Wait, you created the arrays by hand, mdadm --create does not put
anything in mdadm.conf and you are experiencing:
Bug #136252 [->UUIDudev] mdadm.conf w/o ARRAY lines but udev/mdadm not
assembling arrays. (boot fails)
Bug #550131 initramfs missing /var/run/mdadm dir (loosing state)
--
mdadm, no
What did you use? Here (9.10) the alternate installer created mdadm.conf
with lines like these
ARRAY /dev/md0 level=raid1 num-devices=2 UUID=...
(no member device names)
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mdadm, not using uid of the array breaks after a reboot of a new install
https://bugs.launchpad.net/bugs/532960
You receiv