LOGICAL TO PHYSICAL TABLE RESTORATION FROM STORED JOURNAL ENTRIES

A controller-implemented method, according to one embodiment, includes: examining, by the controller, each of a plurality of journal entries from at least one journal beginning with a most recent one of the journal entries in a most recent one of the at least one journal and working towards an oldes...

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Bibliographic Details
Main Authors Fisher Timothy J, Simmons Lincoln T, Tomic Sasa, Ioannou Nikolas, Camp Charles J, Fry Aaron D, Pletka Roman A
Format Patent
LanguageEnglish
Published 22.03.2018
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:A controller-implemented method, according to one embodiment, includes: examining, by the controller, each of a plurality of journal entries from at least one journal beginning with a most recent one of the journal entries in a most recent one of the at least one journal and working towards an oldest one of the journal entries in an oldest one of the at least one journal, the journal entries corresponding to one or more updates made to one or more logical to physical table (LPT) entries of a LPT; determining, by the controller, whether a current LPT entry, which corresponds to a currently examined journal entry, has already been updated; and discarding, by the controller, the currently examined journal entry in response to determining that the current LPT entry has already been updated.
Bibliography:Application Number: US201715824931