kmod: failed to exec /sbin/modprobe -s -k md-personality-4, errno = 2

[Topan]

I got that messages when I change my partition id to fd.

My Raid5 runs normally when I type raidstart /dev/md0

But I want my raid5 starting at boot-time.

 

How to fix this problem ?

 

Thanks before.

 

#### complete messages :

 

md: md0: raid array is not clean -- starting background reconstruction
kmod: failed to exec /sbin/modprobe -s -k md-personality-4, errno = 2
do_md_run() returned -22
unbind<sdc5,2>
export_rdev(sdc5)
unbind<sdb2,1>
export_rdev(sdb2)
unbind<sda2,0>
export_rdev(sda2)
md0 stopped.
... autorun DONE