>  Stopping the Heartbeat daemon (service heartbeat stop)
> does not stop the DRBD daemon even if it is one of
> the resources. 

- Heartbeat and DRBD are 2 different products/packages

- Like most services, DRBD doesn't need Heartbeat to run. You can set up and 
run DRBD volumes without Heartbeat installed, or any cluster supervisor.

- The DRBD daemons provide the communication interface for each network volume 
and are therefor an integral part of the volume management. Without the DRBD 
daemons, you (manually) and Heartbeat (automagically) could not handle the DRBD 
volumes.

- If you look carefully at your startup, DRBD daemons start whether or not 
Heartbeat is started.
 


      

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