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Basically, ssh to s3dflogin.slac.stanford.edu and from there ssh to iana (no .slac.stanford.edu) to do actual interactive work.  The login nodes are not meant for doing analysis or accessing data. Of course, real computational intensive tasks are meant for the batch system and not the interactive nodes either.

.bashrc:

  • a directory gets added to your home dir, called profile_d. It points back to the group equivalent in /sdf/group/fermi/sw/ and includes the contents of those conf files into your session's bashrc. Group-level settings go there, eg $LATCalibRoot.
  • don't overwrite your .bash_profile or you'll lose the code that does this:
Info
title.bash_profile snippet

# SLAC S3DF - source all files under ~/.profile.d
if [[ -e ~/.profile.d && -n "$(ls -A ~/.profile.d/)" ]]; then
 source <(cat $(find -L ~/.profile.d -name '*.conf'))
fi


Disk space:

  • Your home directory is in weka (/sdf/home/<first letter of our userid>/<your userid>) with 30 GB of space. This space is backed up and is where code, etc., should go. This is also true for conda environments.
  • We have group space at /sdf/group/fermi/ which will include shared software, as well as Fermi-supplied user (i.e., on top of your home directory) and group space. You can find it in /sdf/group/fermi/u/<you>.
    • after gpfs is retired in late 2023, this is where your larger user space will be.
  • We're still providing additional user space from the old cluster, available on request via the slac-helplist mailing list. It is not backed up. This space is natively gpfs.  Once enabled, it will be available under: /gpfs/slac/fermi/fs2/u/<your_dir>.

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