From owner-freebsd-hackers Tue Apr 2 00:16:35 1996 Return-Path: owner-hackers Received: (from root@localhost) by freefall.freebsd.org (8.7.3/8.7.3) id AAA19505 for hackers-outgoing; Tue, 2 Apr 1996 00:16:35 -0800 (PST) Received: from tfs.com (tfs.com [140.145.250.1]) by freefall.freebsd.org (8.7.3/8.7.3) with SMTP id AAA19484 Tue, 2 Apr 1996 00:16:29 -0800 (PST) Received: from critter.tfs.com by tfs.com (smail3.1.28.1) with SMTP id m0u40GE-0003xOC; Mon, 1 Apr 96 23:12 PST Received: from localhost.tfs.com (localhost.tfs.com [127.0.0.1]) by critter.tfs.com (8.6.12/8.6.12) with SMTP id GAA01576; Tue, 2 Apr 1996 06:32:40 GMT X-Authentication-Warning: critter.tfs.com: Host localhost.tfs.com didn't use HELO protocol To: "JULIAN Elischer" cc: Brett_Glass@ccgate.infoworld.com (Brett Glass), freebsd-hardware@FreeBSD.org, hackers@FreeBSD.org, bugs@FreeBSD.org Subject: Re: Changes to FreeBSD kernel to keep "green" drives on In-reply-to: Your message of "Mon, 01 Apr 1996 10:21:49 PST." <199604011821.KAA04704@ref.tfs.com> Date: Tue, 02 Apr 1996 06:32:40 +0000 Message-ID: <1574.828426760@critter.tfs.com> From: Poul-Henning Kamp Sender: owner-hackers@FreeBSD.org X-Loop: FreeBSD.org Precedence: bulk > I know phk has been looking at spin-up optimisatiosn.. > (e.g. if a drive takes more than a set time to come ready, assumen it was > spinning up and schedule a 'sync' to catch it while it's already going.. Actually The thing I did was an utterly disgusting hack "sleep-hack" that assumes that if the disk went to sleep, it will wake up with a different geometry. (workaround for a BIOS-bug). -- Poul-Henning Kamp | phk@FreeBSD.ORG FreeBSD Core-team. http://www.freebsd.org/~phk | phk@login.dknet.dk Private mailbox. whois: [PHK] | phk@ref.tfs.com TRW Financial Systems, Inc. Future will arrive by its own means, progress not so.