On 09/07/2011 09:57 AM, Always Learning wrote: > > On Wed, 2011-09-07 at 09:51 -0400, Digimer wrote: > >> Red Hat is a business, and made a simple business decision. Maintaining >> Xen support would have meant maintaining a very large set of patches. >> They made the decision that the effort (and money) needed to maintain >> Xen outside of the mainline kernel was not worth it. > > Perhaps a silly question, but why maintain patches ? Why not compile a > new version and discard all the patches ? Patches are a messy manner to > maintain programmes. That's the form they come from the community in. You'd have to ask the devs for details. >> KVM was not chosen over Xen so much as KVM was a much less expensive >> hypervisor to support. As for it being mature or not; Well, put on your >> kevlar pants because that is a matter of opinion. > > Which is better on C5 and C6 ? For what? That is a loaded question. For me, I use C5 + Xen when I am backing *nix VMs and c6 + KVM when backing MS VMs as the PV drivers for windws are less than ideal. >> As a follow-up, Xen dom0 support began getting into the mainline kernel >> at 2.6.33 (EL6 is based on 2.6.32). It is very likely that we will see >> Xen dom0 support returned in the next major release. > > In about 4 or 5 years ??? :-) They tend to release a new x-stream release every three years. EL6 is a year old, so I'd bet in two more years we will see EL7 and that both KVM and Xen will be supported. -- Digimer E-Mail: digimer at alteeve.com Freenode handle: digimer Papers and Projects: http://alteeve.com Node Assassin: http://nodeassassin.org "At what point did we forget that the Space Shuttle was, essentially, a program that strapped human beings to an explosion and tried to stab through the sky with fire and math?"