| 发明名称 |
CACHE CONTROL METHOD AND STORAGE DEVICE |
| 摘要 |
According to one embodiment of the present invention, a cache control method of a storage device is provided, the storage device including: a storage unit that stores data, and a buffer memory having a first cache area and a second cache area serving as a cache of the storage unit. The cache control method according to the embodiment includes: storing data read from the storage unit in the first cache area in response to a read command from a host; moving retried data, on which a read retry has occurred upon the readout from the storage unit, to the second cache area from the first cache area in order that the retried data amount in the second cache area is not more than a predetermined data amount; and transferring data in the first cache area or the second cache area to the host. |
| 申请公布号 |
US2015046633(A1) |
申请公布日期 |
2015.02.12 |
| 申请号 |
US201414161574 |
申请日期 |
2014.01.22 |
| 申请人 |
KABUSHIKI KAISHA TOSHIBA |
发明人 |
Kuribayashi Tetsuo;Kanno Hironori;Sugawara Nobuhiro;Inoue Yoshinori;Nagashima Yasuyuki |
| 分类号 |
G06F12/02;G06F12/08;G06F12/12 |
主分类号 |
G06F12/02 |
| 代理机构 |
|
代理人 |
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| 主权项 |
1. A cache control method of a storage device including a storage unit that stores data, and a buffer memory having a first cache area and a second cache area serving as a cache of the storage unit, the method comprising:
storing data read from the storage unit in the first cache area in response to a read command from a host; moving retried data, on which a read retry has occurred upon the readout from the storage unit, to the second cache area from the first cache area in order that the retried data amount in the second cache area is not more than a predetermined data amount; and transferring data in the first cache area or the second cache area to the host. |
| 地址 |
Tokyo JP |
