Date: Wed, 10 Aug 2011 08:27:27 +0000 From: Holger Kipp <Holger.Kipp@alogis.com> To: Daniel Kalchev <daniel@digsys.bg> Cc: FreeBSD-STABLE Mailing List <freebsd-stable@freebsd.org>, Jeremy Chadwick <freebsd@jdc.parodius.com> Subject: Re: 32GB limit per swap device? Message-ID: <CFE743A4-A5FA-4AC8-B090-E1174EB49473@alogis.com> In-Reply-To: <4E423CAC.20008@digsys.bg> References: <4E4143A6.6030307@digsys.bg> <20110809151646.GF1814@albert.catwhisker.org> <4E422F8A.1070508@digsys.bg> <20110810074759.GA30254@icarus.home.lan> <4E423CAC.20008@digsys.bg>
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Am 10.08.2011 um 10:09 schrieb Daniel Kalchev: > On 10.08.11 10:47, Jeremy Chadwick wrote: >> On Wed, Aug 10, 2011 at 10:13:14AM +0300, Daniel Kalchev wrote: >>> I am more concerned that with 32GB of swap in single device I could not= dump kernel core, with 64GB of RAM. >> My apologies if I've misunderstood something, but why does this of any >> concern? Machine has 64GB RAM. You have a single swap slice that's >> effectively 32GB. How is a kernel panic worth of 64GB RAM going to fit >> into a 32GB swap slice? >> > The swap partitions are 64GB, it is only that FreeBSD refuses to use more= than 32GB of each for swap. But.. it might happily dump core to the whole = partition, tests will show. I doubt it. Have you tried increasing kern.maxswzone? It is the size in KB = (for 32GB it is set to 33554432). kern.maxswzone: Maximum memory for swap metadata Best regards, Holger -- Holger Kipp Diplom-Mathematiker Senior Consultant Tel. : +49 30 436 58 114 Fax. : +49 30 436 58 214 Mobil: +49 178 36 58 114 Email: holger.kipp@alogis.com alogis AG Alt-Moabit 90b D-10559 Berlin web : http://www.alogis.com ---------------------------------------------------------- alogis AG Sitz/Registergericht: Berlin/AG Charlottenburg, HRB 71484 Vorstand: Arne Friedrichs, Joern Samuelson Aufsichtsratsvorsitzender: Reinhard Mielke
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