Am 03.02.2011 22:46, schrieb Lars Ellenberg:
On Thu, Feb 03, 2011 at 03:20:50PM -0600, J wrote:
On 2/3/2011 2:55 PM, Lars Ellenberg wrote:
Don't give up so quickly because of information overload ;-)
Your question was:
if I take a snapshot of the logical volume used by
drbd, will I be able to mount that locally (and easily?)
Though J's answer is correct, it does not clearly say it:
The answer is: Yes.
It's that simple.
Thanks for answering my question Lars. I do appreciate it :) I
decided I would go ahead and try it before I got too much into a new
shell script for the alternative. I got to the point I thought I
would get to.
# lvcreate --snapshot --size 7g --name snap-srvr mvg/srvr
Logical volume "snap-srvr" created
# ls /dev/mvg
home root snap-srvr srvr
# mount /dev/mvg/snap-srvr /mnt
mount: unknown filesystem type 'drbd'
libblkid or whatever tries to play clever here
seems to try to be smarter than it's good for it.
>
Just explicitly specify the file system, and be done with it.
mount -t ext3 /dev/mvg/snap-srvr /mnt
(or xfs, or ext4, or whatever you are using).
Same issue is if you are trying to mount a (degraded) RAID1.
libblkid tells not to know, but when mounting with extX etc.
then everything is working fine.
--
Mit herzlichen Grüßen
T. Baumann
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