Re: [gentoo-server] Auto allocating RAID sets on reboot w/mdadm

[Ewald Wasscher <ewald@wasscher.net>]

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Jesse, Rich wrote:
> Hey all,
>
> I've got two RAID-0 sets (I know, I know, but they really are expendable
> and it's my test box) but when I reboot, the RAID sets are not
> reallocated.  I've looked in /etc/init.d/mdadm and
> /lib/rcscripts/raid_start.sh, but "mdadm --assemble" isn't called and
> consequently the RAIDs  aren't mounted.  Here's the pertinent lines from
> /etc/mdadm.conf:
>
> #DEVICE	/dev/sd*
> #ARRAY	/dev/md0 devices=/dev/sda,/dev/sdb,/dev/sdc,/dev/sdd
> #ARRAY	/dev/md1 devices=/dev/sde,/dev/sdf
> ARRAY /dev/md0 level=raid0 num-devices=4
> UUID=bb968c49:5ca8ea1b:383ac76f:8950b88a
> ARRAY /dev/md1 level=raid0 num-devices=2
> UUID=96ba9471:e161224f:6bac7812:23c3f914
>
> I've tried the commented out lines first, but no autostart so I went
> with the bottom ones, which are the output of "mdadm --examine --scan".
> And still no autostart.  Not that I really thought so, since there's no
> "mdadm --assemble" found in the startup, but I'm still kinda green on
> mdadm so I thought I'd try.
>
> And Google hasn't really helped.  The Gentoo Wiki's great for
> installation and setup, but I wasn't able to find anything about this.
>
> Thoughts?  This must be really simple...
>
>   
You do have raid0 compiled in your kernel or loaded as a kernel module,
do you? I forgot that once.

Ewald Wasscher


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