From owner-freebsd-fs@FreeBSD.ORG Wed Sep 7 09:20:21 2011 Return-Path: Delivered-To: freebsd-fs@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8FFFB106566B; Wed, 7 Sep 2011 09:20:21 +0000 (UTC) (envelope-from avg@FreeBSD.org) Received: from citadel.icyb.net.ua (citadel.icyb.net.ua [212.40.38.140]) by mx1.freebsd.org (Postfix) with ESMTP id 4CB0A8FC16; Wed, 7 Sep 2011 09:20:19 +0000 (UTC) Received: from porto.starpoint.kiev.ua (porto-e.starpoint.kiev.ua [212.40.38.100]) by citadel.icyb.net.ua (8.8.8p3/ICyb-2.3exp) with ESMTP id MAA11623; Wed, 07 Sep 2011 12:20:18 +0300 (EEST) (envelope-from avg@FreeBSD.org) Received: from localhost ([127.0.0.1]) by porto.starpoint.kiev.ua with esmtp (Exim 4.34 (FreeBSD)) id 1R1EIs-0004tT-Dq; Wed, 07 Sep 2011 12:20:18 +0300 Message-ID: <4E673751.5080503@FreeBSD.org> Date: Wed, 07 Sep 2011 12:20:17 +0300 From: Andriy Gapon User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:6.0.2) Gecko/20110907 Thunderbird/6.0.2 MIME-Version: 1.0 To: Artem Belevich , Pawel Jakub Dawidek , =?windows-1252?Q?Martin_Matu=9Aka?= References: <20110907044800.GA96277@server.vk2pj.dyndns.org> In-Reply-To: X-Enigmail-Version: undefined Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: freebsd-fs@FreeBSD.org Subject: Re: "can't load 'kernel'" on ZFS root X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 07 Sep 2011 09:20:21 -0000 on 07/09/2011 10:35 Artem Belevich said the following: > It makes me wonder, though -- if we're probing devices anyways, why is > zpool.cache existence mandatory? According to the name it's a *cache*, > presumably to speed up zpool detection on a normal boot. Perhaps we > can fall back to probing all drives if zpool.cache is missing. Slower > boot definitely beats no booting at all. Very good point indeed. Pawel, Martin, do you know how the relevant code works? I suspect that you do :-) Maybe this could be improved trivially?... -- Andriy Gapon