EXTENT REFERENCE COUNT UPDATE SYSTEM AND METHOD

Systems and methods for extent reference count updates are presented. In one embodiment; a reference count update method includes: receiving an indication of new reference association with an extent of a shared storage component; generating reference count update log information for a reference coun...

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Bibliographic Details
Main Authors KUMARESAN BALEMURUGHAN, SILVERS CHARLES H, SUBRAMANYA SUNIL KUMAR TEKKATTE, SALPEKAR AJAY PURUSHOTTAM, PISUPATI PRAMODH, BOYER BRAD ALLEN
Format Patent
LanguageEnglish
Published 23.02.2012
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:Systems and methods for extent reference count updates are presented. In one embodiment; a reference count update method includes: receiving an indication of new reference association with an extent of a shared storage component; generating reference count update log information for a reference count update log to indicate the new reference association with an extent of a shared storage component, wherein the altering occurs inline; forwarding a successful data update indicator to initiator of activity triggering the new reference association with the extent of the shared storage component; and updating a reference count table in accordance with the information in the reference count update log, wherein the updating is included in a background process.
Bibliography:Application Number: US20100858393