I have some more but let me know if this helps.

create_iscsilv - Creates a logical iSCSI Volume.
volume_iscsi_remove - Removes a logical iSCSI volume
volume_replication - Adds and removes replication to volume.
volume_status - Displays storage info.


FAILOVER:

Usage: failover --status | --actions | --start | --stop | --failover | --synchronize | --failback

This function allows you to stop, run or change the operation mode for the
given server.

Options:
-h, --help show this help message and exit
--status show iSCSI Failover status.
--actions show available iSCSI Failover actions.
--start start iSCSI Failover. On the primary server the Start
action
controls both servers. On the secondary server, it
controls
the secondary server only.
--stop stop iSCSI Failover. On the primary server the Stop action
controls both servers. On the secondary server, it
controls
the secondary server only.
--failover failover action delegate (switch) active server state
to the
passive server.
--synchronize synchronize data from the secondary/active server to the
primary server
--failback failback action will return the active server state to the
primary server.