Re: [Xen-users] RE: [Xen-devel] Xen-3.0.3 migration problems

[Nico Kadel-Garcia <nkadel@xxxxxxxxx>]

Adam Seering wrote:
> Hi,
>     I'm having this same problem.  The relocation service is enabled 
> on both machines; neither has a firewall (sure, I care about 
> security...), and there is no firewall between them.
>     For a live migration, do the dom0 kernels and the source/target 
> PC's hardware have to be the same?  I'm migrating from a stock Debian 
> Etch-based Xen AMD64 system on a Pentium D 8xx (no HVM) to a Fedora 
> Core 6 Xen AMD64 system on a Pentium D 9xx, with HVM support enabled.
> Adam
I've duplicated my relocation domain to both Xen Dom0 servers, and am 
waiting to reboot one of them to make sure it gets all the options set 
correctly. (I had to schedule a shutdown anyway.) Unfortunately, it 
seems to fail silently. "xm list" reports a "migrating-DOMAIN" domain on 
the source host, and a "DOMAIN" domain on the other target host, but the 
transfer eventually fails silently and leaves the DOMAIN in question 
dead on the first host, which is really, really bad practice.
I'm working on an ASUS RS120-E3 system, without VT, all 32-bit systems. 
I'm also tyring to play with a RHEL 4.92 beta system, but it's been a 
source of adventures.
> On Dec 28, 2006, at 6:32 AM, Nico Kadel-Garcia wrote:
>
> > Ian Pratt wrote:
> > > > xm migrate --live vcs-dmz02 dmz03.ornl.gov
> > > >
> > > > Error: can't connect: No route to host
> > > >
> > > > Usage: xm migrate <Domain> <Host>
> > >
> > > Have you edited /etc/xen/xend-config.sxp on both hosts to enable the
> > > relocation service?
> > >
> > > Best,
> > > Ian
> > Does it need to be on both hosts? And do there need to be image files 
> > *already* in place on the target host in /var/lib/xen/images/? And 
> > what if you've been using LVM managed disk partitions for your 
> > working Xen images?
> > Unfortunately, I'm finding the documentation for Xen troublesomely poor.

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