DATA STORAGE DEVICE AND DATA MAINTENANCE METHOD THEREOF

The present invention provides a data storage device including a flash memory and a controller. The controller receives a read command arranged to read data from a host, determines a plurality of read tasks by analyzing the read command, and determines task time of each of the read tasks according t...

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Bibliographic Details
Main Authors TSOU, TAI YU, CHU, PO CHIA
Format Patent
LanguageChinese
English
Published 11.10.2017
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:The present invention provides a data storage device including a flash memory and a controller. The controller receives a read command arranged to read data from a host, determines a plurality of read tasks by analyzing the read command, and determines task time of each of the read tasks according to the number of the read tasks and an I/O latency time. In a first read task of the read tasks, the controller reads a part of the data and transmits the read part to the host, and executes a first maintenance process according to a predetermined condition, wherein the predetermined condition includes a remain time and the remain time is the task time minus the time spent by the first read task.
Bibliography:Application Number: TW20176107358