From owner-freebsd-stable@FreeBSD.ORG Thu Mar 18 17:55:16 2010 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 144481065670 for ; Thu, 18 Mar 2010 17:55:16 +0000 (UTC) (envelope-from tevans.uk@googlemail.com) Received: from mail-ew0-f228.google.com (mail-ew0-f228.google.com [209.85.219.228]) by mx1.freebsd.org (Postfix) with ESMTP id 98B418FC2B for ; Thu, 18 Mar 2010 17:55:15 +0000 (UTC) Received: by ewy28 with SMTP id 28so1117864ewy.13 for ; Thu, 18 Mar 2010 10:55:14 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type; bh=NDaNVp1Izkqb6631t5DXL8cUD3CjimhXpDKOdx73+8c=; b=tcYMJNOtplpz78JLMEoMTac99IYKNsq5lzGRzT6TUab6F7IbgMljG7DKp13WRMC+YM IejpQbNoU5EVjIgl7S+PW/RlTDxpMeyCH++mcf/rDX6RmySaQ9gCd4/u9GqkyAFE/ETu 4DsPLrRh+66TK1NnwcwTbVozYiyOuRRZUCUSU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=Z7VsDKFeq8tSeEMuF0S3vo7GKWs3o7MkgYjRmnwnrC/XwD2vuHoJfjjWV6fGBt+Rkk vYmgsNssFU5lVWcXDjssDZe4Nw9yiRuWz0e4TMr+ueJMY+11U1NMsC0BKVCWroZI29SH S/ALhOfizTMjvSfGKWyfWy9Wu7WMugH7zILeA= MIME-Version: 1.0 Received: by 10.213.39.135 with SMTP id g7mr1766537ebe.49.1268934913871; Thu, 18 Mar 2010 10:55:13 -0700 (PDT) In-Reply-To: <3351778098-2078121394@intranet.com.mx> References: <2e027be01003170732y4ae4312fof9bf64e3574c964a@mail.gmail.com> <3351778098-2078121394@intranet.com.mx> Date: Thu, 18 Mar 2010 17:55:13 +0000 Message-ID: <2e027be01003181055w6a2ec0d6w1da5ccfcfea53974@mail.gmail.com> From: Tom Evans To: Jorge Biquez Content-Type: text/plain; charset=UTF-8 Cc: FreeBSD Stable Mailing List Subject: Re: 7.2-p7 -> 8-STABLE mergemaster core dump 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: Thu, 18 Mar 2010 17:55:16 -0000 On Thu, Mar 18, 2010 at 5:27 PM, Jorge Biquez wrote: > Hello all. > With all respect Doug, users that have remote machines and do not have > access to it to boot single user like the manual says.. what can we do? I > understand that step is to be sure that no user will modify something while > we are doing those process. In my case I do that step after midnight when > our users are not in the server. > > Can others with remote systems comment about what they do in this step? > > Thanks in advance > > Jorge Biquez > > Hi Jorge As I mentioned in my email, the critical thing is that you must be running your new kernel before installing your new world. The single-user phase is simply to ensure that nothing is running that would interfere with the installworld/mergemaster steps. Therefore, an appropriate workaround if you cannot go to single user mode remotely would be to install the kernel, reboot into the new kernel, install world, reboot into the new world. However, if you have no remote access at all (remote power would be better than nothing!) this would be quite risky. Judicious use of nextboot, and having someone on standby who can find the power button is recommended. Cheers Tom