User disk space at CCR is contained in a high-performance Storage Area Network (SAN). CCR's SAN provides a total of 20TB of disk storage to the U2 cluster. Directories are NFS mounted to the U2 cluster and accessible from all compute nodes.

User Home Directories

• Home directories on the SAN in the /san/user filesystem.
  • The home directory for the U2 cluster has the form:
    • /san/user/UBIT-username/u2
  • Data in the home directories are backed up to a tape library.
    • CCR Backup and Retention Policy
  • Home directories are accessible from all U2 compute nodes.

User Quota

• The default quota for a home directory is 2 Gigabytes.
• Use the quota command to display current usage and quota limit.
  • Type: quota -u UBIT-username