Note, the -x argument will keep the copy to a single partition On Thu, 2010-06-24 at 14:12 -0300, Lucas Timm LH wrote: > Create a new virtual machine on your storage. After this, boot some > Linux distribution in your new virtual machine (I like SysrescueCD). > Enable your ssh server, change the root password and so and back to > your old virtual server and type: > > > # dd if=/dev/sda | ssh root@(new_vm) "(dd of=/dev/sda)" > > > Type the root password, shutdown the old VM and reboot your new vm. > > > (PS: You don't need to shutdown the old vm to this proccess). > > > I do this everytime, I don't like copy the HD files using cp, tar or > rsync because it try to copy the /proc, /dev and a lot virtual > devices. Using dd it copies just the HD bits, the boot sector, etc. > > 2010/6/24 C.J. Adams-Collier <cjac at colliertech.org> > I often use rsync -a for remote systems or cp -a for local > systems. > I've also used dd. You can have dd output to stdout, pipe it > to ssh and > have ssh output to dd on the other end. > > You can also connect to a SAN device on the source and dd from > the local > block device to the SAN device. > > Lots of ways to do it ;) > > Cheers, > > C.J. > > > On Thu, 2010-06-24 at 10:52 -0400, Kelvin Edmison wrote: > > > > > > On 24/06/10 7:17 AM, "Poh Yong Hwang" <yongsan at 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 > > > > _______________________________________________ > > CentOS-virt mailing list > > CentOS-virt at centos.org > > http://lists.centos.org/mailman/listinfo/centos-virt > > > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > http://lists.centos.org/mailman/listinfo/centos-virt > > > > > -- > Lucas Timm, Goiânia/GO. > http://timmerman.wordpress.com > > (62) 9157-0789 > -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 198 bytes Desc: This is a digitally signed message part URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20100624/0cd67c0e/attachment-0003.sig>