[linux-lvm] LVM snapshot with Clustered VG [SOLVED]

[Andreas Pflug]

On 03/13/13 19:30, Vladislav Bogdanov wrote:
>
>> Is there a way to find out if a LV is locked exclusively? lvs displaying
>> -e-- instead of -a-- would be nice. Seems not even lvdisplay knows about
>> exclusive locking.
> That would break other tools which rely on their output. F.e. cluster
> resource agents of libvirt (yes, it runs lvm tools rather then using
> API, which is not yet complete btw). As I also need to obtain this
> information, I think about writing simple tool (f.e. clvm_tool) which
> would display needed info.
>
> As a workaround you can run lvchange -aly without force parameter. If it
> succeeds, the volume is locked in a shared mode, otherwise it is locked
> exclusively.

Hm, thats one ugly workaround...
How about a clvmd option, something like -l to list all locks and exit.

Regards,
Andreas