| Box | PURR | OneDrive/Office 365 | Data Depot | Fortress | |
|---|---|---|---|---|---|
| Price | Free to Purdue affiliated researchers | Free up to 10GB, and 1TB for grant related projects. Contact PURR for larger storage needs. | Available to students, staff, and faculty. | 100 GB free trial option; Purchase in TB increments, currently $ 47 per TB per year | Free with Data Depot or Community Clusters storage. |
| Available Storage | 1000 GB | Up to 10GB, and 1TB for grant related projects Contact PURR for larger storage needs. | 5 TB | No upper limit; Total storage capacity: 2.25 PB | No upper limit; Total storage capacity; 10 PB |
| Primary Use | Secure storage for HRPP/IRB approved data, including identifiable personal information such as HIPAA data. Needs to be set up with special settings by IT prior to data upload if data is sensitive. Not for export control data. | Project work space; Data publication; Facilitates Collaboration | Storage: Personal | Storage and services, including data transfer, file structure, and tools: Facilitates collaboration and file sharing. | Data archive for long term storage; Individually oriented; Group environment created upon request |
| Back-ups | Perpetual backups. | Backed up nightly. 30 daily images, 12 weekly images, and 12 monthly images are kept. Long term archival preservation. | Data is stored on the cloud. Managed by Central IT | Replicated across campus. Nightly snapshots to protect against accidental deletion. | Data is written to multiple tapes simultaneously. No protection against accidental deletion |
| Access after you leave Purdue |
Faculty and staff retain some access because Purdue owns HIPAA/FERPA controlled access data. Students in regular accounts lose access unless they have moved their data into a personal Box account. |
Still accessible with one Purdue affiliated manager. | No | Lose access, but data is retained as long as a Purdue affiliated person is the project manager | Lose access, but data is retained as long as a Purdue affiliated person is the project manager |
| Accessible from HPC systems | No |
Uses Globus to transfer data to HPC systems. |
No | Depot is mounted directly on HPC clusters using GPFS. Data to and from Depot can use Globus for transfer. Personal and lab computers on campus can also transfer files with SCP/SFTP, CIFS, NFS from anywhere. | Uses Globus or HSI/HTAR to transfer data. |
