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robnagler edited this page Jun 8, 2016 · 2 revisions

Usage Policies at RadiaSoft

Disk Space

We divide disk space into five usage categories in order of increasing volatility:

  1. /home - RAID, backed up nightly and archived permanently in two vaults
  2. /var/no-archive - RAID, backed up nightly
  3. /var/no-backup - RAID
  4. /var/tmp - can be removed at any time
  5. /tmp - cleared at boot

Our biggest constraint is on archived data. We compress the data, copy it to 2.5" disks, and take them to two separate vaults. As of 6/8/16, we are using 1TB disks, which is sufficient as long as people don't store experimental data in /home.

The general policy should be to run simulations in /var/no-archive.

Our JupyterHub partition is backed up and archived. That probably will change, once we are in production.

CPU

On dev, don't use all the CPU. It's running production services like ownCloud and Sirepo.

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