LVM snapshot doesn't seem to work
Alexander Skwar
listen at alexander.skwar.name
Mon Aug 28 08:00:03 UTC 2006
Gabriel Dragffy <dragffy at yandex.ru>:
> I'm trying the following command:
> $ sudo lvcreate --size 100m --snapshot --name snap /dev/bouncyball/root
>
> and getting the error:
> snapshot: Required device-mapper target(s) not detected in your kernel
> lvcreate: Create a logical volume
>
> I have tried many other combinations including the -s and -n switches
> but still no joy, what am I overlooking?
You're overlooking the message that lvcreate is telling you:
Required device-mapper target(s) not detected in your kernel
Solution: Enable the kernel to support snapshots.
modprobe dm-snapshots (or something like this)
Alexander Skwar
--
Life is like arriving late for a movie, having to figure out what was
going on without bothering everybody with a lot of questions, and then
being unexpectedly called away before you find out how it ends.
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