From owner-freebsd-questions@FreeBSD.ORG Fri May 7 21:06:40 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A4B5C1065673 for ; Fri, 7 May 2010 21:06:40 +0000 (UTC) (envelope-from kraduk@googlemail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.155]) by mx1.freebsd.org (Postfix) with ESMTP id 2DFAB8FC0A for ; Fri, 7 May 2010 21:06:39 +0000 (UTC) Received: by fg-out-1718.google.com with SMTP id 22so34929fge.13 for ; Fri, 07 May 2010 14:06:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=7e64/NJ7NIDTjBpORt9Cscni++UkE6LW+J+X6CRhQ6k=; b=B23W0Nmn4Eyg0kH70ttstlcx73Ae7/CYnwdjjyY+gf0MLdhtf5oheuAf997WJQeZZG F4IHyk93KwzPMNm7KW2+P1fupbW3u1YOcDdfkimU7Z7Hceyjpg7oNwiHfiuxlen4BOgm Cxi5iy4sUuZwS+Lh+F7CVqKRER6PtYJFg19WA= 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=uGtJBXL+fu0HfowDXpMaxa+WdWIJtaLNUUkyHJsfMBQvKBZ8XreQGEmBIjd34bxKG3 Ta9eoPU2Rqsa1gu3MCtEznnh2RO+7VaarVjYLsHFsHWuKXa0YxE02MDEA4/JsmnSBWTc GAfGIRkkh+Y3OvTXYsZDzC+qiTGuDVgZq0o8c= MIME-Version: 1.0 Received: by 10.239.181.79 with SMTP id l15mr60245hbg.97.1273266391832; Fri, 07 May 2010 14:06:31 -0700 (PDT) Received: by 10.239.165.129 with HTTP; Fri, 7 May 2010 14:06:31 -0700 (PDT) In-Reply-To: References: <20100505195544.be380d17.freebsd@edvax.de> Date: Fri, 7 May 2010 22:06:31 +0100 Message-ID: From: krad To: "A. Wright" Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Polytropon , FreeBSD Questions Subject: Re: dangerously dedicated disks and 8-stable status X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 07 May 2010 21:06:40 -0000 On 7 May 2010 16:17, A. Wright wrote: > > On Fri, 7 May 2010, krad wrote: > > FYI happened on 2nd box as well but I least it didnt catch me out this >> time >> 8). It seems that pre freebsd-8 it is permissible to use format >> s1[a-h] , however in freebsd-8+ to you are forced to use the format >> [a-h]. >> > > I have noted peculiarities also in this move (as noted above: > 8.0-RELEASE upgrade -- no files visible), but different ones > from what you are seeing. > > I have begun to suspect that part of the issue is that my > drives at one time were set up in "dangerously dedicated" > mode, but later changed to "slice-based" mode. It may be > that there are still sectors near the beginning of the disk > with old information in them. > > Currently I have one disk remaining from the old setup, for > which I only get /dev entries produced for the device, and > for partition 'a' (ie, /dev/ad10, /dev/ad10a), however if > accessed from 7.2, I can see and mount /dev/ad10s1[a,d-g]. > > Might your disks have similar "old" information in the first > track (but not in the first sector), or do you refer to a > new disk, or one to which a number of sectors of zeros was > written? > > Thanks for the info, > A. > > > Both were a 6.2 box upgraded to 7-stable then 8. I didnt build the initial os's so have no idea what the state of the disks were unfortunately. I have about 20 more or so upgrades to do in the next few weeks so expect the trend to continue as they were all built around the same time by the same person