From owner-freebsd-stable@FreeBSD.ORG Sat Nov 21 23:51:27 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 6C66A106566C for ; Sat, 21 Nov 2009 23:51:27 +0000 (UTC) (envelope-from pluknet@gmail.com) Received: from mail-bw0-f213.google.com (mail-bw0-f213.google.com [209.85.218.213]) by mx1.freebsd.org (Postfix) with ESMTP id EE2AB8FC12 for ; Sat, 21 Nov 2009 23:51:26 +0000 (UTC) Received: by bwz5 with SMTP id 5so4527443bwz.3 for ; Sat, 21 Nov 2009 15:51:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=4Wu197LkIiIKqjun6Rdamv877W7S7wwngD8nO8tLywg=; b=vCOWznMNu2FDwnVnU4lmfzCWHKaENySSGbbV3a9gNRsalP8DdPuVoNJeW+H84yee8l I6aUSKRTCVrNEBlAa5h1uLlZs92wPE2lj5lGuZE3TD8wYKX5fRX3PXzVrnFy0c7b5Jfs KpfX1X94wiZEg362JKnib1V1N5GsbEsbb3+Bc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=szZ59X5JH3S+HnfW9z8UFxV6NzvH3xyibE69N0x8834aIqiPcSyvndVeb5T8mdZNRn bJCjlb/GKuoTuoZ0PdhyPEQ/GQbAqu9YxctzqOAcGaaKZiVI8IeiUt5V2oQrBZmnvSLb DO/KTp1l9w/8Xh8uFNBsbMXxixT+o4Srv90zk= MIME-Version: 1.0 Received: by 10.204.49.82 with SMTP id u18mr3103683bkf.47.1258847485886; Sat, 21 Nov 2009 15:51:25 -0800 (PST) In-Reply-To: <20091121205712.GB35595@server.vk2pj.dyndns.org> References: <4B066B13.1070006@freebsd.org> <4b07ac59.A2Afaf4X0IZlrgGU%perryh@pluto.rain.com> <57200BF94E69E54880C9BB1AF714BBCBA5722E@w2003s01.double-l.local> <20091121193643.GA14122@icarus.home.lan> <20091121205712.GB35595@server.vk2pj.dyndns.org> Date: Sun, 22 Nov 2009 02:51:25 +0300 Message-ID: From: pluknet To: Peter Jeremy Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: Randy Bush , Johan Hendriks , freebsd-stable@freebsd.org, Jeremy Chadwick Subject: Re: 7.2 dies in zfs X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 21 Nov 2009 23:51:27 -0000 2009/11/21 Peter Jeremy : > On 2009-Nov-21 09:47:56 +0900, Randy Bush wrote: >>imiho, zfs can not be called production ready if it crashes if you do >>not stand on your left leg, put your right hand in the air, and burn >>some eye of newt. > > FWIW, it's still very brittle on Solaris 10 and the Sun Support > response to most issues is "restore from backup". =A0The IMHO, the > biggest issue with ZFS itself is lack of recovery tools prior to PSARC > 2009/479 (in ZFS v21). > > On 2009-Nov-21 11:36:43 -0800, Jeremy Chadwick = wrote: >>RELENG_7 uses ZFS v13, RELENG_8 uses ZFS v18. > > Not in my repository. =A0I still have v13 in > sys/cddl/contrib/opensolaris/uts/common/sys/fs/zfs.h in last night's > RELENG_7, RELENG_8 and -current. The good side of things is that there's the ongoing work on v13 -> v22 in perforce. > >>RELENG_7 and RELENG_8 both, more or less, behave the same way with >>regards to ZFS. =A0Both panic on kmem exhaustion. =A0No one has answered = my >>question as far as what's needed to stabilise ZFS on either 7.x or 8.x. > > My understanding is that the problem is more that the FreeBSD VM > system doesn't gracefully handle running low or out of memory. AFAIU kmacy works on zfs integration into FreeBSD'ish buf/vm. It'd be nice to read something on that.. --=20 wbr, pluknet