On Sunday 21 January 2007 17:02, Bo Jacobsen wrote:
> I have done a:
> > grub root (hd0,1)
> >setup (hd0)
>
> on the harddisk so it should be OK. Besides the 2.19.1 kernel on the
> system boots without any problems.
> Both kernels are defined in /boot/grub/menu.lst:
> ..
> title Linux 2.6.19.1                     # This always works, no matter
> the hardware.
>     root (hd0,1)
>     kernel /boot/boot.2.19      root=/dev/md1
>
> title Default OpenSuSE 10.2      # Do not work, but if harddisk is
> attached to MS Virtual PC then it works !?
>     root (hd0,1)
>     kernel /boot/vmlinuz-2.6.18.2-34-default       root=/dev/md1
>     initrd /boot/initrd-2.6.18.2-34-default
>
> When booting the default SuSE kernel, the following is written to the
> screen:
>     Loading liniar
>     md: Liniar personality registered for level1
>     Loading JBD
>     Loading mbcache
>     Loading ext3
>     md: MD1: No device found for /dev/md1
>     Waiting for device /dev/md1 to appear: OK
>     /dev/md1: Unknown volume type
>     Invalid boot file system - exiting to /bin/sh.
>     ..
> And then the boot stops.
>
> The same harddisk mounted on a MS Virtual PC and booted with the same
> Grub bootline,
> boots as expected, and makes the following lines in boot.msg:
>     ..
>     Loading liniar
>     Loading mbcache
>     Loading ext3
>     mdadm: /dev/md0 has been started with 1 drive (out of 2).
>     mdadm: /dev/md1 has been started with 1 drive (out of 2).
>     ...
> /Bo

Since the data is still intact and you have 2 different methods of booting 
this RAID array I think its something very basic that you are overlooking. 
Been there done that myself. Are you sure of the grub parameters on the 
raid array? You're showing us your selected lines of /boot/grub/menu.lst 
and not the whole thing so we can't spot any potential errors/differences. 
Is there an initrd line for the boot-2.19 kernel? What other params are we 
not seeing?

One nit to pick also. Why put /swap on the RAID array? I'd advocate having 
two separate non-RAID /swap files on the bare metal. But then, that's just 
me. /swap is slow enough compared to main memory but then you also want to 
write that transient data again to another drive and slow the rest of the 
system down, again? Sure modern systems are fast but I look at it as 
unneeded wear and tear.

Stan

Stan
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