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Hopper scheduled maintenance and new software available

July 6, 2011 by Helen He

In conjunction with the NERSC systems Outages next week (for NERSC Global File Systems maintenance) announced earlier today (see details at:, Hopper will have a scheduled maintenance on next Wed, July 13, from 8am to 1pm Pacific time.

/project and /global/scratch directories will not be available on Hopper from 8am to 1pm on Wed July 13.  User jobs that need to use the /project and/or /global/scratch file system should add the "gres" directive in their batch job scripts to indicate this requirement. (see detailed instructions at:

The following new software versions are available now (as non-default version) on Hopper, and will be set to default at the maintenance.
-- pgi/11.3.0
-- perftools/5.2.0
-- xt-mpich2/5.3.0 and xt-shmem/5.3.0
-- cce/7.4.0