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From: krowitz@mit-richter.UUCP (David Krowitz)
Newsgroups: comp.sys.apollo
Subject: Re:  Updating Large Rings
Message-ID: <8709291632.AA14107@EDDIE.MIT.EDU>
Date: Tue, 29-Sep-87 11:26:39 EDT
Article-I.D.: EDDIE.8709291632.AA14107
Posted: Tue Sep 29 11:26:39 1987
Date-Received: Thu, 1-Oct-87 04:27:13 EDT
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I have a much smaller ring, but I use a technique which may be useful
when doing large installations. I read the release tapes of all of
base and optional software onto one of our DSP's and get it set up
the way we like it. From that DSP I then install the software onto another
DSP (I now have two nodes with complete sets of software). I then pop up a
second window and do installations to two more nodes simultaneously. I then
pop up two more windows and do four installations at once. At this point, I've
run out of space for comfortably sized windows on my screen so I grab another
node and pop up four windows on it. Using two nodes I now do eight installations
at once, and I'm finished. I've done 16 nodes in 4 steps (5 if you count reading
the original tapes) each of which take somewhat less than 2 hours. I could
finish 128 nodes in 7 steps (8 counting the tape reading) -- less than 16 hours
for the complete installation. The final installation (64 nodes installing to
64 additional nodes) requires four or 5 people each controlling about 4 nodes
with about four windows on each node. I can't keep track of more than about
a dozen installations at once by myself, but the installation scripts are 
reasonably automatic if you get the first couple of installations put
together correctly.


 -- David Krowitz

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