DATA STORAGE SYSTEM FOR PROVIDING REDUNDANT COPIES OF DATA ON DIFFERENT DISK DRIVES

DATA STORAGE SYSTEM FOR PROVIDING REDUNDANT COPIES OF DATA ON DIFFERENT DISK DRIVES

A disk storage system that writes multiple copies of records directed to user-specified volumes. A plurality of spaced apart control units interconnected by direct data links and a corresponding plurality of sets of recording means communicate over the direct data links when a write request is recei...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: EIFERT, FRED C, LUDLAM, HENRY S, RUDESEAL, GEORGE A, BEAL, DAVID G, MILLIGAN, CHARLES A, SWIATEK, PAUL R
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Beschreibung
Zusammenfassung:A disk storage system that writes multiple copies of records directed to user-specified volumes. A plurality of spaced apart control units interconnected by direct data links and a corresponding plurality of sets of recording means communicate over the direct data links when a write request is received by one control unit to cause one volume in each set of recording means to write a copy of the received record.