On Sat, 02 Apr 2011 08:03:11 -0700 Clint Byrum <[email protected]> wrote:
> Excerpts from Michael Zoet's message of Sat Apr 02 01:20:36 -0700 > 2011: > > > > -----BEGIN PGP SIGNED MESSAGE----- > > Hash: SHA1 > > > > Am 02.04.2011 02:05, schrieb Raphaël Pinson: > > > On Sat, Apr 2, 2011 at 1:51 AM, Clint Byrum <[email protected]> > > > wrote: > > >> Excerpts from Chuck Short's message of Wed Mar 30 07:27:50 -0700 > > >> 2011: > > >> > > >> Just playing devil's advocate here. > > >> > > >> Other than people already having familiarity with Xen, what is a > > >> compelling reason to support it in favor of, or in addition to, > > >> KVM? > > > > > > > > > Familiarity is a good reason I think, but also industry > > > standards, and hardware considerations. I think a lot of big > > > companies expect major distributions such as Ubuntu to provide a > > > proper support for such a standard as Xen. I know it came as a > > > disappointment for us that using Lucid as a (production) Xen dom0 > > > was nearly impossible. Also, afair, KVM requires hardware > > > support. Most recent machines provide it, but it's not rare to > > > find servers that are too old to use it, and then you'd rather > > > use Xen for servers than VMWare... > > > > > > > I agree with that! Really big companies choose the things they know. > > And if they have to switch the distro they do it. > > > > Noted. It sounds like Xen has a lot of inertia. > > > Another advantage for Xen: it is more mature and easier to setup (at > > least for me because I have only one configuration file I can change > > with vim). Much more documentation around that works. You have much > > more network options. And you can easily assign a hardware NIC to a > > VM with Xen. With KVM this does not work on every hardware... (Now > > I have 2 15.000,- ? servers where I can not do the things with KVM > > I could easily do with Xen. This was a pitty experience...) > > > > I feel like a broken record, but could you provide us with some facts > to back up these claims? Bug reports, manual pages, etc. > > > I feel like there is a lot of anecdotal evidence, but we shouldn't > make our decisions just because somebody says KVM can't do this or > Xen can do that. > http://iopscience.iop.org/1742-6596/.../1742-6596_219_4_042005.pdf Again Im not saying we should drop KVM in favor of XEN. if it something our users want then. We should at least have a better solution in Ubuntu than what we have now. chuck -- ubuntu-server mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-server More info: https://wiki.ubuntu.com/ServerTeam
