Long job fails due to fopen error

@Hui Please can you post

  • the traceback as text
  • the CryoSPARC version and patch
  • whether /fs/pool/pool-briggs-scratch/cryosparc is shared between multiple CryoSPARC workers
  • user name and user id of the Linux account that runs CryoSPARC processes
  • the outputs of the commands on the worker under the account that runs CryoSPARC processes
    stat -f /fs/pool/pool-briggs-scratch/cryosparc
    stat <full path of particles.mrc file>
    
  • the output of
    ps -eouser,cmd | grep supervisord
    
    on the CryoSPARC master