What is coyote?

coyote is about 568 cores spread over 70+
nodes. the queue-system is torque (ie, pbs) and not
sge (like darwin), but the translation should not
cause you any suffering.

there are also three (3) large-memory interactive
nodes, viz super-genius, mega-genius, and ultra-genius.
sg has 64G ram and the others 192G.

Cluster rules & etiquette

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Amy Keating, a BE faculty member, administers coyote. She has four rules for the cluster:

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There is a node set aside for interactive work. You can get there by ssh super-genius.

The folder /tmp is free for use, but you are asked to clean up after yourself.

 

Things to note

• You can ssh to coyote only from MIT IP addresses. This means you either need to be on campus or be connected via the MIT VPN. (This was to mitigate security attacks on the cluster.)
• The default shell on coyote is tcsh. To change to bash, issue: chsh -p /bin/bash my_username. You might need to use usermod rather than chsh.

Getting started

• Wiki MarkupEmail Greg (a.k.a. "\[greg\]") [mailto:bio-admin@techsquare.com]. Greg will request confirmation that you're in the lab, so it's best if you immediately cc a lab member that Greg already knows.
• Consider adding coyote to you ~/.ssh/config file.
• Consider joining the coyote-users mailman list.
• Make sure you understand the difference between the head node and the queues before you start doing any work.

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To: coyote-users@mit.edu
From: bio-admin@techsquare.com
Date: Mon, 02 May 2011 08:54:49 -0400
Subject: coyote returns

hello coyote users-

one of the storage-machines at coyote
fell over yesterday, rendering coyote
pretty much useless.

i believe that we are returned to service
now, but please let me know if you notice
anything untowards...unmigrated-wiki-markup

\[greg\]