From owner-svn-src-projects@FreeBSD.ORG Wed Jan 26 15:40:35 2011 Return-Path: Delivered-To: svn-src-projects@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 21170106566C; Wed, 26 Jan 2011 15:40:35 +0000 (UTC) (envelope-from mavbsd@gmail.com) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id 716A28FC17; Wed, 26 Jan 2011 15:40:13 +0000 (UTC) Received: by bwz12 with SMTP id 12so1505611bwz.13 for ; Wed, 26 Jan 2011 07:40:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:sender:message-id:date:from:user-agent :mime-version:to:cc:subject:references:in-reply-to :x-enigmail-version:content-type:content-transfer-encoding; bh=KVQAmXZv5egXqGxVwIYAXiy0A/Itau2iocJxSb+28WU=; b=vpvOj2PyhbqCaW5lmfWkwVmRXpKNJk3zaHGwSLvF1wUEPcJH5tBJuRj7fNd1aWMgYU 4z5G6ODKJPHFKki8Aci8za15XRSp5V3ngaWBDXxg61+pn2IzRRC8fzQ7fCKyGI4sZkc+ TQIJFMn4bRlblHU9y92iNuTYXpuK3kwtrxP1I= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; b=xm8JOrz2Dt0Sz1RFpgewS1z6qWbT+0tLDYM1QN51/pF5SzI4L/RsxoaawCgIm/W9yR uHmIlOzPZUy9rk48/xZsZGUhbX75t6BYixE2f+vIiRDh/W4wcpjAzSnp0LEcs2KpP846 uILKZ9KRRqgo3ZXZcqCh6qYFPCjJ0kK4+mk8c= Received: by 10.204.60.195 with SMTP id q3mr503203bkh.188.1296055741079; Wed, 26 Jan 2011 07:29:01 -0800 (PST) Received: from mavbook2.mavhome.dp.ua (pc.mavhome.dp.ua [212.86.226.226]) by mx.google.com with ESMTPS id u23sm4982756bkw.9.2011.01.26.07.28.57 (version=SSLv3 cipher=RC4-MD5); Wed, 26 Jan 2011 07:28:59 -0800 (PST) Sender: Alexander Motin Message-ID: <4D403D86.6040901@FreeBSD.org> Date: Wed, 26 Jan 2011 17:28:06 +0200 From: Alexander Motin User-Agent: Thunderbird 2.0.0.23 (X11/20091212) MIME-Version: 1.0 To: Ken Smith References: <201101251534.p0PFY7cF039182@svn.freebsd.org> <201101251117.49069.jhb@freebsd.org> <4D3FED31.8040304@FreeBSD.org> <1296054407.19051.5.camel@bauer.cse.buffalo.edu> In-Reply-To: <1296054407.19051.5.camel@bauer.cse.buffalo.edu> X-Enigmail-Version: 0.96.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: svn-src-projects@freebsd.org, Pawel Jakub Dawidek , src-committers@freebsd.org, Robert Watson , John Baldwin Subject: Re: svn commit: r217828 - projects/graid/head/sys/geom/raid X-BeenThere: svn-src-projects@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: "SVN commit messages for the src " projects" tree" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 26 Jan 2011 15:40:35 -0000 Ken Smith wrote: > On Wed, 2011-01-26 at 11:45 +0200, Alexander Motin wrote: >> Those who want maximum robustness should use dedicated >> drive on the most trivial dedicated controller to make dumping reliable. >> If we are going above that - there are always some compromises. > > Please remember this statement when I change dumpdev from "AUTO" > to "NO" in /etc/defaults/rc.conf shortly after branching stable/9. :-) World is imperfect. We have to choose between our wish to have kernel dumps and some non-zero (by definition, as something there already caused panic) probability that dumping may not finish as we expect. For this time I have already reimplemented dumping in more robust way, so you may relax a bit. :) -- Alexander Motin