[Xen-users] ISSUE EXPORTING VM FROM XEN 3.2.1 to XCP 0.5 WITH XVA.PY

[Jorge Constán <jorqejcv@xxxxxxxxx>]

Hello everyone.

I have the following problem that could help would appreciate.


1) Environment:

HOST 1: xen-hypervisor-3.2-1-amd64 with all VM in LVM disk.

HOST 2: XCP 0.5


2) The VM that I wish migrate is a domU in XEN and is debian lenny over LVM:

...................................................................................................
# Configuration file for the Xen instance asterisk.domainxen.local, created
# by xen-tools 3.9 on Wed Nov 11 11:11:34 2009.

#

#
#  Kernel + memory size
#
kernel      = '/boot/vmlinuz-2.6.26-1-xen-amd64'
ramdisk     = '/boot/initrd.img-2.6.26-1-xen-amd64'
memory      = '512'

#
#  Disk device(s).

#
root        = '/dev/xvda2 ro'
disk        = [
                  'phy:/dev/server/asterisk.domainxen.local-swap,xvda1,w',
                  'phy:/dev/server/asterisk.domainxen.local-disk,xvda2,w',

              ]

........................................................................................................

As the disk was "xvda" I not modified anything (as says README xva.py script).


3) From dom0 in XEN host:

server:# lvscan 

  ACTIVE            '/dev/server/asterisk.domainxen.local-swap' [512,00 MB] inherit
  ACTIVE            '/dev/server/asterisk.domainxen.local-disk' [5,00 GB] inherit


4) The steps I did: 


A) Shutdown VM asterisk.domain.local in XEN:
B) Convert VM LVM (asterisk.domainxen.local-disk) to a IMG so that:

server:t# dd if=/dev/server/asterisk.domainxenlocal-disk bs=64K | gzip -c > /mnt/unidad_usb/sat/disco_imagen_asterisk.img.gz

81920+0 records in
81920+0 records out
5368709120 bytes (5,4 GB) copied, 180,349 s, 29,8 MB/s

C) I Copied  img file to my ubuntu karmic desktop with python 2.6.4 and run ""xva.py" script:


jorge@ubus1:~/vm_xen_img$ ./xva.py --is-pv --disk disco_imagen_asterisk.img --file=asterik.xva
VM Details:
Name: Unnamed
Type: Paravirtualised
VCPUS: 1
Memory(bytes): 268435456
ACPI: true
APIC: true

PAE: true
NX: false
Viridian: true
Disk xvda(Bootable): disco_imagen_asterisk.img
Generating XVA file asterik.xva

Processing disk disco_imagen_asterisk.img(5368709120 bytes)
[ ########################################################################### ] 100% 

It seemed that all was corect


5) When I imported from XCP 0.5 CLI appeared the following error:

Error: ['WARNING: /dev/xvda is not a disk image', 'Traceback (most recent call last):', '  File "/usr/bin/pygrub", line 746, in ?', '    rai



What am I doing wrong? Any suggestions?

Thanks a lot.

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