A COMPUTERISED STORAGE SYSTEM COMPRISING REPLACEABLE UNITS FOR MANAGING TESTING OF REPLACEMENT UNITS

摘要

A method, apparatus and software is disclosed, for use in a computerised storage system comprising one or more replaceable units, for managing testing of one or more replacement units, where the storage system is automatically placed in a testing mode in response to a given unit being replaced and if testing fails the storage system automatically fails back to a service mode.