If you do it often, you might consider listening for ssh connections on
a separate port and using tc to keep things from getting out of hand:
http://linux.die.net/man/8/tc
Cheers,
C.J.
On Mon, 2010-06-28 at 09:17 -0700, Christopher Hunt wrote:
+1 for dd + nc over ssh if necessary.
This process can and probably will saturate your ethernet interface, so
depending upon the amount of traffic the box pushes on the public
interface the size of the partition and other factors, sometimes i add a
crossover cable between unused interfaces on the 2 boxes and run the
process over that interface, so it doesn't impact the running vms.
Cheers
-Chris
On 6/24/2010 9:00 AM, centos-virt-requ...@centos.org wrote:
Message: 3
Date: Thu, 24 Jun 2010 10:52:57 -0400
From: Kelvin Edmisonkel...@kindsight.net
Subject: Re: [CentOS-virt] (KVM) How can I migrate VM in a non shared
storage environment?
To: Discussion about the virtualization on CentOS
centos-virt@centos.org
Message-ID:c848e989.30d95%kel...@kindsight.net
Content-Type: text/plain; charset=US-ASCII
On 24/06/10 7:17 AM, Poh Yong Hwangyong...@gmail.com wrote:
I have a server running CentOS 5.5 with KVM capabilities. I need to migrate
all the VMs to another server with the exact same hardware specs. The
problem
is it is running on individual harddisks, not shared storage. What is the
best
way to migrate to minimise downtime?
I've had good success using dd and nc (netcat) to copy the contents of a
disk or disk image from one machine to another, and verifying the copy was
successful with a md5sum or sha1sum of both the original and copied disk.
Kelvin
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