[linux-lvm] Re: error creating snapshots
Bryn M. Reeves
bmr at redhat.com
Tue Nov 3 17:17:52 UTC 2009
On Tue, 2009-11-03 at 11:48 -0500, Stuart D. Gathman wrote:
> On Tue, 3 Nov 2009, Mike Snitzer wrote:
>
> > > # lvcreate -s -L20G -n dmm_snap bms_data/dmm
> > > bms_data-dmm_snap: event registration failed: 10071:3
> > > libdevmapper-event-lvm2snapshot.so dlopen failed:
> > > /usr/lib64/liblvm2cmd.so.2.02: undefined symbol: dm_list_empty
> > > bms_data/snapshot0: snapshot segment monitoring function failed.
> > > Logical volume "dmm_snap" created
> >
> > This is harmless but it does mean that dmeventd-based snapshot
> > usage monitoring is not currently enabled for this snapshot.
> >
> > But if you restart dmeventd (kill the process and it'll restart next
> > time you activate the snapshot) it should work.
>
> How can restarting a daemon make a library symbol suddenly become defined?
> Isn't this a library issue?
>
If the daemon has been running since before the package update it will
still use the old binary/library images. Killing and re-starting it will
force it to use the newly updated versions.
Regards,
Bryn.
More information about the linux-lvm
mailing list