Slow RA 90 disks on DECsystem 5XXX

[George Robbins]

In article <1990Dec17.163638.8785 at ircam.fr> fingerhu at ircam.fr (Michel Fingerhut) writes:
> In article <28662 at mimsy.umd.edu> chris at 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 at cbmvax.commodore.com
Commodore, Engineering Department     phone:  215-431-9349 (only by moonlite)