Jocko wrote:Remove also the option missing (must be used only when you create a raid !)
Ok the we are
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[root@LaCie-5big ~]# mdadm --assemble --force --verbose /dev/md4 /dev/sdc2 /dev/sdb2 /dev/sdd2 /dev/sde2
mdadm: looking for devices for /dev/md4
mdadm: /dev/sdc2 is identified as a member of /dev/md4, slot 1.
mdadm: /dev/sdb2 is identified as a member of /dev/md4, slot 3.
mdadm: /dev/sdd2 is identified as a member of /dev/md4, slot 2.
mdadm: /dev/sde2 is identified as a member of /dev/md4, slot 4.
mdadm: forcing event count in /dev/sdc2(1) from 2758623 upto 2758626
mdadm: no uptodate device for slot 0 of /dev/md4
mdadm: added /dev/sdd2 to /dev/md4 as 2
mdadm: added /dev/sdb2 to /dev/md4 as 3
mdadm: added /dev/sde2 to /dev/md4 as 4
mdadm: added /dev/sdc2 to /dev/md4 as 1
mdadm: /dev/md4 has been started with 4 drives (out of 5).
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[root@LaCie-5big ~]# cat /proc/mdstat
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4]
md4 : active raid5 sdc2[1](F) sde2[4] sdb2[2] sdd2[3]
15619969024 blocks super 1.0 level 5, 64k chunk, algorithm 2 [5/3] [__UUU]
md3 : active raid1 sda5[0] sde5[1] sdc5[4] sdb5[3] sdd5[2]
255936 blocks [5/5] [UUUUU]
md2 : active raid1 sda9[0] sde9[1] sdb9[4] sdc9[3] sdd9[2]
875456 blocks [5/5] [UUUUU]
md1 : active raid1 sda8[0] sdb8[4] sdc8[3] sdd8[2] sde8[1]
843328 blocks [5/5] [UUUUU]
md0 : active raid1 sde7[4] sdd7[3] sdc7[2] sdb7[1] sda7[0]
16000 blocks [5/5] [UUUUU]
unused devices: <none>