Ezzel a következő üzenetet kapom:
# mdadm -Af --verbose /dev/md2 /dev/sd[cdefg]1
mdadm: looking for devices for /dev/md2
mdadm: /dev/sdc1 is identified as a member of /dev/md2, slot 2.
mdadm: /dev/sdd1 is identified as a member of /dev/md2, slot 4.
mdadm: /dev/sde1 is identified as a member of /dev/md2, slot 0.
mdadm: /dev/sdf1 is identified as a member of /dev/md2, slot 5.
mdadm: /dev/sdg1 is identified as a member of /dev/md2, slot -1.
mdadm: no uptodate device for slot 1 of /dev/md2
mdadm: added /dev/sdc1 to /dev/md2 as 2
mdadm: no uptodate device for slot 3 of /dev/md2
mdadm: added /dev/sdd1 to /dev/md2 as 4
mdadm: failed to add /dev/sdf1 to /dev/md2: Invalid argument
mdadm: failed to add /dev/sdg1 to /dev/md2: Invalid argument
mdadm: added /dev/sde1 to /dev/md2 as 0
mdadm: /dev/md2 assembled from 3 drives - not enough to start the array.
root@:~#
Én úgy látom hogy a slot-oknál van a hiba. Nem tudja hogy hova kell besorolni a két spare-nak feltételezett hdd-t.