Date: Wed, 2 Mar 2011 12:23:57 +0000 From: Dr Josef Karthauser <joe@tao.org.uk> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-fs@freebsd.org Subject: Re: ZFS on a single disk? Message-ID: <79FD1098-FB13-4F1E-8440-32EF87EC718D@tao.org.uk> In-Reply-To: <20110302121612.GA61020@icarus.home.lan> References: <0E00DAFC-C39F-47DC-B9AF-16419C20997F@tao.org.uk> <615F1346-E830-42E2-B229-4181B8BC56BD@exonetric.com> <53FA69D2-2EF0-4CBF-985B-6E710F15FE02@tao.org.uk> <20110302001650.GB49147@icarus.home.lan> <27423168-85BE-41B1-8E14-94F01310EFE4@tao.org.uk> <20110302121612.GA61020@icarus.home.lan>
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On 2 Mar 2011, at 12:16, Jeremy Chadwick wrote: >> >> I guess I should have been a bit clearer, I mean without any external >> devices backing them. Seeing as this is to be running on a VPS/Xen at >> a hosting environment I'm not able to add any additional devices. I'm >> not memory starved however. Is it madness to use a memory disk? (The >> instance in question will have 6gb of ram total to play with.). > > Again: don't disable the ZIL, and adjust the ARC to whatever size you > want using a combo of vm.kmem_size and vfs.zfs.arc_max. Make use of the > RAM you have available to you. :-) Good good :). Thanks, Joe
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