发明申请
- 专利标题: Method and a System for Storing Files
- 专利标题(中): 方法和存储文件的系统
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申请号: US12090488申请日: 2006-10-18
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公开(公告)号: US20080256147A1公开(公告)日: 2008-10-16
- 发明人: Pankaj Anand , Nitin Arora , Puneet Trehan , Rakesh Sharrma , Aniruddha Chaudhuri
- 申请人: Pankaj Anand , Nitin Arora , Puneet Trehan , Rakesh Sharrma , Aniruddha Chaudhuri
- 申请人地址: GB London
- 专利权人: Medical Research Council
- 当前专利权人: Medical Research Council
- 当前专利权人地址: GB London
- 优先权: IN2783/DEL/2005 20051018
- 国际申请: PCT/IB06/02910 WO 20061018
- 主分类号: G06F17/30
- IPC分类号: G06F17/30
摘要:
The present invention presents a method and a system of indexing, storing and retrieving data to and from multiple, remote and connected data sources over internet or intranet. Files are shredded into fixed number of strips using a defined pattern (shredding algorithm) and distributed randomly amongst the storage data sources (storage nodes). A unique index is maintained for each file and its strips along with corresponding storage nodes in a central file-storage database. On demand to retrieve a file, file-storage database is looked up for all relevant strips and storage nodes containing them. These file strips are then collected from all storage nodes and dressed back according to a defined anti-pattern (dressing algorithm) to the pattern used for shredding them. Failover control for storage nodes can be achieved by replicating each strip for a fixed number of storage nodes (replication factor). In case a storage node is not available, the next storage node containing the same strip can be used to get the strip back.
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