[linux-lvm] ext3 slash

Heinz J . Mauelshagen mauelshagen at sistina.com
Fri Jun 6 03:59:01 UTC 2003

On Fri, Jun 06, 2003 at 09:34:37AM +0100, Geoff Dolman wrote:
> Hi
> I have installed a machine with a /boot in a normal partition and all
> other partitions including / on ext3 logical volumes.
> (Red Hat 9/lvm 1.0.3).
> I want to snapshot dump these partitions but I didn't realise at the
> time of the install that I would have to patch the kernel to be able to
> do this with ext3 filing systems.
> I don't want to have to do this so I migrated the partitions to ext2
> using tune2fs and changed fstab.
> In the case of / and /var I booted into rescue mode from cd to run
> tune2fs against those volumes read-only.
> When I rebooted the machine I got a panic because there was no journal
> found on /. Rebooting into rescue mode and restoring the journal on
> slash cures this problem.
> How can I change the slash volume from ext3 to ext2? As I mentioned I
> edited fstab so there must be some other record somewhere telling the
> kernel that slash is ext3 but what? Do I need to make a new initrd.img?

Check if your lilo/grub entry contains a "rootfstype=" entry and change that
if it says ext3.

> Many thanks
> -- 
> Geoff Dolman <geoff.dolman at cimr.cam.ac.uk>
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> read the LVM HOW-TO at http://tldp.org/HOWTO/LVM-HOWTO/


Heinz    -- The LVM Guy --

*** Software bugs are stupid.
    Nevertheless it needs not so stupid people to solve them ***


Heinz Mauelshagen                                 Sistina Software Inc.
Senior Consultant/Developer                       Am Sonnenhang 11
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Mauelshagen at Sistina.com                           +49 2626 141200
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