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Re: [Xen-devel] [PATCH] VM-Tool: C-based Xen management tools

Nivedita Singhvi wrote:

The tools are still very rough. This version is pretty much a proof-of-concept. It should not be used in a production environment. In fact, you shouldn't use them with any domains that are important to you. While I've never seen any data corruption caused by the tools there's just not been enough testing yet.

Can you tell us on what you tested, and which configurations, so far?

Sure, I've tested on Fedora Core 3 and on Gentoo both running various copies of xen-unstable (ranging from a few weeks ago to a day ago). There are a number of others (Mike, Woody, Dan) that have tested on other platforms.

By tested, I mean was able to create and destroy domains with various arrangements of block devices and network devices (0, 1, 2, etc, etc.). I've tested using a custom busybox based ramdisk and ttylinux as DomU. Other DomU configuration should also work (although haven't been tested).

Are you going to be doing the USB and PCI stuff as well?
Will you need any help on that?

Yes, the goal was to minimize the amount of features to the least amount required before release. We're very interested in hearing feedback on what the tools should look like.

USB and PCI support isn't that hard. Doing in a way that people feel is intuitive is another matter. Feed-back on what sort of interfaces these tools should have is extremely useful.

So there will be no effort to backport, correct?

That depends on demand. The tools could be modified to open the controls channels directly instead of going through xcs, but I'd rather encourage an xcs based world where Xend and vm-tools can live together. Of course, if someone was willing to backport the old Xend to xcs... :-)

Anthony Liguori

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