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OSG Policy

OSG Users are bound by the general Open Science Grid User Acceptable Use Policy (local copy retrieved April 2009), and possibly to specific policies set forth by their Virtual Organisation.

This DRAFT page complements the above policy, describing the policy pertaining to the usage of this specific computing resource, the UJ Research Cluster, via OpenScience Grid access.
For further details, like local accounts, CPU time and disk space reservations etc, see the UJ Research Cluster Usage Policy, or address your query to the appropriate contact.

The text below is derived from US-CMS VO policy

OSG Policy Page

Supported VOs

As of 19 April 2009, the UJRC supports the OSGEdu and ATLAS VOs.
If you are interested in having support for another VO on the UJRC, please address your query to the contacts.

Processing Policies

All access to UJRC processing resources for OSG VOs is provided on an opportunistic basis unless otherwise arranged.

  • VOs have a hard limit of 48 hours of wall clock time
  • If UJRC operators are forced to kill running processes, we will attempt to contact the iGOC to provide warning to the affected VO.
  • Under normal running conditions we will attempt to give four hours notice.
  • During some running conditions we may be forced to remove processes without warning.
  • UJRC requests that VOs submit using Condor Grid Monitor. VOs unable to submit through grid monitor will be limited in the number of active processes allowed.

Storage Policies

UJRC will provide the four canonical storage areas: $APP, $DATA, $TMP, $WN_TMP.

  • $APP is an area for software installation shared across all worker nodes.
    It is read/write from the CE node via the jobmanager-fork queue, and read-only from worker nodes.
    • $OSG_APP and $GRID3_APP_DIR environment variables
    • By default, the directory is mode 1777.
    • Quotas are set to 1 GB per account if it is a pool account and 10 GB otherwise.
    • No quotas have yet been set.
    • No purge policy has yet been set.
  • Additionally, $APP/maintained is a read-only directory with writes enabled only for users who are official VO software distributors (and have the appropriate role in VOMS). New VOs should put in a request via their local support center to give their software distribution role the appropriate permission.
    • No quotas are set.
    • Files will not be purged by age.
      If the filesystem fills, UJRC will attempt to contact the users consuming the most space through OSG Operations.
  • $TMP and $DATA point to the same area.
    It is a read/write area for temporary files shared across all worker nodes.
    • $OSG_DATA, $GRID3_DATA_DIR, $GRID3_TMP_DIR environment variables
    • By default, the directory is mode 1777.
    • Quotas are set to 2 GB per account if it is a pool account and 20 GB otherwise.
    • No quotas have yet been set.
    • No purge policy has yet been set.
  • $WN_TMP is a read/write area for temporary files local to each worker node.
    • $OSG_WN_TMP, $GRID3_TMP_WN_DIR environment variables
    • No purge policy has yet been set.
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Page last modified on April 20, 2009, at 01:00 PM