This bug was fixed in the package lvm2 - 2.02.133-1ubuntu10 --------------- lvm2 (2.02.133-1ubuntu10) xenial; urgency=medium
* Cherry-pick change from lvm2 2.02.133-2 in Debian to move event plugins back onto the main library patch, which fixes problems with monitoring failing for snapshots and raid volumes. Closes: #807279, LP: #1556451, LP: #1561228. -- Steve Langasek <steve.langa...@ubuntu.com> Sat, 16 Apr 2016 00:06:53 -0700 ** Changed in: lvm2 (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to lvm2 in Ubuntu. https://bugs.launchpad.net/bugs/1556451 Title: xenial lvm2-monitor.service fails with lvm raid1 volumes Status in lvm2 package in Ubuntu: Fix Released Bug description: After installing xenial using the daily ubuntu-server installer, creating an LVM volume for the root filesystem, I lvconverted it into a raid1 mirror for redundancy over the pair of SSDs installed (as separate LVM PVs): sudo lvconvert -m 1 --type raid1 bonk/bonk1 /dev/sdc1 /dev/sdd1 After a reboot, the lvm2-monitor.service fails. Relevant lines from journalctl: $ sudo journalctl | grep -iE '(lvm|dmeventd)' Mar 12 19:32:48 bonk1 systemd[1]: Listening on LVM2 metadata daemon socket. Mar 12 19:32:48 bonk1 systemd[1]: Listening on LVM2 poll daemon socket. Mar 12 19:32:48 bonk1 systemd[1]: Starting Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling... Mar 12 19:32:49 bonk1 systemd[1]: Started LVM2 metadata daemon. Mar 12 19:32:52 bonk1 dmeventd[1039]: dmeventd libdevmapper-event-lvm2raid.so dlopen failed: libdevmapper-event-lvm2raid.so: cannot open shared object file: No such file or directory. Mar 12 19:32:52 bonk1 dmeventd[1039]: dmeventd libdevmapper-event-lvm2raid.so dlopen failed: libdevmapper-event-lvm2raid.so: cannot open shared object file: No such file or directory. Mar 12 19:32:52 bonk1 dmeventd[1039]: dmeventd libdevmapper-event-lvm2raid.so dlopen failed: libdevmapper-event-lvm2raid.so: cannot open shared object file: No such file or directory. Mar 12 19:32:59 bonk1 lvm[556]: Monitoring bonk/bonk1 failed. Mar 12 19:32:59 bonk1 lvm[556]: 4 logical volume(s) in volume group "bonk" monitored Mar 12 19:32:59 bonk1 systemd[1]: lvm2-monitor.service: Main process exited, code=exited, status=5/NOTINSTALLED Mar 12 19:32:59 bonk1 systemd[1]: Failed to start Monitoring of LVM2 mirrors, snapshots etc. using dmeventd or progress polling. Mar 12 19:32:59 bonk1 systemd[1]: lvm2-monitor.service: Unit entered failed state. Mar 12 19:32:59 bonk1 systemd[1]: lvm2-monitor.service: Failed with result 'exit-code'. Mar 12 19:33:00 bonk1 dmeventd[1039]: dmeventd libdevmapper-event-lvm2raid.so dlopen failed: libdevmapper-event-lvm2raid.so: cannot open shared object file: No such file or directory. Mar 12 19:33:08 bonk1 systemd-udevd[662]: Process 'watershed sh -c '/sbin/lvm vgscan; /sbin/lvm vgchange -a y'' failed with exit code 5. Mar 12 19:33:08 bonk1 dmeventd[1039]: dmeventd libdevmapper-event-lvm2raid.so dlopen failed: libdevmapper-event-lvm2raid.so: cannot open shared object file: No such file or directory. Mar 12 19:33:16 bonk1 systemd-udevd[655]: Process 'watershed sh -c '/sbin/lvm vgscan; /sbin/lvm vgchange -a y'' failed with exit code 5. The .so file is present and installed as part of dmeventd: $ dpkg -S libdevmapper-event-lvm2raid.so dmeventd: /lib/x86_64-linux-gnu/device-mapper/libdevmapper-event-lvm2raid.so This may be related to Debian's lvm2 2.02.133-2 change: * Drop event plugin directory move. This moves the plugins back into the main library path. (closes: #807279) See: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=807279 --- $ apt-cache policy lvm2 dmeventd lvm2: Installed: 2.02.133-1ubuntu7 Candidate: 2.02.133-1ubuntu7 Version table: *** 2.02.133-1ubuntu7 500 500 http://fi.archive.ubuntu.com/ubuntu xenial/main amd64 Packages 100 /var/lib/dpkg/status dmeventd: Installed: 2:1.02.110-1ubuntu7 Candidate: 2:1.02.110-1ubuntu7 Version table: *** 2:1.02.110-1ubuntu7 500 500 http://fi.archive.ubuntu.com/ubuntu xenial/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1556451/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp