Return-Path: Received: (majordomo@vger.rutgers.edu) by vger.rutgers.edu via listexpand id ; Mon, 31 Jul 2000 10:56:03 -0400 Received: by vger.rutgers.edu id ; Mon, 31 Jul 2000 10:55:10 -0400 Received: from pec-58-36.tnt4.b2.uunet.de ([149.225.58.36]:2791 "EHLO router.abc") by vger.rutgers.edu with ESMTP id ; Mon, 31 Jul 2000 10:54:01 -0400 Message-ID: <39859644.340AE15E@baldauf.org> Date: Mon, 31 Jul 2000 17:07:49 +0200 From: Xuan Baldauf Organization: Medium.net X-Mailer: Mozilla 4.74 [en] (Win98; U) X-Accept-Language: en,de-DE MIME-Version: 1.0 To: Matthias Andree Cc: reiserfs@devlinux.com, linux-kernel@vger.rutgers.edu Subject: Re: (reiserfs) Re: sync: why disk cannot spin down References: <39858A9F.C272E4E8@baldauf.org> <20000731163127.G2224@lxMA.mediaways.net> <3985919F.3ADB81AD@baldauf.org> <20000731165300.I2224@lxMA.mediaways.net> Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Sender: owner-linux-kernel@vger.rutgers.edu Content-Length: 1227 Lines: 34 Matthias Andree wrote: > 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. But I never wanted it to be in sleep (rather than standby) mode, my original intent was to bring the system to a state where spin ups are only done when necessary. Someone said something about noflushd, but I could not find any links or rpm packages, does anybody have...? Maybe the off-topic discussion is going to be off-topic of the off-topic... ;o) Xu?n.:o) - 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/