From owner-freebsd-mobile Thu May 6 22:10:24 1999 Delivered-To: freebsd-mobile@freebsd.org Received: from WEBBSD1.turnaround.com.au (webbsd1.turnaround.com.au [203.39.138.49]) by hub.freebsd.org (Postfix) with ESMTP id B778214D2A; Thu, 6 May 1999 22:10:19 -0700 (PDT) (envelope-from A_Johns@TurnAround.com.au) Received: from TurnAround.com.au (dhcp64.turnaround.com.au [192.168.1.64]) by WEBBSD1.turnaround.com.au (8.8.7/8.8.7) with ESMTP id PAA14416; Fri, 7 May 1999 15:20:54 +1000 (EST) (envelope-from A_Johns@TurnAround.com.au) Message-ID: <373275C5.D2C17F01@TurnAround.com.au> Date: Fri, 07 May 1999 15:10:29 +1000 From: Andrew Johns Organization: TurnAround Solutions P/L X-Mailer: Mozilla 4.5 [en] (WinNT; I) X-Accept-Language: en MIME-Version: 1.0 To: Eric Blood Cc: freebsd-mobile@FreeBSD.ORG, freebsd-questions@FreeBSD.ORG Subject: Re: Drive noise References: <14130.27194.311593.355249@pearl.citr.com> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: owner-freebsd-mobile@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org Eric Blood wrote: > > I've just installed FreeBSD 3.1 on a laptop and it sounds like the > heads of the drive are getting parked a lot. I've tried tracking down > how to increase the update time, but for some reason, sysctl doesn't > think there's a kern.update. How do I go about setting it? > > Is there anything else I can do to delay writing to the drive? Tuning > a filesystem parameter, or some sort memory cache parameter? > You might want to look at softupdates (write caching) available in 3.0 and above (if I remember correctly). -- Regards | _/\_/\ Andrew Johns BSc (Comp Sci) | / \ TurnAround Solutions Pty Ltd | \_...__/ http://www.turnaround.com.au/ | \/ "The box said 'Requires Windows 98, NT, Linux or better' so I installed FreeBSD." To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-mobile" in the body of the message