Date: Fri, 09 Oct 1998 08:37:20 +0200 From: Marius Bendiksen <Marius.Bendiksen@scancall.no> To: "David E. Cross" <crossd@void.cs.rpi.edu> Cc: freebsd-current@FreeBSD.ORG Subject: Re: CDROM as system disk Message-ID: <3.0.5.32.19981009083720.00929a20@mail.scancall.no> In-Reply-To: <Pine.SGI.4.04.9810081555490.1189-100000@void.cs.rpi.edu> References: <199810081905.MAA26707@usr08.primenet.com>
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>Slight problem, disk caching. If you are going to ping the drive every N >time units as a 'keep-alive', those blocks will very quickly get cached; >unless you devise some clever algorithm that will always ensure that you >get a block not in the cache (consider the cache could me a megabyte or >more in size, and this gets tricky) So, we'll need some function to flush the cache, or do uncached i/o... --- Marius Bendiksen, IT-Trainee, ScanCall AS To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
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