Using Host Utility Locks
A Host Utility (HUT) lock, also referred to as a utility lock in this book, is the lock that Teradata ARC places when most Teradata ARC commands are executed. Exceptions are CHECKPOINT, DELETE DATABASE, and DELETE JOURNAL. When Teradata ARC places a HUT lock on a object, for example, with an ARCHIVE or RESTORE command, the following conditions apply:
The ShowLocks utility, described in Utilities, shows the HUT locks that are currently applied to a Teradata Database.