TL;DR "sudo apt install thin-provisioning-tools" fixes it.
Adding debugging steps here for posterity.
ubuntu@15-89:~$ cat /etc/docker/daemon.json
{
"storage-driver": "devicemapper",
"storage-opts": [
"dm.thinpooldev=/dev/mapper/docker--storage-thinpool",
"dm.use_deferred_removal=true",
"dm.use_deferred_deletion=true"
]
}
After reboot:
ubuntu@15-89:~$ docker info
Cannot connect to the Docker daemon. Is the docker daemon running on this host?
/var/log/syslog:
Jun 20 20:42:11 15-89 dockerd[1542]: time="2017-06-20T20:42:11.938899425Z"
level=fatal msg="Error starting daemon: error initializing graphdriver:
devicemapper: Non existing device docker--storage-thinpool"
root@15-89:~# ll /dev/mapper/
total 0
drwxr-xr-x 2 root root 60 Jun 20 20:41 ./
drwxr-xr-x 19 root root 3760 Jun 20 20:41 ../
crw------- 1 root root 10, 236 Jun 20 20:41 control
But lvs shows it:
root@15-89:~# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log
Cpy%Sync Convert
thinpool docker-storage twi---t--- 38.00g
vgchange -a y didn't work, complaining that a tool called thin_check wasn't
available. This tool comes with thin-provisioning-tools.
I then installed thin-provisioning-tools and rebooted one more time. Now
docker runs fine.
What's left to check here is if perhaps thin-provisioning-tools should
be a strong or weak dependency of docker.io, like a Recommends or
Suggests.
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https://bugs.launchpad.net/bugs/1657646
Title:
Missing thin-provisioning-tools prevent VG from being activated
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