发明授权
- 专利标题： Non-volatile caching for sequence of data
- 专利标题（中）： 用于数据序列的非易失性缓存
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申请号： US14526134申请日： 2014-10-28
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公开(公告)号： US09123382B1公开(公告)日： 2015-09-01
- 发明人: Erick Omar Abasto
- 申请人： Western Digital Technologies, Inc.
- 申请人地址： US CA Irvine
- 专利权人： Western Digital Technologies, Inc.
- 当前专利权人： Western Digital Technologies, Inc.
- 当前专利权人地址： US CA Irvine
- 主分类号： G11B21/02
- IPC分类号： G11B21/02 ; G11B20/10 ; G11B27/36
摘要：
Operation of a Data Storage Device (DSD) including a Non-Volatile Semiconductor Memory (NVSM) and at least one disk. A size value is determined corresponding to a sequence of data to be read from or stored in the DSD. If the size value is less than a threshold value, the sequence of data is stored in the NVSM. If the size value is greater than the threshold value, a first portion of the sequence of data is stored in the NVSM and at least a remaining portion of the sequence of data is stored on the at least one disk. The threshold value is based on at least a preparation time for accessing data from the at least one disk and a throughput value of the NVSM for storing data in or retrieving data from the NVSM.
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