Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!uunet!zds-ux!gerry
From: gerry@zds-ux.UUCP (Gerry Gleason)
Newsgroups: comp.unix.i386
Subject: Re: ESDI caching disk controllers: Reprise
Keywords: ESDI cache
Message-ID: <300@zds-ux.UUCP>
Date: 4 May 90 16:31:59 GMT
References: <274@caslon.cs.arizona.edu> <873@sixhub.UUCP> <1424@ssbn.WLK.COM> <1736@serene.UUCP> <263E613E.23840@paris.ics.uci.edu> <1990May3.050416.14124@pegasus.com>
Reply-To: gerry@zds-ux.UUCP (Gerry Gleason)
Organization: Zenith Data Systems
Lines: 13

In article <1990May3.050416.14124@pegasus.com> richard@pegasus.UUCP (Richard Foulk) writes:
>>> With a 768K cache memory on one card I routinely get 32% cache hits
>>> and with 4Mb on the one in ssbn I get 48-52% cache hits.

>The disk cache is certainly a win with MESS-DOS since it doesn't have
>any idea what to do with more memory.  I think that's where these
>boards are coming from.

Not quite, there are caching drivers that can be installed on top of your
regular drivers.  We ship such a thing with DOS, but don't ask me about
it since I haven't even used it.

Gerry Gleason