Medusa accounts can be requested using the
Ligo Scientific Collaboration Virtual Organization Computer Resource Request Form
Users are encouraged to connect to the Medusa cluster
using Grid tools. These tools are included in the
LSC DataGrid Client
package. You should install the package on your local workstation or laptop.
To use the tools in the LSC DataGrid Client package you will need
a DOEGrids Personal
Certificate for authentication. If you need to obtain a DOEGrids Personal Certificate,
please navigate to LSC
Data Grid web site
Getting a Digital Certificate
for instructions. Grid-enabled versions of SSH, FTP and other tools are available to make life easier. Please see:
Quick Introduction to LSC DataGrid Client Tools
for full instructions on how to obtain and install the software.
Currently the Medusa cluster has 296 slave nodes and a number of master nodes, but you MUST log into hydra and not one of the other masters. We have a web page with documentation regarding accessing the cluster. Documentation for users is minimal, but under development, so suggestions are welcome:
Your home directory is visible from all machines, so you should be able to pick up auxilliary files from there as you need to. If you have problems with the system, please submit a problem report by going to our web page and following the link at the top of the navigation bar; use guest/guest as the user/passwd and change the database toggle switch to medusa. We will deal with the issue as time permits. Please attempt to understand the classifications of bugs and use the appropriate urgency identification.
Also, a few rules about our system: