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@lists.xensource.com
[mailto:xen-users-bounces@lists.xensource.com] Em nome de Rahul Agarwal
Enviada em: terça-feira, 16 de setembro de 2008 13:53
Para: xen-users@lists.xensource.com
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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