William Frank Micka

Method and system for automated termination and resumption in a time zero backup copy process

Software directed microcode state save for distributed storage controller

Data backup copying with delayed directory updating and reduced numbers of DASD accesses at a back up site using a log structured array data storage

Remote data duplexing

Remote copy secondary data copy validation-audit function

Peer-to-peer backup system with failure-triggered device switching honoring reservation of primary device

Forming consistency groups using self-describing record sets for remote data duplexing

Target DASD controlled data migration move

Method and apparatus for suspending multiple duplex pairs during back up processing to insure storage devices remain synchronized in a sequence consistent order

Storage system employing universal timer for peer-to-peer asynchronous maintenance of consistent mirrored storage