I experience same after adding a new SATA drive and extending the VG ang LV.
I get the "Systemd-shutdown: Failed to finalize DM devices, ignoring." message
after "shutdown -h now" or "shutdown -P now" command and right after a "click"
sound from the computer case. I have to manually reset the computer. The
computer reboots fine.
# pvs
PV VG Fmt Attr PSize PFree
/dev/sda1 datavg lvm2 a-- 298,09g 0
/dev/sdb2 sysvg lvm2 a-- 18,62g 468,00m
/dev/sdb5 datavg lvm2 a-- 55,42g 0
/dev/sdc1 datavg lvm2 a-- 149,05g 0
/dev/sdd1 datavg lvm2 a-- 37,27g 0
# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync
Convert
lvdata datavg -wi-ao 539,82g
lvroot sysvg -wi-ao 16,77g
lvswap sysvg -wi-ao 1,39g
# mount | grep mapper
/dev/mapper/sysvg-lvroot on / type ext4
(rw,relatime,errors=remount-ro,data=ordered)
/dev/mapper/datavg-lvdata on /mnt/data type ext4
(rw,nosuid,nodev,noexec,relatime,data=ordered)
# uname -r
4.4.0-38-generic
# lvm version
LVM version: 2.02.133(2) (2015-10-30)
Library version: 1.02.110 (2015-10-30)
Driver version: 4.34.0
# lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description:Ubuntu 16.04.1 LTS
Release:16.04
Codename: xenial
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https://bugs.launchpad.net/bugs/1577206
Title:
root on dm-cache : always do full resync after reboot
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