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Read announcements for NREL’s high-performance computing (HPC) system users. 

Data Transfer Queue

March 08, 2018

A new queue “data-transfer” is available for peregrine users to transfer data between lustre file systems (projects, scratch) and MSS. Continue reading


January 11, 2018

We now have a notification method that users can configure and maintain if you want notifications for files that will be removed within 7 days. Continue reading

Please Move Inactive Files Off the /projects File System

January 11, 2018

The /projects file system is a shared resource. Projects with node hour allocations on Peregrine request allocations of space on /projects. Because our data retention policy allows expired projects three months to move their data off Peregrine, each year when new projects start on November 1, we have projects from the previous year still occupying space. This year this has created a space crunch — the file system is now about 90% full and we need your help to free up space. If the file system fills up, many users will be impacted.

Continue reading

Direct Access to Peregrine for External Users

January 11, 2018

External users can now SSH directly to a Peregrine login node with ssh. Continue reading

Peregrine Queue Changes

November 28, 2017

Based on the Annual User survey feedback to increase the throughput of larger jobs on Peregrine, after careful consideration we decided that the best path is to disable the large queue and move the nodes from the "large" queue to the "batch-h" queue and boost the node weight, which effectively increases the priority of jobs that request a large number of nodes. The large queue was disabled during the October System time on Peregrine. Continue reading