VAST
The VAST filesystem is the primary storage system for high performance needs within the PARCC ecosystem. Researchers will benefit from the performance of the VAST filesystem through faster access to datasets and software libraries.
System Specifications
| Component | Specification |
|---|---|
| Storage System | VAST Data Universal Storage |
| Usable Capacity | 2.5 PB (usable, post-data reduction) |
| C-Nodes (Compute Nodes) | 15× VAST C-Nodes |
| C-Node Function | Stateless front-end protocol servers (NFS, SMB, S3, RDMA, etc.) |
| C-Node Interconnect | 5x with 200 Gbps GbE 10x with NDR200 InfiniBand (varies by configuration) |
| D-Nodes (Storage Nodes) | 10× VAST D-Nodes |
| D-Node Function | NVMe-based storage enclosures with erasure coding and data reduction |
| Storage Media | QLC NVMe SSDs + SCM (Optane or equivalent) for metadata and cache |
| Performance Estimate | 200 GB/s aggregate throughput (depending on workload and network config) |
| Scalability | Near Infinite scalability |