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xen-users
Re: [Xen-users] Convert from image to LVM
OK it's surely because of this command line: later arguments override
earlier ones (if the argument cannot be specified multiple times).
If you use Debian/Ubuntu's update-grub mechanism, remember to alter the
root device within the configuring comments in /boot/grub/menu.lst.
You can also use GRUB's edit-method by pressing e while the bootloader
is displayed. Ensure that the command line there is correct (should be
console=hvc0 root=/dev/xvda1 ro fastboot).
Am 26.06.2010 21:12, schrieb Jonathan Tripathy:
Also, what is very strange is that if I do cat /proc/cmsline from the
busybox promt, the output i get is:
console=hvc0 root=/dev/xvda1 ro root=/dev/sda1 fastboot
Very strange why 2 roots are appearing...
On 26/06/10 19:47, Felix Kuperjans wrote:
Where and when exactly does this message appear? From what you've told
I guess it is during init, so it would be interesting which messages
precede that alert.
Am 26.06.2010 20:41, schrieb Jonathan Tripathy:
Still doing the same thing. I've change root=/dev/xvda1 in menu.lst,
and I've changed it to /dev/xvda1 in /etc/fstab and /etc/mtab, however
it still can't mount root. it says "ALERT! /dev/sda1 doesn't exist".
Maybe there another file I need to change somewhere in Ubuntu?
On 26/06/10 19:29, Felix Kuperjans wrote:
Should be the /dev/xvdaX devices, too.
Am 26.06.2010 20:27, schrieb Jonathan Tripathy:
Thanks Felix,
What should fstab and mtab point to?
On 26/06/10 19:23, Felix Kuperjans wrote:
The root= parameter in pygrub should rather point to /dev/xvda1 than to
/dev/hda1 if you use PV domains.
Am 26.06.2010 20:16, schrieb Jonathan Tripathy:
By changing the config from xvda to sda, it work normal. However I wish
to use xvda as I think it's te "standard" for the future..
So clearly there is some setting in my Ubuntu that is still making it
look for sda1 instead of hda1. It's as if it's ignoring the "root="
argument in pygrub...
On 26/06/10 19:09, Jonathan Tripathy wrote:
Hi Everyone,
I'm trying to convert my Ubuntu PV Guest from image based disk to LVM.
It uses pygrub.
What I did, was I created a new LV and used dd to copy the contents of
the image over to the LV. I then changed the domU config file to use
phy:/
Now, when I start the DomU, the kernel boots, however it can't seem to
mount root properly. It says that /dev/sda1 doesn't exist. What is
strange is that in the Dom0, I mounted the LV and changed the root=
parameter of the kernel line to point to /dev/hda1, however the
previous error still shows
Any ideas?
Thanks
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