From owner-freebsd-hackers@FreeBSD.ORG Sun Jun 1 13:32:27 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id ACA1C106567D for ; Sun, 1 Jun 2008 13:32:27 +0000 (UTC) (envelope-from ender@enderzone.com) Received: from www.ksdhost.com (www.ksdhost.com [75.126.66.82]) by mx1.freebsd.org (Postfix) with ESMTP id 5E59B8FC20 for ; Sun, 1 Jun 2008 13:32:27 +0000 (UTC) (envelope-from ender@enderzone.com) Received: (qmail 10538 invoked from network); 1 Jun 2008 09:05:46 -0400 Received: from 19.94.144.216.westtel.ky (HELO ?192.168.2.2?) (216.144.94.19) by www.ksdhost.com with SMTP; 1 Jun 2008 09:05:46 -0400 Message-ID: <48429E7F.5000205@enderzone.com> Date: Sun, 01 Jun 2008 09:05:03 -0400 From: Ender User-Agent: Thunderbird 2.0.0.14 (Windows/20080421) MIME-Version: 1.0 To: Tz-Huan Huang References: <6a7033710805302252v43a7b240x66ca3f5e3dd5fda4@mail.gmail.com> <319cceca0805311154w5f705b2cp771392cd86ba888@mail.gmail.com> <6a7033710805311201t4085edcpc2f1ac9fa554c000@mail.gmail.com> <319cceca0805311303o61729e0dta615c442b6bd03ce@mail.gmail.com> <6a7033710806010143y204341cepc43f7a14678f7736@mail.gmail.com> <20080601085835.GA50415@eos.sc1.parodius.com> In-Reply-To: <20080601085835.GA50415@eos.sc1.parodius.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-hackers@freebsd.org, koitsu@FreeBSD.org Subject: Re: Is there any way to increase the KVM? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 01 Jun 2008 13:32:27 -0000 Jeremy Chadwick wrote: > On Sun, Jun 01, 2008 at 04:43:48PM +0800, Tz-Huan Huang wrote: > >> On Sun, Jun 1, 2008 at 4:03 AM, Maslan wrote: >> >>> Your are right PAE is for i386, i mean try running i386 freebsd with >>> PAE enabled rather than amd64. PAE will let you access 64GB which is >>> far than you got. >>> >> The whole 8G physical memory is available in our system, the point we >> concerned is that the kernel cannot use more than 2G memory in kernel >> space. >> > > Your concern is justified; I don't think Maslan understands what it is > you're describing. Yes, there is a 2GB limit for kmem_size. Yes, that > limit applies to both i386 (with or without PAE) and amd64. Yes, it's a > problem. And yes, it's absolutely a problem (especially when it comes > to ZFS). > > Exactly. If you have to use ZFS in production I would suggest the new 2008.05 opensolaris.com live cd / installer >> Since the server is on line now, we cannot re-install it to i386 to check this. >> We'll try it if we have spare machines. >> > > Don't bother -- it won't fix the problem you're reporting. > >