MHPCC
Riptide & US Maintenance - Wednesday, April 22nd, 2015
13 April 2015
The MHPCC Riptide system will be undergoing scheduled maintenance on Wednesday, April 22nd, 2015 from 0800 – 2200, (HST).

Logins to Riptide will be suspended starting at 0730 (HST).

Please plan accordingly.

If you have any questions about this informational message, please contact the Consolidated Customer Assistance Center (CCAC). The CCAC can be reached via any of the following methods:

- http://centers.hpc.mil/about/contact.html
- 1-877-222-2039
- help@ccac.hpc.mil

Thank you,
MHPCC User Services
CCAC to Become HPC Help Desk - Monday, May 18th, 2015
31 March 2015
The Consolidated Customer Assistance Center is Getting a New Name.

In order to more accurately describe the services provided, the Consolidated Customer Assistance Center (CCAC) will be renamed the "HPC Help Desk." This change will be effective 18 May, 2015.

On this date, access to the HPC Help Desk ticket system will change from the current location (https://help.ccac.hpc.mil) to the new https://helpdesk.hpc.mil. Accordingly, the email address to contact the HPC Help Desk will be help@helpdesk.hpc.mil.

The old URL and email address will remain available with auto forwarding and redirection for a period of time, but you are encouraged to update your bookmarks and contacts with these new addresses starting 18 May 2015.

The phone number, 1-877-222-2039, will remain the same.

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Information About The Riptide System

Riptide is an IBM iDataPlex. The login and compute nodes are populated with two Intel Sandy Bridge 8-core processors. Riptide uses the FDR 10 Infiniband interconnect and uses IBM's General Parallel File System (GPFS). Riptide has 756 compute nodes with Direct Water Cooling; memory is not shared across the nodes. Each diskless compute node has two 8-core processors (16 cores) with its own Red Hat Enterprise Linux OS, sharing 32 GBytes of memory. Riptide is rated at 251.6 peak TFLOPS.

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