Hi guys,
I have a CentOS installed on my system (P4- core2duo, sata hard drive). At
installation I have also installed the Virtualization package which
installed xen, and made the boot record for xen.
I realized that I don't have kernel-xen0 and kernel-xenU as I had in
Fedora (fedora was another unlucky experience with xen). My grub.conf:
=================
default=0
timeout=5
splashimage=(hd0,0)/boot/grub/splash.xpm.gz
hiddenmenu
title CentOS (2.6.18-8.1.4.el5xen)
root (hd0,0)
kernel /boot/xen.gz-2.6.18-8.1.4.el5
module /boot/vmlinuz-2.6.18-8.1.4.el5xen ro root=LABEL=/ rhgb quiet
module /boot/initrd-2.6.18-8.1.4.el5xen.img
title CentOS (2.6.18-8.el5xen)
root (hd0,0)
kernel /boot/xen.gz-2.6.18-8.el5
module /boot/vmlinuz-2.6.18-8.el5xen ro root=LABEL=/ rhgb quiet
module /boot/initrd-2.6.18-8.el5xen.img
===========
The dom0 boots ok, and I didn't had any problems with it. Xend is started.
I am tring to create a virtual machine (initially I wanted to install
FreeBSD, but I've read just before posting that can not be
paravirtualized, so I'll use another version of linux or the same).
I have the following config file called linux:
------------------
#kernel = "/boot/vmlinuz-2.6.10-xenU"
kernel = "/boot/vmlinuz-2.6.18-8.1.4.el5xen"
# The domain build function. Default is 'linux'.
builder='linux-test'
memory = 512
name = "bsd"
# List of which CPUS this domain is allowed to use, default Xen picks
#cpus = "" # leave to Xen to pick
#cpus = "0" # all vcpus run on CPU0
#cpus = "0-3,5,^1" # run on cpus 0,2,3,5
vcpus = 1
vif = [ '', 'bridge=xenbr1' ]
device_model = '/usr/lib64/xen/bin/qemu-dm'
disk = [ 'phy:/dev/VGvhosts/root,hda1,w',
'phy:/dev/VGvhosts/swap,hda2,w',
'phy:/dev/VGvhosts/tmp,hda3,w' ]
# 'phy:/dev/VGvhosts/var,hda4,w' ]
dhcp="dhcp"
# Set root device.
root = "/dev/hda1"
cdrom = "/home/admn/iso/6.2-RELEASE-i386-disc1.iso"
boot = "dc"
[root@octavpc1 xen]# mcedit linux
[root@octavpc1 xen]# cat linux
#kernel = "/boot/vmlinuz-2.6.10-xenU"
kernel = "/boot/vmlinuz-2.6.18-8.1.4.el5xen"
# The domain build function. Default is 'linux'.
builder='linux'
memory = 512
name = "linux-test"
# List of which CPUS this domain is allowed to use, default Xen picks
#cpus = "" # leave to Xen to pick
#cpus = "0" # all vcpus run on CPU0
#cpus = "0-3,5,^1" # run on cpus 0,2,3,5
vcpus = 1
vif = [ '', 'bridge=xenbr1' ]
device_model = '/usr/lib64/xen/bin/qemu-dm'
disk = [ 'phy:/dev/VGvhosts/root,hda1,w',
'phy:/dev/VGvhosts/swap,hda2,w',
'phy:/dev/VGvhosts/tmp,hda3,w' ]
# 'phy:/dev/VGvhosts/var,hda4,w' ]
dhcp="dhcp"
# Set root device.
root = "/dev/hda1"
cdrom = "/home/admn/iso/6.2-RELEASE-i386-disc1.iso"
boot = "dc"
----------------------
When I do a xm create -c linux, I see the vm booting (at least that's what
I think it's doing) and I receive an error. Here are the last line of what
I see on my screen:
----------------
Initializing IPsec netlink socket
NET: Registered protocol family 1
NET: Registered protocol family 17
XENBUS: Device with no driver: device/vbd/769
XENBUS: Device with no driver: device/vbd/770
XENBUS: Device with no driver: device/vbd/771
XENBUS: Device with no driver: device/vif/0
XENBUS: Device with no driver: device/vif/1
md: Autodetecting RAID arrays.
md: autorun ...
md: ... autorun DONE.
VFS: Cannot open root device "hda1" 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)
If I try to mount the logical volumes, I get:
--------------------
Using config file "./linux".
Error: destroyDevice() takes exactly 3 arguments (2 given)
----------------------
I tried to change from hda to sda, I have also tried sda3 for all of them
since my disk looks like this:
sda1 - / -30GB
sda2 - swap -3,5GB
sda3 - lvm - 209GB
On the lvm I have the following partitions formated as ext3: root, var,
tmp and .... swap.
I know I have the image of a bsd cd know (I'll make an image of a linux
and use that instead), but it should at least boot! Right?
So I tried a lot of Google and couldn't find an answer to my problem. This
is my first time with xen. Can U please help me?
Thanks in advance.
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