You might be missing hard disk drives and/or kernel modules.
Try to update your initrd image with the drivers you need.
[]'s
Bruno
-----Mensagem original-----
De: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] Em nome de Rahul Agarwal
Enviada em: terça-feira, 16 de setembro de 2008 13:53
Para: xen-users@xxxxxxxxxxxxxxxxxxx
Assunto: [Xen-users] xen cannot find root filesystem
Hello,
I have a pre-built xen image from jailtime.org (centos.5-2.64.img).
However, I cannot get it to boot. As per the instructions, my conf file is:
kernel = "/boot/vmlinuz-2.6.18-53.el5xen"
ramdisk = "/boot/initrd-2.6.18-53.el5xen.img"
memory = 256
name = "centos.5-2.64"
vif = [ '' ]
#dhcp= "dhcp"
disk = ['tap:aio:/xen/images/centos.5-2.64.img,xvda1,w']
root = "/dev/xvda1 ro"
extra = "fastboot"
However, the vm fails with the following (relevant) output
Loading dm-snapshot.ko module
Waiting for driver initialization.
Scanning and configuring dmraid supported devices
Scanning logical volumes
Reading all physical volumes. This may take a while...
No volume groups found
Activating logical volumes
Volume group "VolGroup00" not found
Creating root device.
Mounting root filesystem.
mount: could not find filesystem '/dev/root'
Setting up other filesystems.
Setting up new root fs
setuproot: moving /dev failed: No such file or directory
no fstab.sys, mounting internal defaults
Following is the relevant section from /var/log/xen/xend.log:
[2008-09-16 07:25:19 xend 4079] DEBUG (DevController:112) DevController:
writing {'domain': 'ce
ntos.5-2.64', 'handle': '0', 'script': '/etc/xen/scripts/vif-bridge',
'state': '1', 'frontend':
'/local/domain/64/device/vif/0', 'mac': '00:16:3e:7a:ec:d6', 'online':
'1', 'frontend-id': '64
'} to /local/domain/0/backend/vif/64/0.
[2008-09-16 07:25:19 xend 4079] DEBUG (blkif:24) exception looking up
device number for xvda1:
[Errno 2] No such file or directory: '/dev/xvda1'
[2008-09-16 07:25:19 xend 4079] DEBUG (DevController:110) DevController:
writing {'virtual-devi
ce': '51713', 'device-type': 'disk', 'protocol': 'x86_64-abi',
'backend-id': '0', 'state': '1',
'backend': '/local/domain/0/backend/tap/64/51713'} to
/local/domain/64/device/vbd/51713.
[2008-09-16 07:25:19 xend 4079] DEBUG (DevController:112) DevController:
writing {'domain': 'ce
ntos.5-2.64', 'frontend': '/local/domain/64/device/vbd/51713', 'dev':
'xvda1', 'state': '1', 'p
arams': 'aio:/xen/images/vlab_vm.img', 'mode': 'w', 'online': '1',
'frontend-id': '64', 'type':
'tap'} to /local/domain/0/backend/tap/64/51713.
Please help!
thanks,
rahul
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