* [9fans] original cpu server
@ 2009-11-02 13:56 erik quanstrom
2009-11-02 14:53 ` Rob Pike
2009-11-02 16:25 ` Benjamin Huntsman
0 siblings, 2 replies; 3+ messages in thread
From: erik quanstrom @ 2009-11-02 13:56 UTC (permalink / raw)
To: 9fans
while on the subject of ancient things,
does anyone know what hardware the
first (or even proto-) cpu server ran on?
i hope i haven't missed the answer in
the archive.
- erik
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [9fans] original cpu server
2009-11-02 13:56 [9fans] original cpu server erik quanstrom
@ 2009-11-02 14:53 ` Rob Pike
2009-11-02 16:25 ` Benjamin Huntsman
1 sibling, 0 replies; 3+ messages in thread
From: Rob Pike @ 2009-11-02 14:53 UTC (permalink / raw)
To: Fans of the OS Plan 9 from Bell Labs
the first attempt was on a multi-headed vax whose model number escapes
me. it was pretty foul architecturally.
in early 1989 a restart was done for the 25-MHz mips CPU inside a
4-headed SGI shared-memory multiprocessor. the CPU had no
synchronizing instructions but the SGI machine had a special piece of
shared memory with locking properties. the kernel muxed locks onto
sections of that memory. that system became real. a second machine
became the file server.
-rob
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [9fans] original cpu server
2009-11-02 13:56 [9fans] original cpu server erik quanstrom
2009-11-02 14:53 ` Rob Pike
@ 2009-11-02 16:25 ` Benjamin Huntsman
1 sibling, 0 replies; 3+ messages in thread
From: Benjamin Huntsman @ 2009-11-02 16:25 UTC (permalink / raw)
To: Fans of the OS Plan 9 from Bell Labs
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>does anyone know what hardware the
>first (or even proto-) cpu server ran on?
I thought the original CPU server was the SGI Power 4D, with the i960-based optical connection.
...unless there was something older?
-Ben
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2009-11-02 13:56 [9fans] original cpu server erik quanstrom
2009-11-02 14:53 ` Rob Pike
2009-11-02 16:25 ` Benjamin Huntsman
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