Xen users - Apr 2005 - installation of Xen binary on Fedora 2 with LVM

Hello,
  I had tried to install Xen binary on Fedora 2 according to the user 
manual.

My platform has LVM.

I tried 2 different grub entries for zen:

The first was:
    kernel /xen.gz dom0_mem=131072
    module /vmlinuz-2.6.10-xen0 root=LABEL=/ ro console=tty0
    It says the it can''t find the / (root) and looks for a
    floppy or an NFS root. (I don''t have a floppy at all and there is
    no floppy entry in /etc/fstab).
    Then it ask me to press any key, and when I do so - it reboots.

In the second I added one line:
    module /initrd-2.6.9-1.667.img


The initrd-2.6.9-1.667.img is the original Fedora imitrd file (is it
OK to use it ?)

Then booting into Xen doesn''t succeed and it reboots the machine
(It is to fast to see exactly the log).


Any ideas?

Regards,
Sting

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> The first was:
>     kernel /xen.gz dom0_mem=131072
>     module /vmlinuz-2.6.10-xen0 root=LABEL=/ ro console=tty0
>     It says the it can''t find the / (root) and looks for a
>     floppy or an NFS root. (I don''t have a floppy at all and there
is
>     no floppy entry in /etc/fstab).
>     Then it ask me to press any key, and when I do so - it reboots.
You can''t use the LABEL=/ syntax unless you have an initrd.  However,
you
could look up the partition number of the root device in /etc/fstab and use 
that instead. (e.g. something like root=/dev/hda2).

That should work on FC2.
> In the second I added one line:
>     module /initrd-2.6.9-1.667.img
>
>
> The initrd-2.6.9-1.667.img is the original Fedora imitrd file (is it
> OK to use it ?)
You''d need to build a new initrd using mkinitrd.  You can probably do
without
on FC2, however.

Cheers,
Mark

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Hello,
Thanks;

In /etc/fstab I have:

/dev/VolGroup00/LogVol00 /                       ext3    defaults        1 1
So I tried booting without initrd like thus:

kernel /xen.gz dom0_mem=131072
module /vmlinuz-2.6.10-xen0 root=/dev/VolGroup00/LogVol00 ro console=tty0

And I get the following message:
.........
.........

Root-NFS: no NFS server available,giving up
VFS: Unable to mount root fs via NFS,trying floppy
VFS: Insert root floppy and press enter


And when I press enter I see
kernel panic (not syncing...)
(I did not catch the rest)
and it reboots.

I want to add that when I boot the fedora I have

kernel /vmlinuz-2.6.9-1.667 ro root=/dev/VolGroup00/LogVol00 rhgb quiet
initrd /initrd-2.6.9-1.667.img


In case I should use mkinitrd - should I run it with
mkinitrd initrd_file_name .img 2.6.9-1.667 (2.6.9-1.667 is the original 
version of the Fedora kernel I have)
Or should it be somehow connected to the Xen kernel
vmlinuz-2.6-xen0 I have
something like
mkinitrd initrd_file_name .img 22.6-xen0 ?

(I don''t know much on mkinitrd).

Any ideas?

Regards,
Sting


>From: Mark Williamson <mark.williamson@cl.cam.ac.uk>
>To: xen-users@lists.xensource.com
>CC: sting sting <zstingx@hotmail.com>
>Subject: Re: [Xen-users] installation of  Xen binary on Fedora 2 with LVM
>Date: Fri, 29 Apr 2005 17:46:16 +0100
>
> > The first was:
> >     kernel /xen.gz dom0_mem=131072
> >     module /vmlinuz-2.6.10-xen0 root=LABEL=/ ro console=tty0
> >     It says the it can''t find the / (root) and looks for a
> >     floppy or an NFS root. (I don''t have a floppy at all and
there is
> >     no floppy entry in /etc/fstab).
> >     Then it ask me to press any key, and when I do so - it reboots.
>
>You can''t use the LABEL=/ syntax unless you have an initrd. 
However, you
>could look up the partition number of the root device in /etc/fstab and use
>that instead. (e.g. something like root=/dev/hda2).
>
>That should work on FC2.
>
> > In the second I added one line:
> >     module /initrd-2.6.9-1.667.img
> >
> >
> > The initrd-2.6.9-1.667.img is the original Fedora imitrd file (is it
> > OK to use it ?)
>
>You''d need to build a new initrd using mkinitrd.  You can probably
do
>without
>on FC2, however.
>
>Cheers,
>Mark
>
>_______________________________________________
>Xen-users mailing list
>Xen-users@lists.xensource.com
>http://lists.xensource.com/xen-users
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