On Saturday 30 July 2005 17.01, Kirk Bocek wrote:
> Just discovered that on CentOS 4.1 when you issue the command:
>
> lvcreate -s -n temp -L2G /dev/vgname/lvname
>
> to create a snapshot, you get the error message:
>
> snapshot: Required device-mapper target(s) not detected in your kernel
I think you need to do:
modprobe dm-snapshot
but I haven't tested it myself but almost the same thing happened to me when I
tried to move a lv around (it then needs dm-mirror..)
good luck,
Peter
>
> I've checked and recheck my spelling and tried using the device created
> under /dev/mapper. I've tried it on both x86_64 and on i386. Works as
> expected under CentOS 3.5.
>
> Any ideas what is going on?
--
------------------------------------------------------------
Peter Kjellstr?m |
National Supercomputer Centre |
Sweden | http://www.nsc.liu.se
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