Re: [OSR-devel] Remounting New Root After Booting

[Marc G. <gr...@at...>]

On Thursday 11 October 2007 12:13:29 Gordan Bobic wrote:
> On Thu, 11 Oct 2007, Gordan Bobic wrote:
> >>>>>>> And, obviously, I'd need to make all this happen before the normal
> >>>>>>> boot process tries to mount the root disk.
> >>>>>>
> >>>>>> Do it before or right after scsi-start is called.
> >>>>>
> >>>>> I can't find any reference to "scsi-start". Where does this happen?
> >>>>
> >>>> It's scsi_start in linux.generic.sh Line 239.
> >>>
> >>> D'oh! What a difference an _ makes.
> >>>
> >>> I think the iSCSI stuff should be added before the dm_start stuff,
> >>> which is just before the scsi_start.
> >>>
> >>> Right, that seems to have worked. Almost there. Now I get:
> >>>
> >>> Mounting LABEL=/ on /mnt/newroot..device not found error [FAILED]
> >>> Mounting /cdsl.local on /cluster/cdsl/3..no cdsldir found
> >>> "/mnt/mewroot//cluster/cdsl"
> >>> Could not mount cdsl /cdsl.local to /cluster/cdsl/3. Exiting
> >>>
> >>> Where does it get the LABEL=/ from? I'm pretty sure I didn't set any.
> >>
> >> Concerning LABEL=/
> >> I think you should check you bootloader config and change root=LABEL=/
> >> to root=/dev/sd.. That should do it.
> >
> > What files is that in?
>
> Just looking through the initrd init script - what is supposed to be in
> /etc/sysconfig/comoonics-chroot ? It's mentioned in the comments, but I
> don't see it referenced in the actualy code.
If you have a local disk in your server you can use it to move all the files 
on it and save some memory.

This can either be done configured in /etc/sysconfig/comoonics-chroot 
installed via comoonics-bootimage-compat (or something use: yum search 
comoonics-bootimage) or with the cluster.conf section .

    <chrootenv mountpoint="/var/comoonics/chroot" fstype="ext3"
                        device="/dev/vg_local/lv_chroot"
                        chrootdir="/var/comoonics/chroot"/>

All services needed for the cluster outside the sharedroot will be running 
there.
Marc.

>
> Gordan
>
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-- 
Gruss / Regards,

Marc Grimme
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