Data storage device and data management method in

专利名称：Data storage device and data management

method in data storage device

发明人：Shuhji Yamada,Toshio Kakihara,Katsuhiro

Imoto,Akihiko Mouri

申请号：US12380116申请日：20090223公开号：US08082409B2公开日：20111220

专利附图：

摘要：In one embodiment, a HDD creates a segment table to associate an address ofuser data in a flash memory with an LBA in a magnetic disk. The HDD updates the

segment table in a DRAM and saves it to the flash memory at a specific timing. The HDDcreates journals indicating the update of the segment table and saves it to the flashmemory. The latest segment table can be restored using the segment table and thejournals in the flash memory.

申请人：Shuhji Yamada,Toshio Kakihara,Katsuhiro Imoto,Akihiko Mouri

地址：Kanagawa JP,Kanagawa JP,Tokyo JP,Tokyo JP

国籍：JP,JP,JP,JP

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