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Re: [Xen-devel] Re: [Xen-users] XCP/XenServer Migration utility now ava

To: admin@xxxxxxxxxxx
Subject: Re: [Xen-devel] Re: [Xen-users] XCP/XenServer Migration utility now available at xen.org
From: Martinx - ジェームズ <thiagocmartinsc@xxxxxxxxx>
Date: Mon, 15 Mar 2010 15:31:57 -0300
Cc: David Markey <david.markey@xxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "xen-users@xxxxxxxxxxxxxxxxxxx" <xen-users@xxxxxxxxxxxxxxxxxxx>
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 The first one is for my domU hosted at my open source Xen (powered by Debian), the second fstab, is the new one, used for my guests hosted at my XenServers.


2010/3/15 David Markey <admin@xxxxxxxxxxx>
I'm confused,

You supply 2 fstabs there, one using LVM, one without. Which one is it?

2010/3/15 Martinx - ジェームズ <thiagocmartinsc@xxxxxxxxx>

Hi David!

 My Xen domU in my open source dom0 (Debian) have this configuration file:

bootloader  = '/usr/bin/pygrub'
extra       = 'console=hvc0'
memory      = '64'
disk        = [
name        = 'guest01'
vif         = [ 'mac=00:01:64:4b:0d:2e, vifname=guest01-eth0, bridge=eth0' ]
>on_reboot   = 'restart'
on_crash    = 'restart'

 My guest01 /etc/fstab file:

proc            /proc           proc    defaults        0       0
/dev/xvda1      /               ext3    relatime,errors=remount-ro 0       1
/dev/xvda2      none            swap    sw              0       0

 BUT, this is for open source Xen domU, within the XenServer, the guest01 should be:

proc            /proc           proc    defaults        0       0
/dev/xvda1      /boot           ext2    defaults        0       2
/dev/mapper/vdwuaf1-root /               ext3    errors=remount-ro 0       1
/dev/mapper/vdwuaf1-swap_1 none            swap    sw              0       0

 And the partition table of the guest01:

guest01:~# fdisk -lu /dev/xvda

Disk /dev/xvda: 8589 MB, 8589934592 bytes
255 heads, 63 sectors/track, 1044 cylinders, total 16777216 sectors
Units = sectors of 1 * 512 = 512 bytes
Disk identifier: 0x0009c181

    Device Boot      Start         End      Blocks   Id  System
/dev/xvda1   *          63      498014      248976   83  Linux
/dev/xvda2          498015    16771859     8136922+  8e  Linux LVM

 You tool can recreate the partition scheme? Or it just copy the domU as is?
 I have many others domU like this to copy...


2010/3/15 David Markey <admin@xxxxxxxxxxx>

If anyone has feature requests, direct them here.

The next feature i'll be working on is supporting kernels loaded from the Dom0. The kernel images will have to be copied to the XenServer/XCP Dom0.

2010/3/12 Martinx - ジェームズ <thiagocmartinsc@xxxxxxxxx>
Really COOL!!! I'm doing all this work manually until now!

On 12 March 2010 15:33, David Markey <david.markey@xxxxxxxxxx> wrote:
Hi all,

A new python based migration utility for migrating your xend virtual machines to XCP  is now available at:


It can generate XVAs from your xend based HVM and paravirtualised virtual machines.
It can also steam your VM directly to a XenServer/XCP host over HTTP or HTTPS.

Please read the README for pointers and guidelines on how to prepare your VMs for migration to XCP. Most PV based virtual machines will need some preparation work.

Thanks to Stephen Spector and Dave Scott!



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