Re: [Xen-users] Troubles converting a pv host from dom0-hosted kernel to self-contained kernel

[Guillaume Rousse <Guillaume.Rousse@xxxxxxxx>]

Fajar A. Nugraha a écrit :
> > Second issue, the boot stop at root partition mount time, trying to force
> > fsck:
> > [/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a -a /dev/sda1
> > fsck.ext3: No such file or directory while trying to open /dev/sda1
> > /dev/sda1:
> > The superblock could not be read or does not describe a correct ext2
> > filesystem.  If the device is valid and it really contains an ext2
> > filesystem (and not swap or ufs or something else), then the superblock
> > is corrupt, and you might try running e2fsck with an alternate superblock:
> >    e2fsck -b 8193 <device>
> >
> > This happens whatever device I use for root partition in domU /etc/fstab
> > (/dev/sda1 or /dev/xdva1). However, I can perfectly mount
> > /dev/vg0/sexonthebeach as an ext3 partition in domU. Morevoer, the emergency
> > shell has expected content monted under / in both case...
> This is odd. What is the EXACT message you got when fstab use xvda1?
> I'd try :
> - modifying domU config to use xvda1
> - change fstab to use xvda
> - rebuild domU's initrd
> - try again
Well, I probably made a typo in my first try. I finally succeded, using 
xvda everywhere.
Thanks both of you for your help.

> > Last question, loosely related to this problem: is there a way to easily
> > convert a partition-based host to a disk-based host (phy:/dev/vg0/foo,sda1
> > -> phy:/dev/vg0/foo,sda) ?
> None that I know of. Normal cp/tar/rsync/dd should do. I like
> partition-based host setup better, since it's easier to mount on dom0
> and resize the disk when necessary.
Indeed. I have to balance this with harmonisation with my 
hardware-virtualised hosts, which are disk-based.


--
Guillaume Rousse
Service des Moyens Informatiques
INRIA Saclay - Île-de-France
Parc Orsay Université, 4 rue J. Monod
91893 Orsay Cedex France
Tel: 01 69 35 69 62

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