Date: Sun, 6 Feb 2005 14:59:19 +0100 From: Erik Trulsson <ertr1013@student.uu.se> To: freebsd-questions@freebsd.org Subject: Re: Leaving a Computer Running ? Message-ID: <20050206135919.GA47707@falcon.midgard.homeip.net> In-Reply-To: <1987126296.20050206144558@wanadoo.fr> References: <200502051745.25937.hindrich@worldchat.com> <LOBBIFDAGNMAMLGJJCKNAEEHFAAA.tedm@toybox.placo.com> <1088851878.20050206122453@wanadoo.fr> <200502061401.20967.mark.rowlands@mypost.se> <1987126296.20050206144558@wanadoo.fr>
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On Sun, Feb 06, 2005 at 02:45:58PM +0100, Anthony Atkielski wrote: > Mark Rowlands writes: > > MR> I use my gfs tights....... christ... I hope she's not subscribed here as > MR> well > > What type of material and weave? Tights = stockings? Hmm. I never > thought of that--by gosh, it might work! > > MR> yup.. but only on old scsi drives > > Unfortunately, my older machine has some of those "old SCSI drives." > The kind with connectors that nobody uses any more, apparently. > > Why are SCSI drives so out of style lately? Aren't they still the best > performers? Because SCSI drives are much more expensive counted in dollars/megabyte than ATA drives. The performance-gap between SCSI and IDE has also decreased quite a bit in recent years. A significant part of the performance advantage of SCSI over IDE is also simply because SCSI drives tend to have higher rotation speeds (10000 rpm or 15000 rpm compared to 7200 rpm for a typical IDE drive today.) The higher rpm means more noise and heat from the disk, making it less suitable for desktop machines. It is also worth noting that for the typical access patterns of single-user desktop machines the performance advantage of SCSI is quite small, and generally not worth the higher cost. It is for busy multi-user servers that SCSI really shines, which is a relatively small market. -- <Insert your favourite quote here.> Erik Trulsson ertr1013@student.uu.se
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