[linux-lvm] Cannot mount ext3 snapshot
david at littlebald.com
Thu Jan 1 15:10:02 UTC 2004
On Wed, 2003-12-31 at 19:44, John Seifarth wrote:
> I've serious problem with snapshots here.
> ADDITIONAL TESTS
> dmesg shows
> for ext3 file systems
> EXT3-fs: INFO: recovery required on readonly filesystem
Here's your problem.
Unless you patch things, you have to unmount source ext3 filesystems
before you make snapshots. Here's some of the relevant code from my
fuser -km /home
umount -rl /home
lvcreate --snap --name $SNAPNAME -L 500M /dev/vg00/lv_home
mount /dev/vg00/$SNAPNAME /snaps/$SNAPNAME
This section takes under a second to run.
There are patches that should let you get around this, but I've never
David Johnston <david at littlebald.com>
Little Bald Consulting, LLC
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