From owner-freebsd-questions Sat Feb 1 8:19:43 2003 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 0756237B401 for ; Sat, 1 Feb 2003 08:19:42 -0800 (PST) Received: from rwcrmhc53.attbi.com (rwcrmhc53.attbi.com [204.127.198.39]) by mx1.FreeBSD.org (Postfix) with ESMTP id 73F4143F3F for ; Sat, 1 Feb 2003 08:19:41 -0800 (PST) (envelope-from freebsd-questions-local@be-well.no-ip.com) Received: from be-well.ilk.org (lowellg.ne.client2.attbi.com[24.147.188.198]) by rwcrmhc53.attbi.com (rwcrmhc53) with ESMTP id <20030201161940053003l1t9e>; Sat, 1 Feb 2003 16:19:40 +0000 Received: from be-well.ilk.org (lowellg.ne.client2.attbi.com [24.147.188.198] (may be forged)) by be-well.ilk.org (8.12.6/8.12.6) with ESMTP id h11GJdEC030748 for ; Sat, 1 Feb 2003 11:19:39 -0500 (EST) (envelope-from freebsd-questions-local@be-well.no-ip.com) Received: (from lowell@localhost) by be-well.ilk.org (8.12.6/8.12.6/Submit) id h11GJd1u030745; Sat, 1 Feb 2003 11:19:39 -0500 (EST) X-Authentication-Warning: be-well.ilk.org: lowell set sender to freebsd-questions-local@be-well.ilk.org using -f To: freebsd-questions@freebsd.org Subject: Re: How to map bad sectors on IDE? References: From: Lowell Gilbert Date: 01 Feb 2003 11:19:39 -0500 In-Reply-To: Message-ID: <44k7gkq8h0.fsf@be-well.ilk.org> Lines: 20 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii 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 John Mills writes: > out of circulation. 'apropos badblocks' and 'man fsck' failed to suggest > such a function in fBSD, but it might be worth more looking. badsect(8) > > Why is it radical? After all, IDE disks already do bad-block > > remapping internally, so you've built up a *lot* of bad sectors > > already if they're starting to become visible to the operating > > system... > > Does fBSD's file system creation make sure that all blocks of a newly > created file system are in fact usable? I would be surprised if there were > no cross checks in the formatting/partitioning/fs-creation path. If the > bad blocks weren't linked in the new filesystem, they would have become > invisible for practical purposes. newfs doesn't make any such attempts any more, *because* the hardware has already done it for them. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message