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From: gdonl@sunrise.ssi1.com (Don Lewis)
Newsgroups: comp.unix.bsd,comp.sys.laptops
Subject: Re: power conservation for laptos running unix?
Message-ID: <1992Jul28.052958.24132@ssigv.UUCP>
Date: 28 Jul 92 05:29:58 GMT
References: <1992Jul24.175013.14718@tfs.com>
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Organization: Silicon Systems, Nevada City CA
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In article <1992Jul24.175013.14718@tfs.com> paigen@tfs.com (David Paigen) writes:
>
>I am interested in running unix on a laptop. A major concern
>is battery life.
>Obviously, the 30 sync cycle is likely to keep the disk powering
>up & down all the time, or to keep it on all of the time.
If there are no dirty buffers, then sync shouldn't need to start
up the disk to write anything. If there are dirty buffers, then
you probably want to spin up the disk to write them anyway. Not
updating file access times (or deferring the actual update) might
be a win though.
--
Don "Truck" Lewis Phone: +1 916 478-8284 Silicon Systems
Internet: gdonl@ssi1.com FAX: +1 916 478-8290 138 New Mohawk Road
UUCP: {uunet,tektronix!gvgpsa.gvg.tek.com}!ssigv!gdonl Nevada City, CA 95959