Disk involved: /dev/sd[b-j]
mdadm --detail /dev/md0
mdadm --stop /dev/md0
mdadm --zero-superblock /dev/sd[b-j]
mdadm -C /dev/md0 --level=raid0 --raid-devices=9 /dev/sd[b-j]
Validation:
:/root $ cat /proc/mdstat
Personalities : [raid0]
md0 : active raid0 sdj[8] sdi[7] sdh[6] sdg[5] sdf[4] sde[3] sdd[2] sdc[1] sdb[0]
7187807232 blocks super 1.2 512k chunks
unused devices:
:/root $
:/root $ mdadm --detail /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Thu Aug 16 11:21:10 2018
Raid Level : raid0
Array Size : 7187807232 (6854.83 GiB 7360.31 GB)
Raid Devices : 9
Total Devices : 9
Persistence : Superblock is persistent
Update Time : Thu Aug 16 11:21:10 2018
State : clean
Active Devices : 9
Working Devices : 9
Failed Devices : 0
Spare Devices : 0
Chunk Size : 512K
Name : oserxxxxx:0 (local to host oserxxxx)
UUID : 12488bc6:ba504d23:602ecd04:5dd5622f
Events : 0
Number Major Minor RaidDevice State
0 8 16 0 active sync /dev/sdb
1 8 32 1 active sync /dev/sdc
2 8 48 2 active sync /dev/sdd
3 8 64 3 active sync /dev/sde
4 8 80 4 active sync /dev/sdf
5 8 96 5 active sync /dev/sdg
6 8 112 6 active sync /dev/sdh
7 8 128 7 active sync /dev/sdi
8 8 144 8 active sync /dev/sdj
:/root $