From: norman@oclsc.org (Norman Wilson)
To: tuhs@tuhs.org
Subject: Re: [TUHS] VFS prior to 1984
Date: Wed, 24 Jun 2020 14:31:34 -0400 (EDT) [thread overview]
Message-ID: <20200624183134.7B27E4422E@lignose.oclsc.org> (raw)
Reaching outside of UNIX, RSX/11 used external
supervisor-mode processes called ACPs (ancillary
control processes) to implement file systems.
I don't know exactly how they were plugged in,
but I do know they were pluggable, so their
interface must have constituted a file-system
switch of some sort. RSX dates back into the
1970s.
At some point in the latter part of the 1980s,
Ralph Stamerjohn (a name instantly recognizable
in the 16-bit DEC software world) gave a DECUS
talk about implementing a remote file system
through ACPs: a stub ACP on the client exporting
RPCs over the network, a real one at the server
end. I remember chatting with him about how
that did and didn't resemble the way pjw had
done it; interesting architectural comparison.
Norman Wilson
Toronto ON
next reply other threads:[~2020-06-24 18:33 UTC|newest]
Thread overview: 56+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-24 18:31 Norman Wilson [this message]
2020-06-25 6:22 ` arnold
-- strict thread matches above, loose matches on Subject: below --
2020-06-29 9:11 Paul Ruizendaal
2020-06-29 14:45 ` Larry McVoy
2020-06-29 14:53 ` Paul Ruizendaal
2020-06-29 15:14 ` Larry McVoy
2020-06-29 16:34 ` Heinz Lycklama
2020-06-25 20:25 Noel Chiappa
2020-06-26 5:49 ` Lars Brinkhoff
2020-06-26 8:34 ` Dave Horsfall
2020-06-26 11:13 ` arnold
2020-06-25 20:23 Noel Chiappa
2020-06-25 19:31 Noel Chiappa
2020-06-24 17:51 Noel Chiappa
2020-06-24 18:13 ` Richard Salz
2020-06-24 18:46 ` Lars Brinkhoff
2020-06-24 14:31 Noel Chiappa
2020-06-24 15:21 ` Clem Cole
2020-06-23 22:17 Norman Wilson
2020-06-23 22:24 ` Dave Horsfall
2020-06-24 4:09 ` Warner Losh
2020-06-24 5:10 ` Dave Horsfall
2020-06-24 5:33 ` Bakul Shah
2020-06-24 9:10 ` Andrew Warkentin
2020-06-23 9:09 Paul Ruizendaal
2020-06-23 14:01 ` Larry McVoy
2020-06-23 15:12 ` Clem Cole
2020-06-23 15:55 ` Rich Morin
2020-06-23 20:38 ` Rob Pike
2020-06-23 20:57 ` Larry McVoy
2020-06-24 5:14 ` arnold
2020-06-24 21:08 ` Dave Horsfall
2020-06-24 19:30 ` Clem Cole
2020-06-24 19:36 ` Larry McVoy
2020-06-25 6:52 ` Rob Gingell
2020-07-05 0:05 ` Dave Horsfall
2020-07-05 0:16 ` Larry McVoy
2020-07-06 4:42 ` Dave Horsfall
2020-07-06 16:51 ` Chris Torek
2020-07-07 1:07 ` Bakul Shah
2020-07-05 1:43 ` Clem Cole
2020-07-05 14:43 ` Larry McVoy
2020-07-05 18:40 ` Arthur Krewat
2020-07-05 20:08 ` Clem Cole
2020-07-05 20:42 ` John Cowan
2020-07-05 21:04 ` Clem Cole
2020-07-05 21:14 ` Dan Cross
2020-06-24 16:51 ` Anthony Martin
2020-06-24 17:31 ` Anthony Martin
2020-06-24 18:31 ` Paul Ruizendaal
2020-06-25 0:56 ` Rob Gingell via TUHS
2020-06-24 19:05 ` Paul Ruizendaal
2020-06-24 20:27 ` Derek Fawcus
2020-06-24 21:33 ` Greg A. Woods
2020-06-25 0:45 ` Adam Thornton
2020-06-25 19:40 ` Greg A. Woods
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