xen-users
Re: [Xen-users] how to use prebuilt images from jailtime.org?
Sadique Puthen 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"
Probably you need a initrd image built using --with=xennet
--preload=xenblk and specify that as ramdisk= in the guest
configuration file and change the /etc/fstab references in your image
to xvda after loopback mounting that in dom0.
--Sadique
Hi Sadique
I'm going to attempt this again. I've installed Xen 3.2 on my CentOS 5.1
machine, and want to try use this jailtime image again.
I've mounted /home/centos.5-1.img on /mnt/vm, edited /mnt/vm/etc/fstab &
changed it to use /dev/xvda1
# This file is edited by fstab-sync - see 'man fstab-sync' for details
/dev/xvda1 / ext3 defaults 1 1
From this, I realize there's no /dev/xvda on the image:
[root@temp01 ~]# ll /mnt/vm/dev/x*
crw-rw---- 1 root root 10, 179 Mar 25 2001 /mnt/vm/dev/xsvc
crw-r--r-- 1 root root 204, 191 Mar 21 2007 /mnt/vm/dev/xvc0
So, how do I get it?
I'm trying to understand what you mean with the --with-xennet
--preload=xenblk stuff, but I don't understand how / where to put it.
Please elaborate?
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)
Any ideas on how to get these images to work?
--
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 stuff
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