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, [email protected] wrote: > > > Message: 3 > > Date: Thu, 24 Jun 2010 10:52:57 -0400 > > From: Kelvin Edmison<[email protected]> > > Subject: Re: [CentOS-virt] (KVM) How can I migrate VM in a non shared > > storage environment? > > To: Discussion about the virtualization on CentOS > > <[email protected]> > > Message-ID:<c848e989.30d95%[email protected]> > > Content-Type: text/plain; charset="US-ASCII" > > > > > > > > > > On 24/06/10 7:17 AM, "Poh Yong Hwang"<[email protected]> 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 > > > > > > > > ------------------------------ > > > > _______________________________________________ > > CentOS-virt mailing list > > [email protected] > > http://lists.centos.org/mailman/listinfo/centos-virt > > > > > > End of CentOS-virt Digest, Vol 34, Issue 13 > > ******************************************* > _______________________________________________ > CentOS-virt mailing list > [email protected] > http://lists.centos.org/mailman/listinfo/centos-virt
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