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SubjectRe: md device files missing at boot time
On Wed, 04 Jul 2007 15:32:55 +0200, Ingo Freund <linux-kernel-news@e-dict.net> wrote:

> Hi folks,
>
> one of the systems I'm working with was changed (copied) from single (scsi - sda1)
> to multiple disk (raid1) (sdb1,sdc1 --> md0).
> When I try to boot from the new created md-device it stops with:
> ...
> loading reiserfs
> "Waiting for device /dev/md0 to appear: ........ not found -- Exiting to /bin/sh
>
> A
> # ls -la /dev/md*
> shows nothing, so I understand why the "/" cannot be mounted, but
> where are the /dev/md* files (I found them in "/lib/udev/devices")?
>
> The kernel is vanilla 2.6.21.5, the (I think) needed hardware and filesystem
> drivers are built in modules and put into an initrd file for loading at boot time.
>
> Does anyone have an idea what I might do wrong?
>

Stupid question, I suppose...
Are you sdb1,sdc1 partitions "Linux RAID _autodetect_" ?
All my raids use the md+raid modules builtin, no initrd, so I don't know
if you have to force load of md on the initrd, or kernel will autoload if
you use root=/dev/md0.

Could you post your dmesg ?

--
J.A. Magallon <jamagallon()ono!com> \ Software is like sex:
\ It's better when it's free
Mandriva Linux release 2008.0 (Cooker) for i586
Linux 2.6.21-jam10 (gcc 4.1.2 20070302 (4.1.2-1mdv2007.1)) SMP PREEMPT
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0
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