From owner-freebsd-i386@FreeBSD.ORG Tue Aug 3 02:21:04 2010 Return-Path: Delivered-To: freebsd-i386@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B46421065675 for ; Tue, 3 Aug 2010 02:21:03 +0000 (UTC) (envelope-from lnkstern@yahoo.com) Received: from web110507.mail.gq1.yahoo.com (web110507.mail.gq1.yahoo.com [67.195.8.112]) by mx1.freebsd.org (Postfix) with SMTP id 86C568FC18 for ; Tue, 3 Aug 2010 02:21:03 +0000 (UTC) Received: (qmail 87629 invoked by uid 60001); 3 Aug 2010 01:54:23 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1280800463; bh=BJYMJx1Qvsd/9aBTx/XkdN1JASHjwKMUOtVNLJFIaRk=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:MIME-Version:Content-Type; b=kWhsPCVY4mSvGwhg9rm5NSggn7JRShtxJfHdALYNVEjIsjAuKF3klUUNnUfyWnOaqAE5G611mWykgpHTIBoKxTjKmy6NprZmamjog380HcSJSxexnbkk2URMOLf76VeUgVWKCQpcUQuFwBNH/1uHu6UrAQOnQ+lefbJSsvCYpSE= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:MIME-Version:Content-Type; b=yJVw17qacoUu+oaMZjwLmbaSP2+5rLRQ73RSh/HTzQi69hMudhrakOVvnk4Fkikm9X12opW+6pUGMJAk0LcGmfZIbvltnqEO01EnMbvOiBW0DTwZXPn0AT8Sp0rZ9Zcz4xR/rAegtax0tw0MffT1Aeh1078zrzTlYvG7dFrxC8w=; Message-ID: <718713.86541.qm@web110507.mail.gq1.yahoo.com> X-YMail-OSG: HoboHu4VM1l3RS6qtJ3xZcQiucexlHS_pt7p5a6E0q_YKuU w1c3iuqgJktmkxmFApLopSCeUp3KmBnJqoVan_knqocP9PwYjzTLvfMtYs2I pMPhr5BWQCR1MRVjobq5zo5nyoj9KfpiGmtax1DjC5N.flLCJbBFzrM4ep5s oGRjgRAv_ju4opW_wufr_8TAiiQ1PbMcxcdxukUJg24ZKGkPkpMkviuPSZBb w3dOYrf3KpbSBkZpDqunMupyd3znP7STTCkUFdLz_TAXefrY1CGoVLNSqnQF dbhS2Y_GnHBoeXwHVQR8VmlYZPVwC6f67gGZkoKyFINLYX1T_8z93s_Aq6n1 aMYhp0NMEVX..IRfdEHAvWLglnw-- Received: from [70.59.222.158] by web110507.mail.gq1.yahoo.com via HTTP; Mon, 02 Aug 2010 18:54:23 PDT X-Mailer: YahooMailRC/420.4 YahooMailWebService/0.8.105.279950 Date: Mon, 2 Aug 2010 18:54:23 -0700 (PDT) From: "Lincoln F. Sternn" To: freebsd-i386@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-fs@freebsd.org Subject: Fw: [303] Details on ZFS tuning on FreeBSD X-BeenThere: freebsd-i386@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: I386-specific issues for FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Aug 2010 02:21:04 -0000 ----- Forwarded Message ---- From: Lincoln F. Sternn To: 303 <303@infosyndicate.net> Cc: jon@kozubik.com Sent: Mon, August 2, 2010 12:23:37 PM Subject: [303] Details on ZFS tuning on FreeBSD All (especially Teabag!), I am still getting kernel panics while using ZFS on FreeBSD 8.0. I am currently using the following parmeters on 303jose: /sys/i386/conf/JOSE: options KVA_PAGES=512 /boot/loader.conf: vm.kmem_size="1024M" vm.kmem_size_max="1024M" vfs.zfs.arc_max="512M" vfs.zfs.vdev.cache.size="256M" vfs.zfs.prefetch_disable=0 Ideally, I would like to dedicate 3 Gigs of memory to dedicated ZFS use. I am still trying to figure out which parameters I can safely increase without panic'ing the kernel on boot. Linc