essor no longer has an instance of the lock
service.), or if the successor member leaves the distributed system.
The destroy operation will not return, and lock-related requests will
block, until the transfer of grantorship has completed.  The
successor-based algorithm minimizes the number of processes involved
in grantor destruction and the number of messages that must be sent
between processes.

If no locks are held when the grantor is destroyed, the grantor sends
the elder a "destroyed with no locks" mes