From owner-cvs-all Thu Jul 5 21:31: 8 2001 Delivered-To: cvs-all@freebsd.org Received: from critter.freebsd.dk (fw2.aub.dk [195.24.1.195]) by hub.freebsd.org (Postfix) with ESMTP id 1EF5637B405; Thu, 5 Jul 2001 21:31:01 -0700 (PDT) (envelope-from phk@critter.freebsd.dk) Received: from critter (localhost [127.0.0.1]) by critter.freebsd.dk (8.11.3/8.11.3) with ESMTP id f664Uan12034; Fri, 6 Jul 2001 06:30:46 +0200 (CEST) (envelope-from phk@critter.freebsd.dk) To: Peter Wemm Cc: Ben Smithurst , cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: Re: cvs commit: src/etc diskcheckd.conf In-Reply-To: Your message of "Thu, 05 Jul 2001 14:53:24 PDT." <20010705215324.448BA3809@overcee.netplex.com.au> Date: Fri, 06 Jul 2001 06:30:36 +0200 Message-ID: <12032.994393836@critter> From: Poul-Henning Kamp Sender: owner-cvs-all@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message <20010705215324.448BA3809@overcee.netplex.com.au>, Peter Wemm writes : >For what its worth, I have yet to see a modern drive that does do scrubbing >of marginal data. Ie: a soft error (ecc correctable) does not cause >a writeback that I have ever seen. > >[...] > >I am not sure that the basic assumption behind diskcheckd is valid.. Is >there any way to verify for sure that marginal sector scrubbing really >happens on at least some drives? diskcheckd is not designed or intended to do scrubbing, its goal has been reached if it does detection. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe cvs-all" in the body of the message