From owner-freebsd-current@FreeBSD.ORG Sun Jan 6 15:48:15 2008 Return-Path: <owner-freebsd-current@FreeBSD.ORG> 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 75FED16A419; Sun, 6 Jan 2008 15:48:15 +0000 (UTC) (envelope-from hlh@restart.be) Received: from tignes.restart.be (unknown [IPv6:2001:41d0:1:2ad2::1]) by mx1.freebsd.org (Postfix) with ESMTP id 09DC113C458; Sun, 6 Jan 2008 15:48:15 +0000 (UTC) (envelope-from hlh@restart.be) Received: from restart.be (avoriaz.tunnel.bel [IPv6:2001:41d0:1:2ad2::fffe:0]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "avoriaz.restart.be", Issuer "CA master" (verified OK)) by tignes.restart.be (Postfix) with ESMTP id CC0D21BAC24; Sun, 6 Jan 2008 16:48:13 +0100 (CET) Received: from morzine.restart.bel (morzine6.restart.bel [IPv6:2001:41d0:1:2ad2::1:2]) (authenticated bits=0) by restart.be (8.14.2/8.14.2) with ESMTP id m06Fm9G8009039; Sun, 6 Jan 2008 16:48:09 +0100 (CET) (envelope-from hlh@restart.be) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=restart.be; s=avoriaz; t=1199634493; bh=3aosA0Xyqgl7ukOp1MMKt0aIKlDWkDOznPQtJYN NEik=; h=DomainKey-Signature:Message-ID:Date:From:Organization: User-Agent:MIME-Version:To:CC:Subject:References:In-Reply-To: Content-Type:Content-Transfer-Encoding:X-Scanned-By; b=ckYPZ6H5+ZI XILhPgVISBsVE37ca+T7+fKBhYY1LjxCLXkh9+VMDoXW4R7R5/jmi7okKovZSgtZDVY 1z/yTAAg== DomainKey-Signature: a=rsa-sha1; s=avoriaz; d=restart.be; c=nofws; q=dns; h=message-id:date:from:organization:user-agent:mime-version:to:cc: subject:references:in-reply-to:content-type: content-transfer-encoding:x-scanned-by; b=DDHXYTcSoHlsFNLturM84/hECu/yIrW1KHBy8UQ3gMUAnq15UwuM15Q0uvANJSAai 3BmAt+IhgZcUbU/WRxpnQ== Message-ID: <4780F839.5020200@restart.be> Date: Sun, 06 Jan 2008 16:48:09 +0100 From: Henri Hennebert <hlh@restart.be> Organization: RestartSoft User-Agent: Thunderbird 2.0.0.9 (X11/20071118) MIME-Version: 1.0 To: Kris Kennaway <kris@freebsd.org> References: <fll63b$j1c$1@ger.gmane.org> <20080104163352.GA42835@lor.one-eyed-alien.net> <9bbcef730801040958t36e48c9fjd0fbfabd49b08b97@mail.gmail.com> <200801061051.26817.peter.schuller@infidyne.com> <9bbcef730801060458k4bc9f2d6uc3f097d70e087b68@mail.gmail.com> <4780D289.7020509@FreeBSD.org> In-Reply-To: <4780D289.7020509@FreeBSD.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.63 on IPv6:2001:41d0:1:2ad2::1:1 Cc: freebsd-current@freebsd.org, Peter Schuller <peter.schuller@infidyne.com>, Ivan Voras <ivoras@freebsd.org>, Brooks Davis <brooks@freebsd.org> Subject: Re: When will ZFS become stable? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current <freebsd-current.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current> List-Post: <mailto:freebsd-current@freebsd.org> List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=subscribe> X-List-Received-Date: Sun, 06 Jan 2008 15:48:15 -0000 Kris Kennaway wrote: > Ivan Voras wrote: >> On 06/01/2008, Peter Schuller <peter.schuller@infidyne.com> wrote: >>>> This number is not so large. It seems to be easily crashed by rsync, >>>> for example (speaking from my own experience, and also some of my >>>> colleagues). >>> I can definitely say this is not *generally* true, as I do a lot of >>> rsyncing/rdiff-backup:ing and similar stuff (with many files / large >>> files) >>> on ZFS without any stability issues. Problems for me have been >>> limited to >>> 32bit and the memory exhaustion issue rather than "hard" issues. >> >> It's not generally true since kmem problems with rsync are often hard >> to repeat - I have them on one machine, but not on another, similar >> machine. This nonrepeatability is also a part of the problem. >> >>> But perhaps that's all you are referring to. >> >> Mostly. I did have a ZFS crash with rsync that wasn't kmem related, >> but only once. > > kmem problems are just tuning. They are not indicative of stability > problems in ZFS. Please report any further non-kmem panics you experience. I encounter 2 times a deadlock during high I/O activity (the last one during rsync + rm -r on a 5GB hierarchy (openoffice-2/work). I was running with this patch: http://people.freebsd.org/~pjd/patches/zgd_done.patch db> show allpcpu Current CPU: 1 cpuid = 0 curthread = 0xa5ebe440: pid 3422 "txg_thread_enter" curpcb = 0xeb175d90 fpcurthread = none idlethread = 0xa5529aa0: pid 12 "idle: cpu0" APIC ID = 0 currentldt = 0x50 cpuid = 1 curthread = 0xa56ab220: pid 47 "arc_reclaim_thread" curpcb = 0xe6837d90 fpcurthread = none idlethread = 0xa5529880: pid 11 "idle: cpu1" APIC ID = 1 currentldt = 0x50 With the 2 times arc_reclaim_thread `running` > > Kris > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"