From owner-freebsd-questions@FreeBSD.ORG Mon Oct 8 15:24:30 2012 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 71600106566C for ; Mon, 8 Oct 2012 15:24:30 +0000 (UTC) (envelope-from lbc@bnrlabs.com) Received: from mail.bnrlabs.com (did75-5-82-224-61-5.fbx.proxad.net [82.224.61.5]) by mx1.freebsd.org (Postfix) with ESMTP id 315EB8FC12 for ; Mon, 8 Oct 2012 15:24:29 +0000 (UTC) Received: from [127.0.0.1] (unknown [172.20.96.112]) by mail.bnrlabs.com (Postfix) with ESMTP id 2BDC446094 for ; Mon, 8 Oct 2012 17:14:21 +0200 (CEST) Message-ID: <5072EDCC.4040303@bnrlabs.com> Date: Mon, 08 Oct 2012 17:14:20 +0200 From: "Lucas B. Cohen" MIME-Version: 1.0 To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: what is an "in-core" disklabel ? 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: Mon, 08 Oct 2012 15:24:30 -0000 Hi, I've seen the term "in-core" a couple times while reading up about BSD disk labels. Does it refer to data that is cached in kernel memory ? Context examples : - fdisk(8) outputs "parameters extracted from in-core disklabel" - bsdlabel(8)'s manual explains that the -n (dry run) parameter "does not install the new label either in-core or on-disk".