Date: Wed, 27 Jul 2005 16:05:48 +0900 From: Eric Kjeldergaard <kjelderg@gmail.com> To: Richard Lupton <r.lupton@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: Laptop mode for FreeBSD Message-ID: <d9175cad050727000567978ab7@mail.gmail.com> In-Reply-To: <303718d9050725094456d67baf@mail.gmail.com> References: <303718d9050725094456d67baf@mail.gmail.com>
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On 7/26/05, Richard Lupton <r.lupton@gmail.com> wrote: > Hello, >=20 > I have an old NEC Versa LX laptop with a very noisy disk. Mostly from > the point of view of making it quieter, rather than saving power, I > would like to let the disk spin down in the same way as laptop_mode > does for linux. > I can set the standby time and power saving options for the disk using > ataidle, but the disk doesn't stay spun down for any length of time. > Does anyone know of an equivalent to laptop_mode, or alternatively the > appropriate sysctls to postpone disk access? >=20 AFAIK, one doesn't exist. Feel free to write one. Anyways, in a more productive manner...By disabling things that poll disk (cron, for instance), disabling access times (mount with noatime), and intelligent use of ramdisks, the disk can spend a lot of time spun down. --=20 If I write a signature, my emails will appear more personalised.
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