发明申请
US20110016353A1 SYSTEMS AND METHODS FOR DISTRIBUTED SYSTEM SCANNING 有权
用于分布式系统扫描的系统和方法

SYSTEMS AND METHODS FOR DISTRIBUTED SYSTEM SCANNING
摘要:
Systems and methods are provided for scanning files and directories in a distributed file system on a network of nodes. The nodes include metadata with attribute information corresponding to files and directories distributed on the nodes. In one embodiment, the files and directories are scanned by commanding the nodes to search their respective metadata for a selected attribute. At least two of the nodes are capable of searching their respective metadata in parallel. In one embodiment, the distributed file system commands the nodes to search for metadata data structures having location information corresponding to a failed device on the network. The metadata data structures identified in the search may then be used to reconstruct lost data that was stored on the failed device.
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