Several levels of data storage are provided for Armis, varying by capacity, I/O rate, and longevity of storage. Nothing is backed up, except AFS. Please contact arcts-support@umich.edu with any questions.
| Storage type/location | Description | Best Used For | Access & Policy Details |
|---|---|---|---|
|
/tmp
|
Local directory unique to each node. Not shared. | High-speed read and writes for small files (less than 10GB) | System will automatically delete data here 30 days after date of creation |
|
/home
|
Shared across the entire cluster. Only for use with currently running jobs. Quota of 10GB per user. | Currently running jobs. | To check your quota, use armis-userquota -s |
| /scratch | Turbo-based file system shared across all Armis nodes. /scratch is temporary storage only, and is purged periodically by ARC admins. | Large data for active jobs. | |
|
Turbo
|
Users who need long-term storage can purchase it from Turbo Research Storage, which is a high-speed storage service providing NFSv3 and NFSv4 access. It is available only for research data. | Storing research data. | Turbo Research Storage Configuration |
