[aur-general] mkinitcpio/mdadm/mdadm_udev fail to start raid10

[Doug Newgard]

On Mon, 24 Nov 2014 17:27:09 -0500
Ido Rosen <ido at kernel.org> wrote:

> The the default configuration under ArchLinux and DEVICE partitions in
> mdadm.conf, mdadm and the mdadm mkinitcpio hook fail to load the
> raid10 kernel module automatically, and as a result raid10 arrays fail
> to load on boot in Arch.
> 
> My temporary workaround is to include the raid10 kernel module in the
> mkinitcpio.conf MODULES= list, it could also be included in
> /etc/modules-load.d/*.conf, but this should not be necessary, and is
> currently not necessary for raid1 arrays.  I do not think this is an
> upstream problem since my LFS and Gentoo boxes do load the correct
> (raid10) kernel module without any specific configuration to do so.
> 
> Has anyone else replicated this behavior?
> 
> Suggestions:
> 
> - Preferred: Make the initcpio hook/mdadm udev rules/whatever loads
> raid1.ko normally also detect raid10 (and raid5, raid6, ...) arrays
> properly.
> 
> - Alternatively: Add a section to the SW RAID wiki page describing how
> to make the module load persist on boot
> (https://wiki.archlinux.org/index.php/Software_RAID_and_LVM#Load_kernel_modules)
> 
> Ido

Did you mean to send this to arch-general instead?

Doug