After upgrading from 5.2 to 6.0 , raidstart fails with the error: /dev/md0: Invalid argument raidtab is included below. /var/log/messages: May 24 17:28:48 cholla kernel: raid0 personality registered May 24 17:29:04 cholla kernel: (read) sdb1's sb offset: 4192832 [events: 6c6c6c6 c] May 24 17:29:04 cholla kernel: md: invalid raid superblock magic on sdb1 May 24 17:29:04 cholla kernel: md: sdb1 has invalid sb, not importing! May 24 17:29:04 cholla kernel: could not import sdb1! May 24 17:29:04 cholla kernel: autostart sdb1 failed! May 24 17:29:04 cholla kernel: huh12? raiddev /dev/md0 raid-level 0 persistent-superblock 0 nr-raid-disks 2 nr-spare-disks 0 device /dev/sdb1 raid-disk 0 device /dev/sdc1 raid-disk 1
I had the same problem with Raid1 partitions, see Bug ID 2719 for workaround.
*** This bug has been marked as a duplicate of 2719 ***