Am Mon, 21 May 2012 13:47:39 -0500 schrieb Jamie <jamie_at_geniegate.com>: > On Mon, May 21, 2012 at 10:57:33AM +0200, Dag-Erling Sm??rgrav wrote: > > No, they're not. VMWare, RHEV (KVM-based) etc. provide features > > such as seamless migration of virtual machines from one physical > > machine to another, automatic restart on a different physical > > server if one fails etc. that simply aren't possible with jails; > > and there are certain things you still can't run reliably / safely > > in jails - anything that relies on SysV IPC, for instance, such as > > PostgreSQL. > > True about the SysV, and I mostly agree about automatic failover. > > But I think the FreeBSD jail system is still the better model for how > I see these things being used (certainly the better *potential*). But > yea, not "quite" cloud. > > When coupled with something like rsync, they *almost* do the job. And > for a lot of the current "VPS" applications, they do the job. Yeah, but the VPS-systems (OpenVZ, Virtuozzo) do the job, too. And for those who want the VPS-model without actually running Linux, there's Joyent's Cloud (public/private) - that can run KVM, too. AFAIK, KVM being slow means you don't have enough I/O.Received on Mon May 21 2012 - 17:55:02 UTC
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