发明名称 |
Storage system having plurality of flash packages |
摘要 |
The storage system comprises a plurality of flash packages configuring one or more RAID groups, and a controller coupled to the plurality of flash packages. Each flash package comprises a plurality of flash chips configured from a plurality of physical blocks. The controller identifies a target area related to an unnecessary area, unmaps a physical block allocated to a logical block belonging to this target area from this logical block, and manages the unmapped physical block as a free block.
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申请公布号 |
US8484414(B2) |
申请公布日期 |
2013.07.09 |
申请号 |
US20090664721 |
申请日期 |
2009.08.31 |
申请人 |
SUGIMOTO SADAHIRO;YAMAMOTO AKIRA;YAMAMOTO MASAYUKI;ARAKI AKIHIKO;HITACHI, LTD. |
发明人 |
SUGIMOTO SADAHIRO;YAMAMOTO AKIRA;YAMAMOTO MASAYUKI;ARAKI AKIHIKO |
分类号 |
G06F13/00 |
主分类号 |
G06F13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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