Re: [Xen-users] xen SUSE 9.3 ReiserFS domU not finding root fs

[Fernando Maior <fernando.souto.maior@xxxxxxxxx>]

On 7/3/05, çåå <tianguanhua@xxxxxxxxxx> wrote:
> Hi
>      I want to ask a question,  You  are setuping  SuSE on Xen,  does SuSE 
> need any special hardware request to run  under Xen ï
>      I have some  PCs  ,just common PC ,can I try to run SuSE  with Xen on 
> common PSs,?  Do I have some special hardware to do it ? On what hardware do 
> you did it ?
> 
> I am looking forward to your  guide.
> 
> ----- Original Message -----
> From: "Fernando Maior" <fernando.souto.maior@xxxxxxxxx>
> To: <xen-users@xxxxxxxxxxxxxxxxxxx>
> Sent: Saturday, May 14, 2005 3:21 AM
> Subject: Re: [Xen-users] xen SUSE 9.3 ReiserFS domU not finding root fs
> 
> 
> On 5/13/05, Daniel Netzer | zeroconcept.de <daniel.netzer@xxxxxxxxxxxxxx> 
> wrote:
> > Hi,
> >
> > I have trouble starting my domU on a suse 9.3 box. I use the xen that
> > shipped with suse.
> >
> > I use file backed VMs and created the root and swap images. I used
> > mkreiserfs to format the image file and installed suse 9.3 via the YaST
> > module "install into directory for XEN". finally I created /etc/fstab IN
> > the loop mounted image file:
> >
> > /dev/sda1            /                    reiserfs   defaults
> >     1 1
> > /dev/sda2            swap                 swap       pri=42
> >     0 0
> > devpts               /dev/pts             devpts     mode=0620,gid=5
> >     0 0
> > proc                 /proc                proc       defaults
> >     0 0
> >
> > If I boot such a domU  - it panics while booting saying something like:
> > "Not syncing root file system - rebooting in <1>". If I use an image
> > file which was formatted with ext3 (again adjusted the /etc/fstab)
> > everything works fine and SUSE is booting. After a closer look I noticed
> > that the ext3 filesystem is used in ext2 mode only.
> >
> > How do I use ReiserFS for my unprivileged Domains? Do I need an initrd?
> > How do I configure it? I tried the /boot/initrd-xen from suse and used
> > the following line in my config but it doesnÂt seem to work too:
> >
> > ramdisk = "/boot/initrd-xen"
> >
> > Can anybody help?
> >
> > thanks a lot!
> > Daniel
> 
> Is it possible your dom0 initrd is not loading reiserfs module? First look
> is at the /etc/sysconfig/kernel in your dom0 root file system. Mount it
> and look at that file, there should be a line like:
> 
> INITRD_MODULES="reiserfs"
> 
> Also, there was a thread in the list this week about problems with the
> mkinitrd, where the mkinitrd just kept using the modules for the old
> non-xen kernel, instead of the xen kernel. Gerd Knorr is one of the
> participants.
> 
> --
> Bye,
> Fernando Maior
> LPIC/1 31908
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
> 

Hi,

I am not using any special hardware to run Xen on SuSE 9.2
Professional. I just installed SuSE 9.2 into the Intel P4 2.4Ghz
with 1GB RAM and about 40GB disk. The amount of RAM is
what limits the number of xen domains running in the hardware.

And I am not using Xen from SuSE, instead I downloaded the
tar gz package and installed from source. Far better, IMO.

-- 
Bye,
Fernando Maior
LPIC/1 31908

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