Re: Strange Disk Performance Help!

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Article #2074

#2074

From: Mike Iglesias
Date: Tue, 18 Sep 1990 21:20

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A rep from Maxtor came out and turned off the read cache disable bit
in the Maxtor XT-8380s drive we had, and it improved the read speed
(for a dd of the raw a partition to /dev/null) quite a bit - 394kb/sec
vs. 1.2mb/sec!  Using rzdisk -c ask /dev/rrz?c should work - I didn't
actually update the disk, but it did ask me about changing the read
cache disable bit.



Mike Iglesias
University of California, Irvine
Internet:    iglesias@orion.oac.uci.edu
BITNET:      iglesias@uci
uucp:        ...!ucbvax!ucivax!iglesias

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!usc!orion.oac.uci.edu!iglesias
From: iglesias@orion.oac.uci.edu (Mike Iglesias)
Newsgroups: comp.sys.dec
Subject: Re: Strange Disk Performance Help!
Message-ID: <26F68FB5.18812@orion.oac.uci.edu>
Date: 18 Sep 90 21:20:53 GMT
References: <15500017@hpdmd48.boi.hp.com> <373@decvax.decvax.dec.com.UUCP>
Reply-To: iglesias@orion.oac.uci.edu (Mike Iglesias)
Organization: University of California, Irvine
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