/projects

For backups of /projects, see the /backups directory on della9, stellar-intel, and tiger3. For instance, if your faculty sponsor is Alonzo Church or your NetID is aturing then:

$ ssh <YourNetID>@della.princeton.edu
$ cd /backups/projects/ACHURCH
$ cd /backups/tigress/a/aturing

You may be able to find previous snapshots in a hidden .snapshots directory, for example:

$ cd /backups/projects/ACHURCH
$ ls -a .snapshots
  .  ..  SNAP-2025.01.27-19.18.40  SNAP-2025.02.03-19.18.40  SNAP-2025.02.11-14.01.13

Backups are made weekly.

/home

It may be possible to recover files that were removed from /home/YourNetID. This must be done by someone in Research Computing. Please send an email to [email protected] and be sure to include the cluster name (e.g., Della, Tiger) and the path to the files (e.g., /home/aturing/project1/data). Backups are made approximately nightly.

/scratch/gpfs, /scratch/network, /scratch and /tmp

Files on a /scratch or /tmp filesystem are not backed up.