Array reconstruction method and device based on metadata
A metadata and data technology, applied in the field of metadata-based array reconstruction methods and devices, can solve the problems of time extension, increase the possibility of data loss, reduce the reliability and efficiency of reconstruction, etc., to ensure reliability and redundancy performance, and the effect of shortening the rebuilding time
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[0020] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, and to make the above-mentioned purposes, features and advantages of the embodiments of the present invention more obvious and understandable, the following describes the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings For further detailed explanation.
[0021] see figure 1 , is a storage space division diagram of metadata in the metadata-based array reconstruction method according to the embodiment of the present invention:
[0022] figure 1 shows a metadata-based spatial organization of arrays. Wherein, the metadata in the array refers to internal data for managing space allocation of a disk array (Redundant Arrays of Independent Disks, RAID), that is, the information recorded in the space management metadata part of the array. The metadata itself records the latest time s...
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