Date: Mon, 15 Feb 2010 21:12:56 +0300 (MSK) From: Dmitry Morozovsky <marck@rinet.ru> To: Artem Belevich <fbsdlist@src.cx> Cc: Alexander Leidinger <Alexander@leidinger.net>, freebsd-stable@freebsd.org, Jeremy Chadwick <freebsd@jdc.parodius.com> Subject: Re: hardware for home use large storage Message-ID: <alpine.BSF.2.00.1002152109320.7590@woozle.rinet.ru> In-Reply-To: <ed91d4a81002150854w421b054oc81eb88ae767f5b4@mail.gmail.com> References: <cf9b1ee01002150049o43fced71ucb5776a0a1eaf4cf@mail.gmail.com> <20100215090756.GA54764@icarus.home.lan> <20100215105000.101326yj01j0f64g@webmail.leidinger.net> <20100215122744.GA57382@icarus.home.lan> <20100215161105.14071eiflhc9le68@webmail.leidinger.net> <ed91d4a81002150854w421b054oc81eb88ae767f5b4@mail.gmail.com>
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On Mon, 15 Feb 2010, Artem Belevich wrote: AB> It used to be that vm.kmem_size_max needed to be bumped to allow for AB> larger vm.kmem_size. It's no longer needed on amd64. Not sure about AB> i386. AB> AB> vm.kmem_size still needs tuning, though. While vm.kmem_size_max is no AB> longer a limit, there are other checks in place that result in default AB> vm.kmem_size being a bit on the conservative side for ZFS. it seems so at least: on a machine with 8G RAM kmem_size is set to 2G, from which 1.5G is allocated for arc_max. I'll try to increase them to 4G / 3G and test whether machine is stable... -- Sincerely, D.Marck [DM5020, MCK-RIPE, DM3-RIPN] [ FreeBSD committer: marck@FreeBSD.org ] ------------------------------------------------------------------------ *** Dmitry Morozovsky --- D.Marck --- Wild Woozle --- marck@rinet.ru *** ------------------------------------------------------------------------
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