From owner-freebsd-current Wed Mar 15 23:59:10 1995 Return-Path: current-owner Received: (from majordom@localhost) by freefall.cdrom.com (8.6.10/8.6.6) id XAA02488 for current-outgoing; Wed, 15 Mar 1995 23:59:10 -0800 Received: from godzilla.zeta.org.au (godzilla.zeta.org.au [203.2.228.34]) by freefall.cdrom.com (8.6.10/8.6.6) with ESMTP id XAA02482 for ; Wed, 15 Mar 1995 23:59:02 -0800 Received: (from bde@localhost) by godzilla.zeta.org.au (8.6.9/8.6.9) id RAA20408; Thu, 16 Mar 1995 17:57:51 +1000 Date: Thu, 16 Mar 1995 17:57:51 +1000 From: Bruce Evans Message-Id: <199503160757.RAA20408@godzilla.zeta.org.au> To: bde@zeta.org.au, phk@ref.tfs.com Subject: Re: newfs: sectors per cylinder (4096) disagrees with disk label (36) Cc: current@FreeBSD.org, rgrimes@gndrsh.aac.dev.com, terry@cs.weber.edu Sender: current-owner@FreeBSD.org Precedence: bulk >> Anyway, for sliced devices, geometry(A) is stored in the label for the >> whole disk and is not necessarily related to the geometries(B) stored >> in the BSD labeled slices on the disk. You can put a 4096 * 1 geometry >> in the slices is that is good for file systems. >Uhm, is "label for the whole disk" the MBR ? No. There is a separate slice for the whole disk and a readonly label on it giving the geometry. The label format is not great for reporting geometries but I don't wan't to implement new ioctls now. Bruce