Action Type" can be Move, Mount, Dismount, or Remount. Moves are any time that the database changes its active server, whether ...

-- "Action Type" can be Move, Mount, Dismount, or Remount.  Moves are any time that the database changes its active server, whether by controlled moves or by failovers.  Mount, Dismount, and Remount are times that the database changes its mounted status, but does not move to another machine.