nodetool enablehintsfordc

Enable hints for a datacenter.

  • The file is located in the installation_location/conf directory.



Enable hints for a datacenter.


install_location/bin/nodetool [options] enablehintsfordc [--] <datacenter>
Table 1. Options
Short Long Description
-h --host Hostname or IP address.
-p --port Port number.
-pwf --password-file Password file path.
-pw --password Password.
-u --username Remote JMX agent username.
datacenter The datacenter to enable.
  • [--] can be used to separate command-line options from the list of arguments, when the list might be mistaken for options.


The nodetool enablehintsfordc command is used to turn on hints for a datacenter. The cassandra.yaml file has a parameter, hinted_handoff_disabled_datacenters that will blacklist datacenters on startup. If a datacenter can be enabled later with nodetool enablehintsfordc.


 $ nodetool -u username -pw password enablehintsfordc DC2