From owner-freebsd-questions@freebsd.org Fri Sep 11 22:16:41 2015 Return-Path: Delivered-To: freebsd-questions@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A3EF3A0216B for ; Fri, 11 Sep 2015 22:16:41 +0000 (UTC) (envelope-from milios@ccsys.com) Received: from cargobay.net (cargobay.net [198.178.123.147]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 83AAC14B0 for ; Fri, 11 Sep 2015 22:16:41 +0000 (UTC) (envelope-from milios@ccsys.com) Received: from [192.168.0.4] (cblmdm72-240-160-19.buckeyecom.net [72.240.160.19]) by cargobay.net (Postfix) with ESMTPSA id 72909714; Fri, 11 Sep 2015 22:11:56 +0000 (UTC) Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (1.0) Subject: Re: mdconfig creating file based memory disk From: "Chad J. Milios" X-Mailer: iPhone Mail (12H321) In-Reply-To: <20150911060251.5cd303ba@X220.alogt.com> Date: Fri, 11 Sep 2015 18:16:32 -0400 Cc: "freebsd-questions@freebsd.org" Content-Transfer-Encoding: quoted-printable Message-Id: References: <20150910111034.20b97c41@X220.alogt.com> <20150911060251.5cd303ba@X220.alogt.com> To: Erich Dollansky X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 11 Sep 2015 22:16:41 -0000 > On Sep 10, 2015, at 6:02 PM, Erich Dollansky = wrote: > If mdconfig would lock the file for > exclusive access, this would not happen. I should have a lock at the > sources when time permits this. >=20 > Erich That makes a lot of sense. If md were built today it probably would use simi= lar locking semantics like we've come to expect from post-geom devices. I wo= nder if ggatel behaves closer to what you're describing. It is the geom-made= equivalent to md with similar functionality.=