From owner-freebsd-questions Mon Jul 22 10:57:10 2002 Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9A22B37B400 for ; Mon, 22 Jul 2002 10:57:06 -0700 (PDT) Received: from mail2.hd.intel.com (hdfdns02.hd.intel.com [192.52.58.11]) by mx1.FreeBSD.org (Postfix) with ESMTP id C515543E4A for ; Mon, 22 Jul 2002 10:57:02 -0700 (PDT) (envelope-from pavan.balaji@intel.com) Received: from fmsmsxvs041.fm.intel.com (fmsmsxvs041.fm.intel.com [132.233.42.126]) by mail2.hd.intel.com (8.11.6/8.11.6/d: solo.mc,v 1.42 2002/05/23 22:21:11 root Exp $) with SMTP id g6MHv0P14038 for ; Mon, 22 Jul 2002 17:57:01 GMT Received: from FMSMSX017.fm.intel.com ([132.233.42.196]) by fmsmsxvs041.fm.intel.com (NAVGW 2.5.2.11) with SMTP id M2002072210563913268 ; Mon, 22 Jul 2002 10:56:39 -0700 Received: by fmsmsx017.fm.intel.com with Internet Mail Service (5.5.2653.19) id <3DWCF8R6>; Mon, 22 Jul 2002 10:56:57 -0700 Message-ID: <3D386AED1B47D411A94300508B11F18703BC5C11@fmsmsx116.fm.intel.com> From: "Balaji, Pavan" To: "'Brian T. Schellenberger'" , Jens Rehsack , Philip Hallstrom Cc: freebsd-questions@FreeBSD.ORG Subject: RE: If a disk is mounted read only is it possible to corrupt it? Date: Mon, 22 Jul 2002 10:56:56 -0700 MIME-Version: 1.0 X-Mailer: Internet Mail Service (5.5.2653.19) Content-Type: text/plain; charset="iso-8859-1" Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG Corruption need not necessarily be s/w based. If your reader/writer is screwed up, it might still corrupt it. Guess, I'm too paranoid ;-) Pavan Balaji, Intel Corporation "Only the Paranoid Survive" -- Andy Grove > -----Original Message----- > From: Brian T. Schellenberger [mailto:bts@babbleon.org] > Sent: Monday, July 22, 2002 8:17 AM > To: Jens Rehsack; Philip Hallstrom > Cc: freebsd-questions@FreeBSD.ORG > Subject: Re: If a disk is mounted read only is it possible to corrupt > it? > > > On Monday 22 July 2002 06:23 am, Jens Rehsack wrote: > | Philip Hallstrom wrote: > | > Hi all - > | > This seems like an obvious answer, but I didn't > see anything in > | > the man pages or the FQ so... > | > > | > If I mount *all* of my partitions as read only (ignoring > the problems of > | > needing to write log files, etc. for now) and then cut > the power to the > | > server, is there any chance of corrupting the disk? It seems that > | > FreeBSD wouldn't do it, but would the disk itself do it? > | > | That depends on the disk you're using. If you have problem with your > | power supply, you should better think 'bout an uninterruptable power > | supply. > > Unless there is a power surge or physical trauma, a disk most > certainly should > not be capable of "self-corrupting" unless a write has been > issued, and if > they are mounted r/o then FreeBSD will never issue a write. > > > > -- > Brian, the man from Babble-On . . . . bts@babbleon.org (personal) > http://www.babbleon.org > > http://www.eff.org > http://www.programming-freedom.org > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message