A metadata recovery method, device, and equipment of an SSD and a medium

Abstract

The application discloses a metadata recovery method of an SSD, and belongs to the technical field of data storage. The method comprises the following steps: when the SSD is powered on, a bad block table of the SSD is acquired, and a Block info table is created by using the bad block table; any one page on all Blocks in the SSD is read by using the Block info table, so as to establish a first-level table; and all metadata in the SSD is recovered by using the first-level table. Compared with the prior art, the method only needs to read any one page on all Blocks in the SSD according to the Block info table, so that the first-level table of the SSD can be established, and the metadata in the SSD can be recovered. Therefore, the time required for establishing the first-level table can be greatly shortened, and the time required for recovering the metadata of the SSD can be greatly shortened. Correspondingly, the metadata recovery device, equipment and medium of the SSD provided by the application also have the beneficial effects.

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