On Tue, Mar 20, 2007 at 08:05:16PM -0500, taoj2@xxxxxxxxxx wrote: > Hi, Dear All > > I was trying to do the live VM migration with Xen. There are two hosts, > host1 and host2. Both hosts has Fedora Core 6 as the host operating > system. And I created a XEN guest, XEN1, at host1. Now I want to migrate > XEN1 from host1 to host2 using the live migration feature of XEN. > > First, I edited /etc/xen/xend-config.sxp on host1 and hosts to: > #(xend-unix-server yes) > (xend-relocation-server yes) > (xend-relocation-port 8002) > (xend-relocation-address '') > (xend-relocation-hosts-allow '') You should list the hosts names there instead of an empty sting > #(xend-relocation-hosts-allow '^localhost$ ^localhost\\.localdomain$') > > Then, I restart xend on host1 and host2: > service xend restart > > Then, I exported the /var/lib/xen/images on host1 via NFS and mount this > directory to host2. And the mount is successful. > > After that I start XEN guest on host1: > xm create xen1 > > However, I found that the Virtual Machine Manager of FC6 didn't work. It > said: > Unable to open to a connection to the Xen hypervisor/daemon. > Verify that: > -A Xen host kernel was booted > -The Xen service has been started. > > But when I use "xm list", Domain-0 is running, and xen1 is blocked. > > Finally, I run "xm migrate -l xen1 host2", it failed, the error message is: > Error: /usr/lib64/xen/bin/xc_save 4 1 0 0 1 failed. if the xen1 domain creation failed, the fact that migration fails is not suprizing, maybe it was successful, but you should check the errors from /var/log/xen/xend.log . Also saving and migrations do not work for fully virtualized guests, only for paravirt ones which could explain the xm migrate error. Daniel -- Red Hat Virtualization group http://redhat.com/virtualization/ Daniel Veillard | virtualization library http://libvirt.org/ veillard@xxxxxxxxxx | libxml GNOME XML XSLT toolkit http://xmlsoft.org/ http://veillard.com/ | Rpmfind RPM search engine http://rpmfind.net/ -- Fedora-xen mailing list Fedora-xen@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-xen
