From: Dan Magenheimer <dan.magenheimer@oracle.com>
To: Sander Eikelenboom <linux@eikelenboom.it>,
Keir Fraser <keir.fraser@eu.citrix.com>
Cc: xen-devel@lists.xensource.com
Subject: RE: is the xen toolstack backwards compatible ?
Date: Tue, 8 Dec 2009 17:00:08 -0800 (PST) [thread overview]
Message-ID: <6cfec281-59bf-42a2-be60-0ccdb3e83fb7@default> (raw)
In-Reply-To: <554576850.20091209012320@eikelenboom.it>
On a separate thread, I've observed that the toolstack
incompatibility seems to appear between c/s 20070 and
20072. I don't think backwards compatibility is
guaranteed but I agree it is desirable when possible.
> -----Original Message-----
> From: Sander Eikelenboom [mailto:linux@eikelenboom.it]
> Sent: Tuesday, December 08, 2009 5:23 PM
> To: Keir Fraser
> Cc: xen-devel@lists.xensource.com
> Subject: [Xen-devel] is the xen toolstack backwards compatible ?
>
>
> Hello Keir,
>
> Perhaps it was coincidence, but if i remember well, booting a
> 3.4.* hypervisor with the toolstack from a newer xen version
> (aka xen-unstable) seemed to work.
> The thing is, default a xen build installs the different
> hypervisor versions beside each other, and you can use them
> as such in your grub config, the same with kernels.
> But the toolstack (xend, xm, xentop etc.) gets overwritten.
> So after trying out a new hypervisor, you have to reinstall
> your old toolstack before booting in a older hypervisor.
>
> So if it was no coincidence but desirable, at the moment xend
> and xentop from unstable don't seem to work on 3.4.2
> hypervisor anymore.
>
> --
> Best regards,
> Sander mailto:linux@eikelenboom.it
>
>
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@lists.xensource.com
> http://lists.xensource.com/xen-devel
>
next prev parent reply other threads:[~2009-12-09 1:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-09 0:23 is the xen toolstack backwards compatible ? Sander Eikelenboom
2009-12-09 1:00 ` Dan Magenheimer [this message]
2009-12-09 6:44 ` Zhang, Xiantao
2009-12-09 7:22 ` Keir Fraser
2009-12-09 10:06 ` Christoph Egger
2009-12-09 11:25 ` Sander Eikelenboom
2009-12-09 11:42 ` Christoph Egger
2009-12-09 15:14 ` Dan Magenheimer
2009-12-09 16:56 ` Christoph Egger
2009-12-09 17:08 ` Dan Magenheimer
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