From mboxrd@z Thu Jan  1 00:00:00 1970
From: Andreas Dilger <adilger@clusterfs.com>
Subject: Re: [linux-lvm] e2fsadm and snapshots?
Message-ID: <20021101044736.GB554@clusterfs.com>
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Date: Thu Oct 31 22:51:02 2002
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To: Jim King <jrk@mipl.jpl.nasa.gov>
Cc: linux-lvm@sistina.com

On Oct 31, 2002  17:08 -0800, Jim King wrote:
> On Thu, 2002-10-31 at 15:25, Andreas Dilger wrote:
> > The LVM snapshot is the whole filesystem (with only the parts that
> > actually change being written to the snapshot LV) - no need to change
> > the filesystem size at all.  All you need to change is the LV size.
> 
> OK -- so using lvextend I can extend it. But once it's extended, I can
> no longer mount it. I get:
> 
>   mount: wrong fs type, bad option, bad superblock on
>     /dev/data1/.mer_dev.hourly.3, or too many mounted file systems
> 
> Is there something I'm missing here? (ok -- obviously yes...)

You must have gotten some sort of error in the syslog after this
(dmesg will show you).

Cheers, Andreas
--
Andreas Dilger
http://www-mddsp.enel.ucalgary.ca/People/adilger/
http://sourceforge.net/projects/ext2resize/