Global Scratch File System
Overview
The global scratch file system (or "global scratch") can be accessed by multiple NERSC systems. Its default quota is much larger than the Global Home quota, so it can be used to temporarily store large amounts of data. This file system is periodically purged.
Platforms Using Global Scratch
The global scratch file system is available on all NERSC systems except PDSF.
Quotas
Default global scratch quotas are 20 TB and 2,000,000 inodes. If you need more than that, fill out the Disk Quota Change Request Form.
Purging
Yes, files in global scratch file system are subject to purging.
Backup
No, Files in global scratch file system are not backed up.
Environment Variable
You can reference this file system in scripts as $GSCRATCH on Hopper or $SCRATCH on Carver, Euclid and the DTN systems.