Return-Path: Received: (majordomo@vger.rutgers.edu) by vger.rutgers.edu via listexpand id ; Mon, 31 Jul 2000 10:35:13 -0400 Received: by vger.rutgers.edu id ; Mon, 31 Jul 2000 10:34:20 -0400 Received: from [195.71.101.13] ([195.71.101.13]:2062 "HELO lxMA.nowhere") by vger.rutgers.edu with SMTP id ; Mon, 31 Jul 2000 10:32:55 -0400 Date: Mon, 31 Jul 2000 16:53:00 +0200 From: Matthias Andree To: reiserfs@devlinux.com, linux-kernel@vger.rutgers.edu Subject: Re: (reiserfs) Re: sync: why disk cannot spin down Message-ID: <20000731165300.I2224@lxMA.mediaways.net> Mail-Followup-To: reiserfs@devlinux.com, linux-kernel@vger.rutgers.edu References: <39858A9F.C272E4E8@baldauf.org> <20000731163127.G2224@lxMA.mediaways.net> <3985919F.3ADB81AD@baldauf.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <3985919F.3ADB81AD@baldauf.org>; from xuan--reiserfs@baldauf.org on Mon, Jul 31, 2000 at 16:47:59 +0200 Sender: owner-linux-kernel@vger.rutgers.edu Content-Length: 829 Lines: 22 On Mon, 31 Jul 2000, Xuan Baldauf wrote: > Matthias Andree wrote: > You tell me the kernel starts missing drive ACKs even if there are no read > or write requests pending? Even then, the drive was never in sleep mode > (requires reset), it always was in standby mode (does not require reset). My > primary intent is to reduce the noise of the drive, not the power > consumption. Of course, if the kernel is not writing, it's not missing "operation complete" transactions. My point is: putting a drive to sleep rather than to standby will not help much, it will only delay the spin-up and possibly leave you with a slower drive. -- Matthias Andree - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/