STORAGE DEVICE, STORAGE SYSTEM, AND METHOD OF OPERATING THE STORAGE SYSTEM

STORAGE DEVICE, STORAGE SYSTEM, AND METHOD OF OPERATING THE STORAGE SYSTEM

A storage system includes a storage device having a nonvolatile memory with a first and a second physical address and a host configured to insert a first journal logical address and a first target logical address into a journal mapping table. The storage device includes a flash mapping table storing...

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Hauptverfasser: RO, Won Woo, JEONG, Won Seb, YOON, Joo Hyeong
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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creator RO, Won Woo
JEONG, Won Seb
YOON, Joo Hyeong
description A storage system includes a storage device having a nonvolatile memory with a first and a second physical address and a host configured to insert a first journal logical address and a first target logical address into a journal mapping table. The storage device includes a flash mapping table storing the first journal logical address mapped to the first physical address, and the first target logical address mapped to the second physical address; a circuit configured to write the first journal data to an area of the nonvolatile memory to the first physical address corresponding to the first journal logical address according to the first mapping state, based on the journaling command; and to change the first mapping state of the flash mapping table to a second mapping state in which the first target logical address is remapped to the first physical address, based on the checkpointing command.
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subjects CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
title STORAGE DEVICE, STORAGE SYSTEM, AND METHOD OF OPERATING THE STORAGE SYSTEM
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