Date: Tue, 5 Mar 2013 14:18:30 -0800 From: Freddie Cash <fjwcash@gmail.com> To: Jeremy Chadwick <jdc@koitsu.org> Cc: FreeBSD Stable <freebsd-stable@freebsd.org>, Andriy Gapon <avg@freebsd.org> Subject: Re: ZFS "stalls" -- and maybe we should be talking about defaults? Message-ID: <CAOjFWZ7MBU6eqNXgRtv0YryQo7S-%2Bgj9f8FQURncaKnf-Pi2Pw@mail.gmail.com> In-Reply-To: <20130305220936.GA54718@icarus.home.lan> References: <513524B2.6020600@denninger.net> <89680320E0FA4C0A99D522EA2037CE6E@multiplay.co.uk> <20130305050539.GA52821@anubis.morrow.me.uk> <20130305053249.GA38107@icarus.home.lan> <5135D275.3050500@FreeBSD.org> <20130305220936.GA54718@icarus.home.lan>
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On Tue, Mar 5, 2013 at 2:09 PM, Jeremy Chadwick <jdc@koitsu.org> wrote: > On Tue, Mar 05, 2013 at 01:09:41PM +0200, Andriy Gapon wrote: > > > > - Disks are GPT and are *partitioned, and ZFS refers to the partitions > > > not the raw disk -- this matters (honest, it really does; the ZFS > > > code handles things differently with raw disks) > > > > Not on FreeBSD as far I can see. > > My statement comes from here (first line in particular): > > > http://lists.freebsd.org/pipermail/freebsd-questions/2013-January/248697.html > > If this is wrong/false, then this furthers my point about kernel folks > who are in-the-know needing to chime in and help stop the > misinformation. The rest of us are just end-users, often misinformed. > This has been false from the very first import of ZFS into FreeBSD 7-STABLE. Pawel even mentions that GEOM allows the use of the cache on partitions with ZFS somewhere around that time frame. Considering he did the initial import of ZFS into FreeBSD, I don't think you can find a more canonical answer. :) This is one of the biggest differences between the Solaris-based ZFS and the FreeBSD-based ZFS. It's too bad this mis-information has basically become a meme. :( -- Freddie Cash fjwcash@gmail.com
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