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Systems and methods for highly-available file storage with fast online recovery
Systems and methods for highly-available file storage with fast online recovery
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机译:用于具有快速在线恢复的高可用性文件存储的系统和方法
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摘要
The storage system includes storage devices which have plural storage blocks. A first node with a first processor memory is configured to store first information which manages states of the storage blocks, and a second node including a second processor and memory is configured to store second information which manages the states of the storage blocks are included in the storage system to handle file operations. When a failure occurs on the second node, the first processor is configured to change the state of one or more storage blocks, previously reserved by the second node to be used for storing data by the second node, to one or more garbage blocks and perform garbage resolution processing thereon before becoming available for data storage. This process allows for rapid recovery of the filesystem as the entirety of the filesystem metadata need not be examined.
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