mdadm messages

[Tom H]

On Mon, Nov 4, 2013 at 8:28 AM, François Patte
<francois.patte at mi.parisdescartes.fr> wrote:
>
> I have these messages from mdadm:
>
> mdadm: cannot open /dev/md/4: No such file or directory
>  /dev/md/4 :
>  mdadm: cannot open /dev/md/5: No such file or directory
>  /dev/md/5 :
>
> Of course I haven't these directories, I have /dev/md[0-5] instead. Why
> does mdadm is searching there directories and how can I get rid of this
> message?

What's the output of "ls -lR /dev/md*"?

You should have both "/dev/mdX" and "/dev/md/X" where the latter is a
symlink to the former that is/are created by udev.