发明授权
- 专利标题： Data storage on a multi-tiered disk system
- 专利标题（中）： 数据存储在多层磁盘系统上
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申请号： US09903721申请日： 2001-07-12
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公开(公告)号： US06925529B2公开(公告)日： 2005-08-02
- 发明人: Patrick J. Bohrer , Elmootazbellah N. Elnozahy , Charles R. Lefurgy , Ramakrishnan Rajamony , Bruce A. Smith
- 申请人： Patrick J. Bohrer , Elmootazbellah N. Elnozahy , Charles R. Lefurgy , Ramakrishnan Rajamony , Bruce A. Smith
- 申请人地址： US NY Armonk
- 专利权人： International Business Machines Corporation
- 当前专利权人： International Business Machines Corporation
- 当前专利权人地址： US NY Armonk
- 代理机构： Cardinal Law Group
- 代理商 Casimer K. Salys
- 主分类号： G06F1/32
- IPC分类号： G06F1/32 ; G06F3/06 ; G06F12/00
摘要：
A method and a computer usable medium including a program for operating disks having units, comprising: providing a first tier of at least one disk, the first tier storing at least one popular unit, providing a second tier of at least one disk, the second tier storing at least one unpopular unit, powering on at least one first tier disk, powering down the second tier, determining whether a request for a unit requires processing on the first tier or second tier, accessing the requested unit if the requested unit requires processing on the first tier, and powering on a second tier disk to copy the requested unit from the second tier disk to a first tier disk, if the requested unit is stored on the second tier.
公开/授权文献
- US20040243761A1 Data storage on a multi-tiered disk system 公开/授权日：2004-12-02
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