Re: [Xen-users] How to create a domU on RedHat Enterprise AS 4.4?

[Luke Crawford <lsc@xxxxxxxxx>]

if you are  using the partition-within-the-domU method that makes it 
difficult to mount it outside,  make the problem domU the second disk in a 
good domU... you can boot the good domU and the mount the second disk and 
mess with it.

On Sun, 10 Sep 2006, Liang Yang wrote:

> Date: Sun, 10 Sep 2006 16:24:40 -0700
> From: Liang Yang <multisyncfe991@xxxxxxxxxxx>
> To: Tom Z. Napierala <tom@xxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: Re: [Xen-users] How to create a domU on RedHat Enterprise AS 4.4?
>
> Hi Tom,
>
> I can not even boot my domU, how can I check my domU fstab?
>
> Thanks,
>
> Liang
>
> ----- Original Message ----- From: "Tom Z. Napierala" <tom@xxxxxx>
> To: <xen-users@xxxxxxxxxxxxxxxxxxx>
> Sent: Sunday, September 10, 2006 8:34 AM
> Subject: Re: [Xen-users] How to create a domU on RedHat Enterprise AS 4.4?
>
>
> Dnia Saturday 09 September 2006 04:14, Liang Yang napisaÅ:
> > Hi,
> >
> > I installed Xen 3.0.2 on RedHat Enterprise AS 4.4. Now I try to create 
> > domU
> > from dom0. I copied the whole filesystem of a RedHat to the logic volume
> > group (/dev/VG_Dom6_Linux/LogVol00) I created for domU.  I then start 
> > the
> > domU kernel, however I got the following errors:
> [...]
>
> > Checking root filesystem
> > [/sbin/fsck.ext3 (1) -- /] fsck.ext3 -a /dev/VG_Dom6_Linux/LogVol00
> > fsck.ext3: /dev/VG_Dom6_Linux/LogVol00:
> > 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>
> >
> > No such file or directory while trying to open 
> > /dev/VG_Dom6_Linux/LogVol00
> > [FAILED]
> [...]
>
> Your DomU is trying to access logocal volume as root instrad of sda1.
>
> > Here is the content of my domU config file:
> > kernel = "/boot/vmlinuz-2.6-xenU"
> > ramdisk = "/boot/initrd-2.6-xen.img"
> > memory = 512
> > name = "domain1"
> > extra = "3"
> > vif = [ 'bridge=xenbr0' ]
> > dhcp = "dhcp"
> > disk = ['phy:/dev/VG_Dom6_Linux/LogVol00,sda1,w' ]
> > root = "/dev/sda1 ro"
> Check your DomU fstab.
>
> Regards,
> --
> Tom Napierala
> DB Alliance Limited
> North Point House, New Mallow Road, Cork, Ireland
> The National Software Centre, Mahon, Cork, Ireland
>
>
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