The ORCA resources consist of the following:
titan.orca.offn.onenet.net: the login node
38 Broadwell-based compute nodes, each with 128GB of memory and dual 20-core CPUs.
280 Sandybridge-based compute nodes, each with 128GB of memory and dual 8-core CPUS.
/scratch A BeeGFS Parallel File System with 724 TB of capacity. Accessible by all nodes.
DTN (dtn.orca.offn.onenet.net) A Data Transfer Node with 100 GbE connectivity to the OFFN fabric and Internet2.