I have a SAS controller, which is slow to initialize. After startup, the array is assembled only partly.
There are dmesg and mdstat. Kernel-level raid autodetect is disabled.
The RAID5 array should consist of sd[f-m].
Created attachment 313779 [details]
Created attachment 313781 [details]
Created attachment 313783 [details]
emerge --info mdadm
After startup I can disassemble those three arrays, and correctly assemble 8-disk array by simply 'mdadm -As'
sounds like bug 416081
*** This bug has been marked as a duplicate of bug 416081 ***