Date: Sun, 31 Oct 2004 23:50:47 +0000 From: "R. W." <list-freebsd-2004@morbius.sent.com> To: freebsd-questions@freebsd.org Subject: Re: Laptops as routers Message-ID: <200410312350.47732.list-freebsd-2004@morbius.sent.com> In-Reply-To: <Pine.NEB.4.61.0410311348580.1762@ukato.freeshell.org> References: <p0611040dbda9c3a61a55@[10.20.30.249]> <41853BC3.7040505@nbritton.org> <Pine.NEB.4.61.0410311348580.1762@ukato.freeshell.org>
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On Sunday 31 October 2004 21:54, Luke wrote: > > If you are worry about power consumption or reliability when using > > old computers I have some general tips for you: > > 1. Don't use a storage device that has spinning disks, instead use > > a CF card, Zip Drive/Disk, etc. > > http://www.cfide.co.uk/compact_flash_ide_adapters.shtml > > To go off on a bit of a tangent here, I find the idea of replacing > hard drives with flash memory intriguing. When I first heard someone > talk about doing this several years ago, the idea was quickly shot > down by people saying that flash memory has a very short lifetime > when you write to it. Even a system as minimal as a firewall will > require frequent write operations if it does any logging at all. > > Has this limitation been overcome in recent years? > Google isn't turning up any recent articles on this subject for me. I know that embedded OSs, like VxWorks, have dedicated flash filesystems that do "wear-levelling". These filesystems avoid having special physical locations, and make sure all date is occasionally moved around to prevent the concentration of damage. I believe that some flash storage devices have this built in to the hardware nowdays.
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