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Re: [Xen-users] Migration only works one way (seemingly depending on mac

To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: Re: [Xen-users] Migration only works one way (seemingly depending on machine's boot time)
From: Mark Williamson <mark.williamson@xxxxxxxxxxxx>
Date: Tue, 13 Mar 2007 16:57:42 +0000
Cc: Dominik Klein <dk@xxxxxxxxxxxxxxxx>
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Do the machines have different CPU types?

Cheers,
Mark

On Tuesday 13 March 2007 09:50, Dominik Klein wrote:
> Hi
>
> I have two completely identical machines running opensuse 10.2. domU
> (also opensuse 10.2) is running on Root NFS.
>
> When trying to migrate this domU from machine 1 to machine 2, it works
> perfectly. When trying to migrate back to machine 1, I can see the domU
> in "xm list" on machine 1, but cannot connect to it with "xm console"
> nor ssh.
> The network interface is created, but says "NO-CARRIER" and xentop shows
> 100% CPU usage for this domU.
>
> When trying to migrate this domU from machine 2 to machine 1 without
> having migrated it earlier, this fails in the same way. Migration also
> fails using xm save, copying the file manually and restoring the file on
> the other machine.
>
> Now the (at least to me) really strange thing: After a reboot of machine
> 2, the whole procedure is the other way around. I am able to migrate
> from machine 2 to machine 1, but not from machine 1 to machine 2 -
> independant of wether the vm has been migrated before or not.
>
> This is reproducable. The machine with less uptime can migrate virtual
> machines to the other machine. The other way never works.
>
> I compared /etc using diff -r and it showed no difference except for
> hostname, ip addresses and stuff you'd expect to be different.
>
> Any ideas?
>
> Regards
> Dominik
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users

-- 
Dave: Just a question. What use is a unicyle with no seat?  And no pedals!
Mark: To answer a question with a question: What use is a skateboard?
Dave: Skateboards have wheels.
Mark: My wheel has a wheel!

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