<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html; charset=ISO-8859-1" http-equiv="Content-Type"> </head> <body bgcolor="#ffffff" text="#000000"> On 06/12/2012 12:48 PM, Patrick Wilbur wrote: <blockquote cite="mid:CABFkyn8SN8-0PP5XMwpW8aV4JrbmfWxxCEARnRe3wJX+iJVVTw@mail.gmail.com" type="cite"> There now is KVM live migration with storage migration, which makes it possible to live migrate without shared storage. Is that what you're trying to do? If so, I might be able to help (I recently got that </blockquote> You're talking about live block/storage migration, right? if so, shared storage isn't necessary, please refer to the following link: <a class="moz-txt-link-freetext" href="http://wiki.qemu.org/Features/LiveBlockMigration">http://wiki.qemu.org/Features/LiveBlockMigration</a> But I'm not sure it has been supported by qemu-kvm rpm on the RHEL, you probably require qemu-kvm-rhev installation. In addition, could you show your qemu-kvm or qemu-kvm-rhev version and relevant libvirtd.log? thanks. Alex <blockquote cite="mid:CABFkyn8SN8-0PP5XMwpW8aV4JrbmfWxxCEARnRe3wJX+iJVVTw@mail.gmail.com" type="cite"> working, after having to work out a few tricky preparations). Pat Wilbur My website: <a moz-do-not-send="true" href="http://pdub.net">http://pdub.net</a> Our book: <a moz-do-not-send="true" href="http://runningxen.com">http://runningxen.com</a> <div class="gmail_quote">On Jun 11, 2012 11:53 PM, "Alex Jia" <<a moz-do-not-send="true" href="mailto:ajia@redhat.com">ajia@redhat.com</a>> wrote: <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;"> <div bgcolor="#ffffff" text="#000000"> On 06/08/2012 09:13 PM, Xing.x.Gao wrote: <blockquote type="cite"> <pre>i am sorry,node1 is host1 ,it's my input error, i don't use share storage ,and the debug log level outputs a lot in the /var/log/libvirt/libvirtd.log on <a moz-do-not-send="true" href="http://host1.example.com" target="_blank">host1.example.com</a> , the win7.img is a qcow2 img file ,and i copy it from <a moz-do-not-send="true" href="http://server.example.com" target="_blank">server.example.com</a>(source) to <a moz-do-not-send="true" href="http://node1.example.com" target="_blank">node1.example.com</a>(dest) </pre> </blockquote> It's a wrong method to copy guest image to target host, you require a NFS to share guest image at least, please refer to the following link: Shared storage example: NFS for a simple migration <a moz-do-not-send="true" href="http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/shared-storage-nfs-migration.html" target="_blank">http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/shared-storage-nfs-migration.html</a> Live KVM migration with virsh <a moz-do-not-send="true" href="http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/sect-Virtualization-KVM_live_migration-Live_KVM_migration_with_virsh.html" target="_blank">http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/sect-Virtualization-KVM_live_migration-Live_KVM_migration_with_virsh.html</a> Please see "Live migration requirements" section: <a moz-do-not-send="true" href="http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/chap-Virtualization_Administration_Guide-KVM_live_migration.html#item-Virtualization-Live_migration_requirements-Migration_requirements" target="_blank">http://docs.redhat.com/docs/en-US/Red_Hat_Enterprise_Linux/6/html/Virtualization_Administration_Guide/chap-Virtualization_Administration_Guide-KVM_live_migration.html#item-Virtualization-Live_migration_requirements-Migration_requirements</a> Good Luck! Alex </div> _______________________________________________ libvirt-users mailing list <a moz-do-not-send="true" href="mailto:libvirt-users@redhat.com">libvirt-users@redhat.com</a> <a moz-do-not-send="true" href="https://www.redhat.com/mailman/listinfo/libvirt-users" target="_blank">https://www.redhat.com/mailman/listinfo/libvirt-users</a> </blockquote> </div> </blockquote> </body> </html>