Atlas Server Matrix

This matrix tries to summarize the current situation of Atlas, i.e. which server are available

nameSorted descending cores freq RAM disk CE CS E I specials
titan3 8 16 2.27 400 X X   X  
titan2 8 16 2.3 400 X X X X  
titan1 8 16 2.3 400 X X X X  
nXXXX 4 8 2.4 400 X       n0001..n1675
gpuXXX 4 2.0 12 600 X       gpu001..gpu066, 4 GPGPU cards, details available through Condor
gpudevX 4 8 2.33/2.4 400       X 2 GPGPUs, developer machines with special allocation, don't use w/o asking!
atlas4 8 2.33 16 7500   X X X Condor master, please take care(!)
atlas3 8 2.33 16 7500   X X X gsiftp,www,testing
atlas2 8 2.33 16 7500   X X X  
atlas1 8 2.33 16 7500   X X X gsiftp,www

Columns:
name
name of the machine, should always work for the inside, i.e. ssh , if externally accessible, try the suffix .atlas.aei.uni-hannover.de
cores
number of processor cores
RAM
amount of installed RAM [GB]
freq
single core frequency [GHz]
disk
amount of disk space installed (usable by user, usually available under /local/user)
CE
Condor execute machine, number of slots denoted; usually the user does not need to log into these nodes
CS
Condor submit machine
E
machine is connected externally
I
machine intended for interactive usage (please take core not to overwhelm the machine(!))
specials
gsiftp
Grid FTP server (port range 40000-45000)
www
http/https server, serves ~/WWW as ~username (http/https) and ~/WWW/LSC as ligo.org protected ~username/LSC/ (only https)
testing
This machine is running packages from the -proposed branch, thus you might encounter problems from time to time!
Condor master
This is the main Condor machine doing the brokerage between jobs and resources, don't bring this machine down!
GPGPU
These machines have either Nvidia C1060 or C2050 cards installed
NAME..NAME
Range of available machines, e.g. n0001..n1675 means nodes n0001, n0002, n0003, ..., n1675 are meant

-- CarstenAulbert - 06 Dec 2010
Topic revision: r3 - 07 Dec 2010, CarstenAulbert
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