Re: [Xen-users] Re: Running 32bit domain 0 on 64 bit hypervisor

[Joshua West <jwest@xxxxxxxxxxxx>]

The version of Xen you're running is too old. You'll need to upgrade to
a later version. I had this problem with Xen 3.1.x. I've recently
upgraded my infrastructure to Xen 3.4.1, running 64-bit Hypervisor +
64-bit dom0 + mixed 32-bit/64-bit domU's, with migration/save/restore
working perfectly.

The problem you're running into is with the userspace utilities xc_save
and xc_restore (fixed in later versions of Xen). If you run a 64-bit
Hypervisor with 32-bit dom0, then you'll only be able to
save/restore/migrate 32-bit domU's.... Trying this on 64-bit domU's will
fail in the same way you're experiencing now with your 32-bit domU's.

Hope this helps.

서지혜 wrote:
> Actually Citrix Xen runs in that way. I tried 64bit dom0 and 64bit
> hypervior, but 32bit guestOS migration,pause,save failed.
> To be specific, I want to run and migrate all 32bit and 64bit guest OSs.
>
>
> 2009/10/27 서지혜 <bonayaing@xxxxxxxxx <mailto:bonayaing@xxxxxxxxx>>
>
>     I heard that only way to run(including migration) both 32bit and
>     64bit guestOSs is to install 32bit domain 0 on 64bit hypervisor.
>     Could anyone please answer how I can do this on fedora 8?
>
>
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>
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-- 
Joshua West
Senior Systems Engineer
Brandeis University
http://www.brandeis.edu


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