Re: [Xen-users] Installing CentOS 4.3 Guest OS

["Demetri Mouratis" <dmourati.xen.users@xxxxxxxxx>]

Thanks for the replies.  I agree the problem is not a CentOS problem
per se.  I've started my Xen experimentation with Fedora Core 5 which
provides a script to setup domU's for you so this is my first attempt
to go from scratch and it has been difficult to find good docs out
there.

[root@db4 ~]# mount -o loop /home/xen/xendomain2 /mnt/disk/
[root@db4 ~]# chroot /mnt/disk/
bash-3.00# ls
bin   dev  home    lib         media  mnt  proc  sbin     srv  tmp  var
boot  etc  initrd  lost+found  misc   opt  root  selinux  sys  usr

That works just fine.

The /var/log/xend.log is below.

I didn't copy any xenU kernel modules into domU. What exactly is required there?

Modprobe loop didn't seem to help.

[2006-05-25 10:10:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:179)
XendDomainInfo.create(['vm', ['name', 'xendomain2'], ['memory',
'256'], ['vcpus', 1], ['image', ['linux', ['kernel',
'/boot/vmlinuz-2.6.16-1.2122_FC5xenU'], ['root', '/dev/sda1'],
['args', 'ro selinux=0 3']]], ['device', ['vbd', ['uname',
'file:/home/xen/xendomain2'], ['dev', 'sda1'], ['mode', 'w']]]])
[2006-05-25 10:10:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:285)
parseConfig: config is ['vm', ['name', 'xendomain2'], ['memory',
'256'], ['vcpus', 1], ['image', ['linux', ['kernel',
'/boot/vmlinuz-2.6.16-1.2122_FC5xenU'], ['root', '/dev/sda1'],
['args', 'ro selinux=0 3']]], ['device', ['vbd', ['uname',
'file:/home/xen/xendomain2'], ['dev', 'sda1'], ['mode', 'w']]]]
[2006-05-25 10:10:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:381)
parseConfig: result is {'ssidref': None, 'uuid': None, 'on_crash':
None, 'on_reboot': None, 'image': ['linux', ['kernel',
'/boot/vmlinuz-2.6.16-1.2122_FC5xenU'], ['root', '/dev/sda1'],
['args', 'ro selinux=0 3']], 'on_poweroff': None, 'cpus': None,
'name': 'xendomain2', 'backend': [], 'vcpus': 1, 'cpu_weight': None,
'features': None, 'vcpu_avail': None, 'memory': 256, 'device':
[('vbd', ['vbd', ['uname', 'file:/home/xen/xendomain2'], ['dev',
'sda1'], ['mode', 'w']])], 'bootloader': None, 'cpu': None, 'maxmem':
None}
[2006-05-25 10:10:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:1169)
XendDomainInfo.construct: None 0
[2006-05-25 10:10:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:1201)
XendDomainInfo.initDomain: 33 1.0
[2006-05-25 10:10:47 xend] DEBUG (balloon:126) Balloon: free 1252;
need 257; done.
[2006-05-25 10:10:47 xend] INFO (image:133) buildDomain os=linux dom=33 vcpus=1
[2006-05-25 10:10:47 xend] DEBUG (image:171) dom            = 33
[2006-05-25 10:10:47 xend] DEBUG (image:172) image          =
/boot/vmlinuz-2.6.16-1.2122_FC5xenU
[2006-05-25 10:10:47 xend] DEBUG (image:173) store_evtchn   = 1
[2006-05-25 10:10:47 xend] DEBUG (image:174) console_evtchn = 2
[2006-05-25 10:10:47 xend] DEBUG (image:175) cmdline        =
root=/dev/sda1 ro selinux=0 3
[2006-05-25 10:10:47 xend] DEBUG (image:176) ramdisk        =
[2006-05-25 10:10:47 xend] DEBUG (image:177) vcpus          = 1
[2006-05-25 10:10:47 xend] DEBUG (image:178) features       =
[2006-05-25 10:10:47 xend] DEBUG (DevController:103) DevController:
writing {'virtual-device': '2049', 'backend-id': '0', 'state': '1',
'backend': '/local/domain/0/backend/vbd/33/2049'} to
/local/domain/33/device/vbd/2049.
[2006-05-25 10:10:47 xend] DEBUG (DevController:105) DevController:
writing {'domain': 'xendomain2', 'frontend':
'/local/domain/33/device/vbd/2049', 'dev': 'sda1', 'state': '1',
'params': '/home/xen/xendomain2', 'mode': 'w', 'frontend-id': '33',
'type': 'file'} to /local/domain/0/backend/vbd/33/2049.
[2006-05-25 10:10:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:673)
Storing VM details: {'ssidref': '0', 'uuid':
'714aa89f-5039-d77f-f1a7-62978ab41ee8', 'on_reboot': 'restart',
'start_time': '1148577047.2', 'on_poweroff': 'destroy', 'name':
'xendomain2', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '256',
'on_crash': 'restart', 'image': "(linux (kernel
/boot/vmlinuz-2.6.16-1.2122_FC5xenU) (root /dev/sda1) (args 'ro
selinux=0 3'))", 'maxmem': '256'}
[2006-05-25 10:10:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:698)
Storing domain details: {'console/ring-ref': '370492', 'console/port':
'2', 'name': 'xendomain2', 'console/limit': '1048576', 'vm':
'/vm/714aa89f-5039-d77f-f1a7-62978ab41ee8', 'domid': '33',
'cpu/0/availability': 'online', 'memory/target': '262144',
'store/ring-ref': '370493', 'store/port': '1'}
[2006-05-25 10:10:47 xend.XendDomainInfo] DEBUG (XendDomainInfo:882)
XendDomainInfo.handleShutdownWatch
[2006-05-25 10:10:47 xend] DEBUG (DevController:132) Waiting for devices vif.
[2006-05-25 10:10:47 xend] DEBUG (DevController:132) Waiting for devices usb.
[2006-05-25 10:10:47 xend] DEBUG (DevController:132) Waiting for devices vbd.
[2006-05-25 10:10:47 xend] DEBUG (DevController:138) Waiting for 2049.
[2006-05-25 10:10:47 xend] DEBUG (DevController:403)
hotplugStatusCallback
/local/domain/0/backend/vbd/33/2049/hotplug-status.
[2006-05-25 10:10:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:1343)
XendDomainInfo.destroy: domid=33
[2006-05-25 10:10:57 xend.XendDomainInfo] DEBUG (XendDomainInfo:1351)
XendDomainInfo.destroyDomain(33)

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