On 07/23/2010 01:45 PM, Gianluca Cecchi wrote: > On Thu, Jul 22, 2010 at 11:54 AM, Kashyap Chamarthy <[email protected] > <mailto:[email protected]>> wrote: > > > FWIW, the below worked for me while trying to migrate vms from one > host to another(in my case,both RHEL5.5). I used 'virsh' (from libvirt) > > 1) 'virsh dumpxml <domain (or) id>'--this will dump the guest > machine info. into XML. > 2) copy your qcow2 image disk from host1 to host2. > 3) 'virsh define <xml file>' for the dumped xml files from step 1) > > Now you should be good to start/run the above guest on your host2 > (running kvm..) > > /kashyap > > > yes, the vm was a CentOS 5.5 os. > It worked like a charm.
glad that it worked.. /kashyap > I made a dump from a previous rh el 5 vm already existent on the rh el > 5.5 host, using it as baseline for differences. > And this is diff output between xml dump in FC13 and the modified > version to have it imported by rh el 5.5 > (btw I changed memory size from 1Gb to 2Gb as I passed from my laptop to > an enterprise 16Gb based server...) > > #diff f13out.xml rhel55in.xml > < <name>op</name> > < <memory>2097152</memory> > < <currentMemory>2097152</currentMemory> > --- > > <name>o11p</name> > > <uuid>8030a286-d41c-d692-648a-4d0aad122bdd</uuid> > > <memory>1048576</memory> > > <currentMemory>1048576</currentMemory> > 7c8 > < <type arch='x86_64' machine='pc'>hvm</type> > --- > > <type arch='x86_64' machine='fedora-13'>hvm</type> > 8a10 > > <boot dev='cdrom'/> > 14a17,20 > > <cpu match='exact'> > > <model>core2duo</model> > > <feature policy='force' name='x2apic'/> > > </cpu> > 20c26 > < <emulator>/usr/libexec/qemu-kvm</emulator> > --- > > <emulator>/usr/bin/qemu-kvm</emulator> > 23c29 > < <source file='/VMDATA/o11p.img'/> > --- > > <source file='/var/lib/libvirt/images/c55.img'/> > > > I only had to change then network parameters in vm os. > In virt-manager I also removed the audio card. > I was then also able to apply "yum update" to this new vm and it runs > quite good. > Thanks, > Gianluca _______________________________________________ virt mailing list [email protected] https://admin.fedoraproject.org/mailman/listinfo/virt
