tito <farmatito@???> writes:
> On Tue, 24 Feb 2026 20:39:35 +0000 Rainer Weikusat via Dng <dng@???> wrote:
>> In case this is of interest to someone: I've created a fork of the
>> Devuan unstable mdadm package which can be built on daedalus. This has
>> mdadm version 4.5 which is

[...]

> Hi,
> thanks for your effort, one minor bug that hit me
> just yesterday after migrating a nas box from daedalus
> to excalibur with mdadm/stable,now 4.4-11devuan3
> was a daily email with this message that was harmless
> but alarming.
>
> mdadm: DeviceDisappeared event detected on md device /dev/md/md0
> mdadm: NewArray event detected on md device /dev/md0

[...]

> cat /etc/udev/rules.d/md0.rules
> # Work around an array detection bug in mdmonitor
> SUBSYSTEM=="block", ACTION=="add|change", ENV{MD_UUID}=="705d30b8:1b64bf1b:8d5bf391:65e26d6f", SYMLINK+="md/%k"

As far as I could determine, such symlinks are created automatically by
63-md-raid-arrays.rules. The 4.2-5 version of the package (daedalus)
should do this as well.