{
    "archer.ac.uk": {
        "remote_job_manager_endpoint" : "pbs+ssh://login.archer.ac.uk",
        "remote_filesystem_endpoint"  : "sftp://login.archer.ac.uk/",
        "local_job_manager_endpoint"  : "fork://localhost",
        "local_filesystem_endpoint"   : "file://localhost/",
        "default_queue"               : "standard",
        "python_interpreter"          : "/work/y07/y07/cse/python/2.7.6/bin/python",
        "pre_bootstrap"               : [],
        "valid_roots"                 : ["/home", "/work"],
        "pilot_agent"                 : "radical-pilot-test-agent-archer.py",
        "pilot_agent_worker"          : "agent-worker.py",
        "bootstrapper"                : "cray_bootstrapper.sh"
    }
}

{
    "archer.ac.uk": {
        "remote_job_manager_endpoint" : "pbs+ssh://login.archer.ac.uk",
        "remote_filesystem_endpoint"  : "sftp://login.archer.ac.uk/",
        "local_job_manager_endpoint"  : "fork://localhost",
        "local_filesystem_endpoint"   : "file://localhost/",
        "default_queue"               : "standard",
        "python_interpreter"          : "/work/y07/y07/cse/python/2.7.6/bin/python",
        "pre_bootstrap"               : [],
        "valid_roots"                 : ["/work"],
        "pilot_agent"                 : "radical-pilot-test-agent-archer.py",
        "pilot_agent_worker"          : "agent-worker.py",
        "bootstrapper"                : "cray_bootstrapper.sh"
    }
}

Remove /home as a valid root.
Remove /home as a valid root.
