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Available Filesystems

There are two main filesystems on Pegasus. The first is connected over NFS and used to store /$SCHOOL/home and  /$SCHOOL/groups , and has 2Pb of usable space. The second is a high-speed Lustre scratch filesystem, accessed as  /lustre which has 2Pb of usable space.  Note that neither are meant for long-term storage.

By default, you have access to three locations:

  • /$SCHOOL/home/$netID - your home directory. NOTE no jobs should be run against the /$SCHOOL/home partition, it is not designed for performance. Use /lustre instead.
  • /$SCHOOL/groups/$group - shared group space, accessible by anyone in your group. (If you are unsure of what group you are in, the groups command will tell you.) NOTE: no jobs should be run against the /$SCHOOL/groups/$group partition, it is not designed for performance. Use /lustre instead.
  • /lustre/groups/$group - shared group scratch space

 

Currently, quotas are only in place at the school (/$SCHOOL/) level but individual user and group quotas will be implemented at a later time. More information about this will be posted as it becomes available.

 

 

Warning: Backups are your responsibility.  We cannot recover accidentally deleted files from any filesystem in Pegasus. Also note, neither filesystem is meant for long-term storage and is subject to requests of removal by support staff. We recommend storing your source codes on Github.