Opensolaris et Sun xVM virtualbox
By AkH, 3 years, 9 months ago, modified May 6, 2008
Deux énormes nouvelles, tout d'abord Opensolaris vient de releaser sa première version supporté 2008.5, x86 uniquement et orienté desktop pour la rendre sans doute très accessible.
ZFS, Dtrace, le nouveau système de package ala debian ...
Avec la force de frappe de Sun, on peut imaginer une adoption rapide de la communauté et une large contribution aux packages, à voir ce que cela peut donner en serveur.
Autre info important, suite au rachat de virtualbox, Sun livre gratuitement Sun xVM Virtualbox un vmware like multiplateforme (linux, windows, mac, solaris) et opensource, ce qui en fait un des seuls produits de virtualisation gratuit sur Mac.
Cela fonctionne plutôt bien même si cela ne supporte pas encore les instructions intel VT-x.



Comments
About the VT-x support of virtualbox :
http://www.virtualbox.org/wiki/Virt...
"Since, however, nearly all operating systems in use today only make use of ring-0 and ring-3, and since a lot of operations in non-root mode are very expensive, VirtualBox does not use VT-x exactly as intended by Intel. Instead, we make partial use of it -- only where it makes sense and where it helps us to improve performance. So, as said above, our hypervisor, on non-VT-x machines, lives in ring 0 of the guest context, below the guest ring-0 code that is actually run in ring 1. When VT-x is enabled, the hypervisor can safely live in ring 0 host context and gets activated automatically by use of the new VM exits."
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