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- Newsgroups: comp.sys.sgi
- Path: sparky!uunet!stanford.edu!kronos.arc.nasa.gov!iscnvx!news
- From: cunning@arthur (Dave Cunningham)
- Subject: Re: CDC Drive Parameters
- Message-ID: <1992Aug20.003115.19242@iscnvx.lmsc.lockheed.com>
- Sender: news@iscnvx.lmsc.lockheed.com (News)
- Organization: Lockheed Missiles and Space Co.
- X-Newsreader: Tin 1.1 PL4
- References: <ooj77q8@zuni.esd.sgi.com>
- Date: Thu, 20 Aug 92 00:31:15 GMT
- Lines: 23
-
- olson@anchor.esd.sgi.com (Dave Olson) writes:
-
- : | My in-company computer repair folks replaced my failing 380 Mb system
- : | disk on a 4D20 with with a similar one last used on a sun. It's the
- : | same model (CDC 94171-9) but with a different firmware rev. (0045).
- :
- : Stuff deleted...
- :
- : Error retry of 16 is strange, since that drive wants a multiple
- : of 3. readahead enabled is something you definitely want for
- : performance.
-
- Does the advice about readahead apply to drives shipped by SGI in
- late '89 that have it disabled ? I have several 94161-9s and 94171-9s
- that came with it turned off. (they shipped with 4D20s). Presumably
- there was a reason for turning it off back then, but it may have been
- an Irix software issue. Anyone remember ?
-
- --
- #include <standard_disclaimer.h>
-
- Dave Cunningham cunning@arthur.msd.lmsc.lockheed.com
- Lockheed Missiles and Space Co. O/81-10, B/157-5E, (408)-756-1382
-