Comment 44 for bug 1852747

Test finished =)

# dpkg -l mdadm | grep mdadm
ii mdadm 4.1-5ubuntu1.2 amd64 tool to administer Linux MD arrays (software RAID)

Problem with mdadm_continue.timer is fixed now:

# systemctl status mdcheck_continue.timer
● mdcheck_continue.timer - MD array scrubbing - continuation
     Loaded: loaded (/lib/systemd/system/mdcheck_continue.timer; enabled; vendor preset: enabled)
     Active: active (running) since Tue 2020-09-29 09:25:28 +07; 35s ago
    Trigger: n/a
   Triggers: ● mdcheck_continue.service

Sep 29 09:25:28 fatman systemd[1]: Started MD array scrubbing - continuation.

Moreover it automatically continue previous check on latest version install.

# journalctl
...
Sep 29 09:25:28 fatman systemd[1]: Started MD array scrubbing - continuation.
Sep 29 09:25:28 fatman systemd[1]: Starting MD array scrubbing - continuation...
Sep 29 09:25:28 fatman systemd[1]: mdcheck_start.timer: Succeeded.
Sep 29 09:25:28 fatman systemd[1]: Stopped MD array scrubbing.
Sep 29 09:25:28 fatman systemd[1]: Stopping MD array scrubbing.
Sep 29 09:25:28 fatman systemd[1]: Started MD array scrubbing.
Sep 29 09:25:28 fatman systemd[1]: mdmonitor-oneshot.timer: Succeeded.
Sep 29 09:25:28 fatman systemd[1]: Stopped Reminder for degraded MD arrays.
Sep 29 09:25:28 fatman systemd[1]: Stopping Reminder for degraded MD arrays.
Sep 29 09:25:28 fatman systemd[1]: Started Reminder for degraded MD arrays.
Sep 29 09:25:28 fatman root[2983618]: mdcheck continue checking /dev/md0 from 1604272336
Sep 29 09:25:28 fatman kernel: md: data-check of RAID array md0