Date: Thu, 20 Dec 2007 14:57:41 +0200 From: Nikos Vassiliadis <nvass@teledomenet.gr> To: freebsd-questions@freebsd.org, "Marc G. Fournier" <freebsd@hub.org> Cc: Norberto Meijome <freebsd@meijome.net> Subject: Re: OSS Virtualization options ... Message-ID: <200712201457.42052.nvass@teledomenet.gr> In-Reply-To: <20071220215436.0c596cb5@meijome.net> References: <74F0F91EA046A1B9EAB79AF7@ganymede.hub.org> <20071220184322.5ad659d4@meijome.net> <20071220215436.0c596cb5@meijome.net>
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On Thursday 20 December 2007 12:54:36 Norberto Meijome wrote: > On Thu, 20 Dec 2007 18:43:22 +1100 > > Norberto Meijome <freebsd@meijome.net> wrote: > > wrt to QEMU,i don't think is fast enough to make it worth it - i think > > you'd gain more by moving a bit to the side of freebsd for the host > > and using other options (linux+ Vmware + freebsd as guest) > > I meant this in the context of using QEMU to run multiple simultaneous > VMs for server virtualisation. I think it works OK(ish) for , say, > running Windows on your bsd box....but i don't think you can compare it > to something like Xen or VMWare or MS Virtual Server > > probably a bit behind Qemu in speed would be BOCHS, though I think it is > a bit more flexible wrt to the machines emulated. Hi Mark and Norberto, Mark, what do you need to virtualize and what your requirements are? I think the question about virtualization is far too broad. For example, you mentioned quotas. I think you can bypass storage control problems, using seperate devices for each client filesystem. Just create n vnode md(4) devices for your n jails. This has another advantage besides partitioning storage. Since UFS supports sparse files, only used blocks will occupy storage space, thus you don't have to preallocate all storage. HTH a bit, Nikos
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