Invention Grant
US08429343B1 Hybrid drive employing non-volatile semiconductor memory to facilitate refreshing disk
有权
混合驱动器采用非易失性半导体存储器来促进刷新磁盘
- Patent Title: Hybrid drive employing non-volatile semiconductor memory to facilitate refreshing disk
- Patent Title (中): 混合驱动器采用非易失性半导体存储器来促进刷新磁盘
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Application No.: US12909555Application Date: 2010-10-21
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Publication No.: US08429343B1Publication Date: 2013-04-23
- Inventor: Chun Sei Tsai
- Applicant: Chun Sei Tsai
- Applicant Address: US CA Irvine
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA Irvine
- Main IPC: G06F12/00
- IPC: G06F12/00
Abstract:
A hybrid drive is disclosed comprising a head actuated over a disk comprising a plurality of data sectors, and a non-volatile semiconductor memory (NVSM). A plurality of refresh zones are defined, wherein each refresh zone comprises a plurality of the data sectors on the disk, and a refresh monitor is maintained for each refresh zone. When a write command is received from a host comprising data and the data is targeted to the NVSM, the data is written to the NVSM. When the data is targeted to a first refresh zone on the disk, and a first refresh monitor has not reached a refresh limit, the data is written to the first refresh zone. When the data is targeted to the first refresh zone on the disk, and the first refresh monitor has reached the refresh limit, the data is written to the NVSM.
Information query
