From owner-freebsd-current@FreeBSD.ORG Mon Nov 24 10:31:51 2008 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B08A31065674 for ; Mon, 24 Nov 2008 10:31:51 +0000 (UTC) (envelope-from ndenev@gmail.com) Received: from ey-out-2122.google.com (ey-out-2122.google.com [74.125.78.26]) by mx1.freebsd.org (Postfix) with ESMTP id 36EB48FC19 for ; Mon, 24 Nov 2008 10:31:51 +0000 (UTC) (envelope-from ndenev@gmail.com) Received: by ey-out-2122.google.com with SMTP id 6so766418eyi.7 for ; Mon, 24 Nov 2008 02:31:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:cc:message-id:from:to :in-reply-to:content-type:content-transfer-encoding:mime-version :subject:date:references:x-pgp-agent:x-mailer; bh=94yukvOVf2U6+9D2GVVPEYTqqmjcw/X+bDIBJWV6SFs=; b=IWiEGlx61BfSrTz01rcINj/uSiRXmh9igeYjQ0xhw0khkEcK9mriX095him63SSdC+ dltMztvdzNBt084k1gCW8qTb0gI2+gdKDa1eQ7rYjoIuPTejnh9nAEoGQ32cBmsuy0DX VEuLK0CubGa13YNz0AsnE1ZBldwMGrko3cB2s= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=cc:message-id:from:to:in-reply-to:content-type :content-transfer-encoding:mime-version:subject:date:references :x-pgp-agent:x-mailer; b=T5bOp7jhxbEkWccMh6YE2P7J6SvJWhxoHaxD3gXW/w5xC92iBdck0W73SYWAGFUTds i5Vul8CqEQQaeuumelUBkyxNMX1Mlt/+2UCCxyjFx1j25HjxUzgXgGann19xKMWaFIa3 cdWU+psO7Y8gjNLVwqpipQ7TDYjtiQBSjb91U= Received: by 10.103.243.9 with SMTP id v9mr1014880mur.5.1227522709811; Mon, 24 Nov 2008 02:31:49 -0800 (PST) Received: from ndenev.cmotd.com (blah.sun-fish.com [217.18.249.150]) by mx.google.com with ESMTPS id u26sm4396503mug.31.2008.11.24.02.31.45 (version=TLSv1/SSLv3 cipher=RC4-MD5); Mon, 24 Nov 2008 02:31:47 -0800 (PST) Message-Id: <976654BF-F7A0-41F9-8ECD-8CF76D97EEE9@gmail.com> From: Nikolay Denev To: Pawel Jakub Dawidek In-Reply-To: <8517A9FD-6420-413A-9190-10F3969DEF95@gmail.com> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v929.2) Date: Mon, 24 Nov 2008 12:31:43 +0200 References: <20081117205526.GC1733@garage.freebsd.pl> <8ECD400F-BFE3-4E31-94F0-39AF5F44FDAC@gmail.com> <20081119090307.GA81236@icarus.home.lan> <18E318DD-29FA-4E26-89CF-11B893B42E34@gmail.com> <20081121162518.GC6509@garage.freebsd.pl> <20081122230554.GC2016@garage.freebsd.pl> <8517A9FD-6420-413A-9190-10F3969DEF95@gmail.com> X-Pgp-Agent: GPGMail d53 (v53, Leopard) X-Mailer: Apple Mail (2.929.2) Cc: freebsd-current@freebsd.org Subject: Re: HEADS UP: New ZFS in the tree. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 24 Nov 2008 10:31:51 -0000 -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 24 Nov, 2008, at 11:27 , Nikolay Denev wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > > On 23 Nov, 2008, at 01:05 , Pawel Jakub Dawidek wrote: > >> On Fri, Nov 21, 2008 at 05:25:18PM +0100, Pawel Jakub Dawidek wrote: >>> On Wed, Nov 19, 2008 at 01:58:49PM +0200, Nikolay Denev wrote: >>>> -----BEGIN PGP SIGNED MESSAGE----- >>>> Hash: SHA1 >>>> >>>> >>>> On 19 Nov, 2008, at 11:48 , Nikolay Denev wrote: >>>>> >>>>> Well, it looks like that on -current and a 4G amd64 machine >>>>> probably >>>>> there is no need >>>>> to tune anything. Here are my defaults with everything vm and zfs >>>>> related in loader.conf commented : >>>>> >>>>> vm.kmem_size_max: 4509713203 >>>>> vfs.zfs.arc_max: 863907840 >>>>> >>>> >>>> I was able to panic it again with "kmem_map too small" with these >>>> settings (defaults). >>>> >>>> This are the bonnie++ arguments that i've used: >>>> bonnie++ -d /tank -c 4 -r 4096 -x 9999999 -u 0:0 >>> >>> I wasn't able to panic my test machine running this command on i386 >>> machine with this in /boot/loader.conf: >>> >>> vm.kmem_size=1073741824 >>> vm.kmem_size_max=1073741824 >>> >>> (1GB) >>> >>> Although I now found that you were trying raidz2 and I had two two- >>> way >>> mirrors. I'm retrying now. >> >> Ok, I tried RAIDZ2 on top of five disks - no panics. >> >> -- >> Pawel Jakub Dawidek http://www.wheel.pl >> pjd@FreeBSD.org http://www.FreeBSD.org >> FreeBSD committer Am I Evil? Yes, I Am! > > > My test machine is still running the bonnie++ loop that i've started > on friday, > with only vfs.zfs.arc_max=512M in loader.conf. > Seems pretty stable. > > I'll retry just one more time without the vfs.zfs.arc_max tunable to > see if it's going to panic again. > > - -- > Regards, > Nikolay Denev > With absolutely nothing in loader.conf and these defaults : vfs.zfs.arc_max: 863907840 vm.kmem_size: 1382252544 vm.kmem_size_max: 4509713203 I got spontaneous reboot in only after 20-30 minutes of bonnie++ - -- Regards, Nikolay Denev -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.9 (Darwin) iEYEARECAAYFAkkqgo8ACgkQHNAJ/fLbfrm+ZgCggZpGghObaA9Ws7j7n91WmRcu ntwAn3VPHLOU9OdHobcvAQ273QNdKVxd =xelx -----END PGP SIGNATURE-----