发明授权
US09575675B2 Managing metadata and data for a logical volume in a distributed and declustered system
有权
管理分布式和分散式系统中逻辑卷的元数据和数据
- 专利标题： Managing metadata and data for a logical volume in a distributed and declustered system
- 专利标题（中）： 管理分布式和分散式系统中逻辑卷的元数据和数据
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申请号： US14729445申请日： 2015-06-03
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公开(公告)号： US09575675B2公开(公告)日： 2017-02-21
- 发明人: David D. Chambliss , Ehood Garmiza , Leah Shalev , Eliyahu Weissbrem
- 申请人： INTERNATIONAL BUSINESS MACHINES CORPORATION
- 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： Griffiths & Seaton PLLC
- 主分类号： G06F3/06
- IPC分类号： G06F3/06 ; G06F11/14 ; G06F11/10
摘要：
Methods, apparatus and computer program products for a distributed system include dividing logical volume data into data subsets, and defining at least one distributedly storage configuration for the logical volume. Metadata for the logical volume is written to a first set of first metadata tables, and the first set of first metadata tables is divided into metadata subsets having a one-to-one correspondence with the data subsets. The metadata subsets are distributed among the multiple digital information devices, and the metadata is copied from the first set of first metadata tables to a second set of corresponding second metadata tables in a one-to-one correspondence with the first metadata tables.
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