journalctl -xb

Nov 15 09:46:58 debserver kernel: BTRFS: device label hddpool devid 5 transid 458180 /dev/sda1
Nov 15 09:46:58 debserver kernel: BTRFS: device label hddpool devid 3 transid 458180 /dev/sdb1
Nov 15 09:46:58 debserver kernel: BTRFS: device label hddpool devid 1 transid 458180 /dev/sdc1
Nov 15 09:46:58 debserver kernel: BTRFS: device label hddpool devid 2 transid 458180 /dev/sdd1
Nov 15 09:46:58 debserver kernel: BTRFS: device label hddpool devid 4 transid 458180 /dev/sdf1
Nov 15 09:46:59 debserver kernel: BTRFS: device label hddpool devid 6 transid 458180 /dev/sdg1
Nov 15 09:46:59 debserver kernel: radeon 0000:01:05.0: registered panic notifier
Nov 15 09:46:59 debserver kernel: [drm] Initialized radeon 2.39.0 20080528 for 0000:01:05.0 on minor 0
Nov 15 09:48:27 debserver systemd[1]: Job dev-sdb1.device/start timed out.
Nov 15 09:48:27 debserver systemd[1]: Timed out waiting for device dev-sdb1.device.
-- Subject: Unit dev-sdb1.device has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit dev-sdb1.device has failed.
--
-- The result is timeout.
Nov 15 09:48:27 debserver systemd[1]: Dependency failed for /btrfs.
-- Subject: Unit btrfs.mount has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit btrfs.mount has failed.
--
-- The result is dependency.
Nov 15 09:48:27 debserver systemd[1]: Dependency failed for Local File Systems.
-- Subject: Unit local-fs.target has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
--
-- Unit local-fs.target has failed.
--
-- The result is dependency.