Re: [Devil-Linux-discuss] Problems trying to boot on /dev/md0

[Heiko Z. <he...@zu...>]

On Mon, July 2, 2007 17:16, ee...@fr... wrote:
> ee...@fr... a écrit :
>> Hi all,
>>
>>
> Hi,
>
>
>> I've got a hard-time trying to boot on a raid1 device /dev/md0 composed
>>  of /dev/hda1 and /dev/hdc1
>>
>> I used install-on-usb with /dev/ide/host0/bus0/target0/lun0/disc for
>> the disk and /dev/md/0 as the boot partition but I have several problems
>> :
>>
>>
>> * grub installed but try to boot on hd(0,-1) instead of hd(0,0) or
>> hd(1,0) * my md0 device seems in bad state when i send cat /proc/mdstat
>> :
>>
>>
>> md0 : inactive ide/host0/bus1/target0/lun0/part1[1] 0 blocks
>>
>
> Figured out why reading the script ...
> Not really to take raid devices into account ...
>
>
>> * It seems /dev/hda1 get inaccessible as it is listed in mount list as
>> mounted on /shm/var/adm/boot/ but is not in reality!
>>
>
> after studing linuxrc and mount_cdrom, I see why, while Iwas booting from
> an embedded CF card, the system swap to bootcd.iso which is on first
> partition of first ide disc ... but the fact ls -als /shm/var/adm/boot/
> gives empty directory listing seems a bug from elwhere! trying to re-build
> the full system with i586/i586 arch (was c3_2/i686) strangly glibc 2.3
> refuses to compile when it's about timezones ??? trying to install a fresh
> new lfssystem ...
>
>> It is completly impossible to mount it anywhere ...
>>
>>
> as the whole system is mounted from the iso on this media ...
>
>> I guessed there's a problem with the init script as bootcd.iso is on it
>>  ...
>> and it looks like the init script doesn't release it.
>>
>> I can't access it even to fix the grub config file.
>>
>>
>> Guess DL doesn't support booting on raid devices :(
>>
>>
> the more I see boot scripts, the more I'm convinced; can anyone confirme
> where/why this support has been left aside ?
>
>> but i think grub can handle booting on raid devices for a long time,
>> what's up?
>>
> Any hints to try to improve this ?

You'll have to modify the boot system quite a bit to get that working.
So far we're only supporting use of raid devices, once the system booted.

-- 

Regards
  Heiko Zuerker
  http://www.devil-linux.org