dev/hdi"     # Hint only
> >               }
> >
> > when I pv(re)created hdi1
> >
> > Regards,
> > Daniel
> 
> 
> _______________________________________________
> linux-lvm mailing list
> linux-lvm redhat com
> https://www.redhat.com/mailman/listinfo/linux-lvm
> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/
> 


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