From: Andreas Dilger <adilger@turbolabs.com>
To: IpSo <ipso@snappymail.ca>
Cc: linux-lvm@sistina.com
Subject: Re: [linux-lvm] A way to bypass LVM and extract the raw data off?
Date: Wed Jan 9 13:41:02 2002 [thread overview]
Message-ID: <20020109124025.O769@lynx.adilger.int> (raw)
In-Reply-To: <1010545378.3c3bb2e2a4dec@www.snappymail.ca>; from ipso@snappymail.ca on Tue, Jan 08, 2002 at 07:02:58PM -0800
On Jan 08, 2002 19:02 -0800, IpSo wrote:
> Yup! I'm confident everything as far as the reiser filesystem is fine,
> just LVM is very confused.
>
> Device Boot Start End Blocks Id System
> /dev/hda1 * 1 507 255496+ 82 Linux swap
> /dev/hda2 508 39813 19810224 5 Extended
> /dev/hda5 508 4633 2079472+ 83 Linux
> /dev/hda6 4634 39813 17730688+ 8e Linux LVM
>
>
> > If you have the HD space, you could try dd if=/dev/hda6 of=/some/file
> >
> > Then mount -o loop /some/file /mnt/point -t reiserfs.
> >
> > I don't think this would do any more damage.
>
> I'll give it a shot I guess, won't this loopback file contain the extra LVM
> information and cause problems when trying to mount it though? Does the LVM
> information take up the first 2mb or something that I could set the offset as,
> so it doesn't carry over to the loopback file?
No, it uses a variable amount of space.
What you could do is try
od -Ad -a /dev/hda6 | grep "R e I s E r 2 F s"
and start your dd 65584 bytes before the address at the line this is
found on (it should align to an even block boundary).
Cheers, Andreas
--
Andreas Dilger
http://sourceforge.net/projects/ext2resize/
http://www-mddsp.enel.ucalgary.ca/People/adilger/
next prev parent reply other threads:[~2002-01-09 13:41 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-01-06 3:33 [linux-lvm] VG dissappeared without a trace? IpSo
2002-01-06 13:03 ` IpSo
2002-01-06 16:22 ` Andreas Dilger
2002-01-06 17:29 ` IpSo
2002-01-08 20:27 ` [linux-lvm] A way to bypass LVM and extract the raw data off? IpSo
2002-01-08 20:35 ` Petro
2002-01-08 21:03 ` IpSo
2002-01-09 13:41 ` Andreas Dilger [this message]
2002-01-09 15:44 ` IpSo
2002-01-09 16:26 ` Andreas Dilger
2002-01-09 17:26 ` IpSo
2002-01-08 21:05 ` Andreas Dilger
2002-01-09 9:02 ` IpSo
2002-01-09 10:30 ` Holger Grothe
2002-01-09 12:04 ` IpSo
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