A Data Reconstruction Method Based on Storage Objects
A technology for storing objects and data reconstruction, which is applied in the field of storage systems, can solve problems such as impact on SSD lifespan, inability to achieve priority reconstruction, and linear increase in data reconstruction process time, so as to avoid reconstruction
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[0045] see figure 1 , figure 1 The architecture of a storage system according to an embodiment of the present invention is shown. A storage system according to the present invention includes a computer or server (collectively referred to as a host) and a plurality of drives coupled to the host. Preferably, the drive is a solid state drive (SSD). Optionally, a disk drive may also be included in embodiments according to the present invention.
[0046] Storage resources provided by individual drives are maintained through storage resource pools. The storage resource pool records data blocks or data chunks (chunks, chunks for short) in each drive. As an example, the large data block is a plurality of consecutive data blocks in logical space or physical space of a predetermined size. The size of the chunk of data, for example, can be in the hundreds of KB or MB. Optionally, what is recorded in the storage resource is data blocks or large data blocks that have not been alloc...
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