FYI: This problem can happen when the md0 device still synchronizing. Now, when the md0 is in sync, the service stopped as well:
# journalctl -b -1 -u blk-availability.service systemd[1]: Starting Availability of block devices... systemd[1]: Started Availability of block devices. systemd[1]: Stopping Availability of block devices... blkdeactivate[1440]: Deactivating block devices: blkdeactivate[1440]: [UMOUNT]: unmounting paint_server_ssd-system (dm-2) mounted on /var/datastore/system... done blkdeactivate[1440]: [SKIP]: unmount of paint_server_ssd-swap (dm-1) mounted on [SWAP] blkdeactivate[1440]: [SKIP]: unmount of paint_server_ssd-root (dm-0) mounted on / blkdeactivate[1440]: [MD]: deactivating raid1 device md0... done systemd[1]: Stopped Availability of block devices. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1780196 Title: Timed out Availability of block devices service To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lvm2/+bug/1780196/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs