[linux-lvm] Re: error creating snapshots

[Stuart D. Gathman]

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?

-- 
	      Stuart D. Gathman <stuart at bmsi.com>
    Business Management Systems Inc.  Phone: 703 591-0911 Fax: 703 591-6154
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