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From: mangler@cit-vax.Caltech.Edu (System Mangler)
Newsgroups: comp.periphs
Subject: Re: Super Eagles??  Not for me!  ... (Come now...)
Message-ID: <3214@cit-vax.Caltech.Edu>
Date: Mon, 13-Jul-87 05:52:46 EDT
Article-I.D.: cit-vax.3214
Posted: Mon Jul 13 05:52:46 1987
Date-Received: Tue, 14-Jul-87 01:44:38 EDT
References: <673@uhccux.UUCP> <6066@hc.DSPO.GOV>
Organization: California Institute of Technology
Lines: 30
Summary: Fujitsu disk drive families

In article <6066@hc.DSPO.GOV>, tomlin@hc.DSPO.GOV (Bob Tomlinson) writes:
> An oversimplification is that the 2331/2333s are the 8" version of the
> 2361s (Super Eagles).

The 2333 is an RLL version of the 2322, just as the 2361 is an RLL
version of the 2351, and the 2298 is an RLL version of the 2294.
In each case, the geometry stayed the same, and the old and new
drives look very similar.  The family resemblance is striking
even back to the previous generation, where they raised the number
of platters (from the 2321 to the 2322, and the 2284 to the 2294).

In both the 2333 and the 2298, they increased the flux density at the
same time that they introduced RLL, to get double the density instead
of the factor of 1.5 gained by RLL alone.

> I guess what I'm saying is that Fujitsu and companies OEMing the Fujis
> just seem to have jumped the gun (probably based on the Eagle's reputation)
> and started shipping the drives too soon.

When our 2298 started getting errors, I was shocked to find that it was
only serial #28.  I shudder to think how low the serial number might
have been on the disk that didn't survive the moving truck...  Either
Emulex sold us a beta-test unit without saying so, or Fujitsu is just
skipping the beta tests.

Has anyone else had problems with the 2298?  I love stories...
(Actually, 1.5 years before troubles seems pretty good for an
early-production drive).

Don Speck   speck@vlsi.caltech.edu  {seismo,rutgers,ames}!cit-vax!speck