Administering the AMF kernel driver

Review the following procedures to start or stop the AMF kernel driver.

See About the IMF notification module.

See Environment variables to start and stop VCS modules.

To start the AMF kernel driver

  1. Set the value of the AMF_START variable to 1 in the following file, if the value is not already 1:
    /etc/default/amf
  2. Start the AMF kernel driver. Run the following command:
    /etc/init.d/amf.rc start

To stop the AMF kernel driver

  1. Set the value of the AMF_START variable to 0 in the following file, if the value is not already 0:
    /etc/default/amf
  2. Stop the AMF kernel driver. Run the following command:
    /etc/init.d/amf.rc stop

To unload the AMF kernel driver

Unload the AMF kernel driver only after performing the following tasks:

  1. Stop the agents that are registered with the AMF kernel driver.

    The amfstat command output lists the agents that are registered with AMF under the Registered Reapers section. For more information about the amfstat command, see the manual page for the command.

  2. Stop the AMF kernel driver by using the platform-specific command.
  3. Start the agents.

To unload the AMF kernel driver with minimum downtime

  1. Run the following command to disable the AMF driver even if agents are still registered with it.
    amfconfig -Uof
  2. Stop the AMF kernel driver by using the platform-specific command.