The National Institute for Computational Sciences

Nautilus Decommission FAQs

1. Why was Nautilus retired?
A. The funding for the Nautilus supercomputer ended on May 1, 2015. However, the login nodes will still be available for data transfers until September 15, 2015.


2. What happens to my HPSS data?
A. Data residing on HPSS is accessible via the login and Harpoon nodes on Nautilus.


3. What happens to my /lustre/medusa data?
A. Data on /lustre/medusa remains until it is subject to purge under the NICS data purging policy. Current users should make plans to archive or transfer files appropriately.


4. What are the recommended ways of transferring data from HPSS?
A. All useful data should be transferred from HPSS to /lustre/medusa and moved using commonly available tools and transfer mechanisms. A recommended transfer utility depends on the utilities available at the destination institution. For all XSEDE institutions, users should be encouraged to use gridftp and/or Globus Online file transfer mechanisms. A list of file transfer utilities that are available on Nautilus is located at


5. What happened to my Director Discretionary Nautilus allocation(s)?
A. PI's can request a new allocation on other NICS resources at


6. What should I do with my NICS token if no longer needed?
A. Users should hold on to their token if they need access to HPSS or other NICS systems. Otherwise please return the token to:
   National Institute for Computational Sciences
    Attn: Accounts
    Oak Ridge National Laboratory
    P.O. Box 2008, One Bethel Valley Road
    Oak Ridge, TN 37831-6173​

For more information on Nautilus Infrastructure, click here.