| Departmental Shared Storage | PURR | OneDrive/Office 365 | Data Depot | Fortress | Box | |
|---|---|---|---|---|---|---|
| Price | The costs of purchase, maintenance, update and security done locally | 10 GB free for 3 years; 100 GB for 10 years with grant; Extra project space is $1.08 per GB | Available to students with tuition | 100 GB free trial option; Purchase in TB increments, currently $ 75 per TB per year | Free with purchase of Data Depot or Community Clusters | Free to Purdue affiliated researchers |
| Available Storage | Depends upon departmental resources | 1 TB | No upper limit; Total storage capacity: 2.25 PB | No upper limit; Total storage capacity; 10 PB | 1000 GB | |
| Primary Use | Project work space; Group oriented | Project work space; Data publication; Group oriented | Storage; Individually oriented | Storage and services, including data transfer, file structure, and tools ; Group oriented | Data archive for long term storage; Individually oriented; Group sites created upon request | Secure storage for HRPP/IRB approved data, including identifiable personal information such as HIPAA data. Needs to be set up with special settings by ITAP prior to data upload if data is sensitive. Not for export control data. |
| Back-ups | Check with administrators | Backed up nightly. 30 daily images, 12 weekly images, and 12 monthly images are kept. | Data is stored on the cloud. Details are unclear. | Replicated across campus. Nightly snapshots to protect against accidental deletion. | Data is written to multiple tapes simultaneously. No protection against accidental deletion | Perpetual back-ups. |
| Access after you leave Purdue | Lose access | Still accessible as long as a Project manager is Purdue affiliated person | Lose access | 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 | Faculty and staff will retain some access. Students will have option to downgrade to a personal account. Anyone who has HIPAA data will not be able to downgrade to a personal account. |
| Accessible from HPC systems | Generally, can use FTP, Globus, SCP, or other service to access HPC systems. Depends upon Departmental resources. |
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. | No. |
