Re: Cacheing Hard Disk Controllers

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#192

From: Marc Mueller
Date: Thu, 10 Aug 1995 00:00

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ycheng@advansys.com (Yu-Ping Cheng)  wrote :
>                                          The purpose of cache is to
> avoid the hard disk access time -- normally around 15 msec.  Cache can
> be accessed in sub-milliesecond.

Yes, and if the OS wants to write to disk, a write-back hardware cache is  
a great speedup, a software cache is nonsense.


Marc
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From: MaMue@irata.Jena.Thur.De (Marc Mueller)
Subject: Re: Cacheing Hard Disk Controllers
Date: 1995/08/10
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