Updating a change track map based on a mirror recovery map

Updating a change track map based on a mirror recovery map

One method of updating a change track map involves resetting a mirror recovery map for a data volume. Just before the mirror recovery map is reset, a change track map for the data volume can be updated, using the mirror recovery map. The mirror recovery map can be reset by a data element of a data p...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KUMAR MUKUL, KARR RONALD S, LIMAYE PRASAD, ROY SUBHOJIT, KRISHNAMURTHY RAGHU, KEKRE ANAND A
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Beschreibung
Zusammenfassung:One method of updating a change track map involves resetting a mirror recovery map for a data volume. Just before the mirror recovery map is reset, a change track map for the data volume can be updated, using the mirror recovery map. The mirror recovery map can be reset by a data element of a data processing system, while the change track map can be updated by a control element of the data processing system.