| CPC G06F 3/0619 (2013.01) [G06F 3/064 (2013.01); G06F 3/0656 (2013.01); G06F 3/0679 (2013.01)] | 20 Claims |
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1. A storage device comprising:
a nonvolatile memory device; and
a storage controller configured to control the nonvolatile memory device and to update meta data by controlling the nonvolatile memory device,
wherein the storage controller comprises a journal manager,
wherein the journal manager is configured to:
generate a plurality of journal data associated with the update of the meta data,
restore the meta data by sequentially performing a replay operation for each of the plurality of journal data,
update a range table based on the plurality of journal data, and
skip the replay operation for at least one of the plurality of journal data based on the range table.
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