As with the previous recipe, we begin by adding a primitive to Pacemaker. For the sake of consistency and simplicity, we name this resource pg_lvm. In order to manage LVM, we also need to specify the ocf:heartbeat:LVM resource agent.
Remember, to see the list of parameters for a resource agent, use the ra meta command to the crm shell. For the LVM agent, this invocation would display usage information:
crm ra meta ocf:heartbeat:LVM
The only parameter (params) that concerns us regarding the LVM resource agent is volgrpname, which we set to VG_POSTGRES. The other options we set are more advisory minimum values, which reflect the number of seconds we should wait before considering an operation as failed.
In our case, we wait ...
