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From: grr@cbmvax.commodore.com (George Robbins)
Newsgroups: comp.unix.ultrix
Subject: Re: Slow RA 90 disks on DECsystem 5XXX
Message-ID: <16610@cbmvax.commodore.com>
Date: 17 Dec 90 21:24:57 GMT
References: <1990Dec12.194341.18284@bernina.ethz.ch> <28662@mimsy.umd.edu> <1990Dec17.163638.8785@ircam.fr>
Reply-To: grr@cbmvax.commodore.com (George Robbins)
Distribution: comp
Organization: Commodore, West Chester, PA
Lines: 17

In article <1990Dec17.163638.8785@ircam.fr> fingerhu@ircam.fr (Michel Fingerhut) writes:
> In article <28662@mimsy.umd.edu> chris@mimsy.umd.edu (Chris Torek) writes:
> >	DEC have never produced a fast RA disk, with any setup.
> 
> We have a 5820, whoops 5810, with 4 ra90.  Whenever there is any higher-than-casual
> disk activity, the load average, from system activity, shoots up.  Like, when compi-
> ling...

But the MIPS compilers are real CPU/memory hogs - hard to separate
this from the disk usage factors.  I find that doing backups from
HSC/RA90's doesn't seem to have much effect on the interactive
response time.

-- 
George Robbins - now working for,     uucp:   {uunet|pyramid|rutgers}!cbmvax!grr
but no way officially representing:   domain: grr@cbmvax.commodore.com
Commodore, Engineering Department     phone:  215-431-9349 (only by moonlite)