Handling commands within a write-once read-many storage device configuration

In a particular embodiment, a storage device with a memory, a controller, and a host interface has a write-once read-many device configuration. The memory contains a database having entries, each entry for a logical memory address. The memory further contains information for converting each logical...

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Bibliographische Detailangaben
Hauptverfasser: ITTAH EYAL, PELTZ URI, HALEVI YONATAN, GRIN LOLA, BENER YOSSI, COHEN EHUD, GREENBERG BOAZ
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:In a particular embodiment, a storage device with a memory, a controller, and a host interface has a write-once read-many device configuration. The memory contains a database having entries, each entry for a logical memory address. The memory further contains information for converting each logical memory address to a redirected logical memory address that corresponds to a physical memory location. The controller receives a command specifying a logical memory address and interprets the command based on information extracted from the database. The controller executes the command according to the information.