Micropolis 2gig drive problems

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#4963

From: Paul Lansky
Date: Mon, 11 Jan 1993 22:16

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We just took delivery of a Micropolis ASI-500L 
2 Gig (formats to 1.7 gig) drive.  It is plug
and play and comes up with no problems.  
What is wrong is that it is quite slow on 
non sequential transfers.  That is cating
a big file to /dev/null (using dd) yields
only about a 400kbyte per second transfer
rate.  This is very slow.  Our wrenVII gives
us almost a meg a second under these conditions.

The NeXT disk utility program, on the other
hand shows a 1.5 meg per second transfer
on sequential transfers, but this is 
not how life works.  The disk is formatted
at 512k.

Anyone have any experiences or recommendations
on this?

Thanks

Paul Lansky
paul@princeton.edu

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Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!pacific.mps.ohio-state.edu!linac!att!princeton!phoenix.Princeton.EDU!paul
From: paul@phoenix.Princeton.EDU (Paul Lansky)
Subject: Micropolis 2gig drive problems
Message-ID: <1993Jan11.221635.25706@Princeton.EDU>
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Date: Mon, 11 Jan 1993 22:16:35 GMT
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