Data rollback method, device, equipment and storage medium
A data rollback and data technology, applied in the storage field, can solve problems such as long time spent and business suspension time, and achieve the effects of improving efficiency, reducing waiting time, and reducing the amount of data copying
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[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0044] The present invention provides a data rollback method, such as figure 1 shown, including the following steps:
[0045] S101. After receiving the rollback instruction, determine the metadata to be rolled back according to the bitmap used to identify the metadata modified due to data redirection;
[0046] In actual operation, data redirection refers to business data redirection, that is, when the physical storage location of data changes, metadata stores...
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