Thursday, December 22, 2011

a cautionary tale about storage and backup

This type of activity never happens inside of our research computing shop! This video is purely hypothetical, no faculty or research computing associates were harmed in the making of this movie.


All characters appearing in this work are fictitious. Any resemblance to real persons, living or dead, is purely coincidental.

Thursday, December 1, 2011

openlava: not your fathers scheduler!

WARNING THIS IS A TEASER

This is blog post number one in a series of many more to come!

Very exciting things are ahead

http://openlava.net/

We aim to make this code run on 14,000 CPU.

jcuff@srv:~$ cd lava/
jcuff@srv:~/lava$ source etc/openlava.sh 

jcuff@srv:~/lava$ lsid
Platform Lava 1.0, Oct 20 2010
Copyright 2007 Platform Computing Corporation

My cluster name is openlava
My master name is srv

jcuff@srv:~/lava$ bqueues
QUEUE_NAME  PRIO  STATUS        MAX JL/U JL/P JL/H NJOBS  PEND   RUN  SUSP 
priority    170   Open:Active    -    -    -    -     0     0     0     0
priority_no 120   Open:Active    -    -    -    -     0     0     0     0
default       1   Open:Active    -    -    -    -     0     0     0     0

jcuff@srv:~/lava$ lsload
HOST_NAME  status  r15s   r1m  r15m   ut    pg  ls  it   tmp   swp   mem
srv            ok   0.0   0.0   0.1   0%   0.0   1   0  692G 8000M 5963M

UPDATE Dec 2nd, 1:02am:
https://twitter.com/#!/jamesdotcuff/status/142481751044927488


[any opinions here are all mine, and have absolutely nothing to do with my employer]
(c) 2011 James Cuff