- # AccessViaHosts, and each volume must have Replication higher
- # than Collections.DefaultReplication. If these requirements are
- # not satisfied, the feature is disabled automatically
- # regardless of the value given here.
+ # AccessViaHosts, and no writable volume may have Replication
+ # lower than Collections.DefaultReplication. If these
+ # requirements are not satisfied, the feature is disabled
+ # automatically regardless of the value given here.
+ #
+ # When an HPC dispatcher is in use (see SLURM and LSF sections),
+ # this feature depends on the operator to ensure an up-to-date
+ # cluster configuration file (/etc/arvados/config.yml) is
+ # available on all compute nodes. If it is missing or not
+ # readable by the crunch-run user, the feature will be disabled
+ # automatically. To read it from a different location, add a
+ # "-config=/path/to/config.yml" argument to
+ # CrunchRunArgumentsList above.