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xen-users
Re: [Xen-users] how to use prebuilt images from jailtime.org?
Nico Kadel-Garcia wrote:
Rudi Ahlers wrote:
Hi
Does anyone know how to use the images from http://www.jailtime.org/?
I've downloaded the CentOS 5.1
(http://www.jailtime.org/download:centos:v5.1) to my CentOS 5.1 x64
Xen 3.1 server, and unpacked it to my /home folder.
Then I took the included config file, centos.5-1.xen3.cfg and copied
it to /xen - and modified to my needs:
[root@gimbli home]# more /etc/xen/centos5-1
kernel = "/boot/vmlinuz-2.6.18-53.1.13.el5xen"
memory = 256
name = "centos5-1"
vif = [ '' ]
dhcp = "dhcp"
#disk = ['file:/home/vm/centos.5-1.img,sda1,w',
'file:/home/centos.swap,sda2,w']
#root = "/dev/xvda1 ro"
disk = [ "tap:aio:/home/vm/centos.5-1.img,xvda,w" ]
root = "/dev/xvda ro"
Yet, when I try and use it, I get the following error:
VFS: Cannot open root device "xvda" or unknown-block(0,0)
Please append a correct "root=" boot option
Kernel panic - not syncing: VFS: Unable to mount root fs on
unknown-block(0,0)
I gave up on the jailtime images a while ago: they're useful, but I
find a fast virt-install to be similarly useful and to cooperate with
the CentOS/RHEL ideas about where things go. In particular, the
/etc/fstab of the Jailtime image expects partitions to be on /dev/sda,
while the current Xen installers and kernels put them in /dev/xvda.
Check the /etc/fstab of your image (which should be mountable with
kpartx and loopback mounts, and look at its /etc/fstab. Or simply
mount the partitions as /dev/sda the same way that the Jailtime author
did.
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That didn't work, I've tried it already. Changing the /dev/sda1 line in
/mnt/centos5.1/etc/fstab (image mounted with look device) to /dev/xvda1
gave me the same error, except for pointing to a different block device.
Looking at /mnt/centos5.1/dev - there is no xvdX devices, so this is a
problem.
--
Kind Regards
Rudi Ahlers
CEO, SoftDux
Web: http://www.SoftDux.com
Check out my technical blog, http://blog.softdux.com for Linux or other
technical stuff, or visit http://www.WebHostingTalk.co.za for Web Hosting stugg
_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users
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