RE: [Xen-users] can I clone a runiung domU?

[Nathan Eisenberg <nathan@xxxxxxxxxxxxxxxx>]

Don't forget to specify block size (bs=x) in your DD command.  I've had good 
luck with 2-4M block sizes; by default, I think the BS=256k.  I've seen it cut 
copy time by 75%

~Nathan 

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx 
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Rudi Ahlers
Sent: Thursday, July 31, 2008 11:23 PM
To: xen-users
Subject: [Xen-users] can I clone a runiung domU?

Hi all

I'd like to know if it's possible to clone a running domU. I need to 
make an exact copy of an existing CentOS xen domU, but without taking it 
offline. I'm using LVM, so I don't know if it will help.

I have tried doing it with dd, after shutting down the domU, but it 
takes ages. The LVM image is 30GB. I can't really afford to have the 
running one off line that long, so if possible I'd like todo it while 
it's running.

-- 

Kind Regards
Rudi Ahlers

Check out my technical blog, http://blog.softdux.com for Linux or other 
technical stuff


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