DATA PROCESSING METHOD, STORAGE APPARATUS, SOLID STATE DISK, AND STORAGE SYSTEM
First Claim
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1. A data processing method, applied to a solid state disk (SSD) and comprising:
- receiving, by the SSD, a write request from a controller, wherein the write request carries to-be-written data;
compressing, by the SSD, the to-be-written data to obtain compressed data;
storing, by the SSD, the compressed data; and
sending, by the SSD, first feedback information to the controller, wherein the first feedback information indicates a remaining capacity of the SSD after the compressed data is stored.
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Abstract
Providing a data processing manner, wherein: a SSD compresses a data; the SSD storing the compressed data; the SSD sends a feedback information to a controller, wherein the feedback information indicates a remaining capacity of the SSD after the compressed data is stored.
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Citations
32 Claims
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1. A data processing method, applied to a solid state disk (SSD) and comprising:
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receiving, by the SSD, a write request from a controller, wherein the write request carries to-be-written data; compressing, by the SSD, the to-be-written data to obtain compressed data; storing, by the SSD, the compressed data; and sending, by the SSD, first feedback information to the controller, wherein the first feedback information indicates a remaining capacity of the SSD after the compressed data is stored. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A solid state disk, comprising:
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a communications interface, configured to communicate with a controller; a storage medium, configured to provide storage space; and a processor, connected to the communications interface and the storage medium, and configured to; receive a write request from the controller through the communications interface, wherein the write request carries to-be-written data; compress the to-be-written data to obtain compressed data; store the compressed data in the storage medium; and send first feedback information to the controller through the communications interface, wherein the first feedback information indicates a remaining capacity of the storage medium after the compressed data is stored. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30)
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31. A storage system, comprising a controller and a solid state disk, wherein
the solid state disk, comprising: -
a communications interface, configured to communicate with a controller; a storage medium, configured to provide storage space; and a processor, connected to the communications interface and the storage medium, and configured to; receive a write request from the controller through the communications interface, wherein the write request carries to-be-written data; compress the to-be-written data to obtain compressed data;
store the compressed data in the storage medium; andsend first feedback information to the controller through the communications interface, wherein the first feedback information indicates a remaining capacity of the storage medium after the compressed data is stored; and
, whereinthe controller is configured to; generate a write request comprising the to-be-written data;
receive a response message for the write request from the processor through the communications interface, wherein the response message comprises a logical address of the to-be-written data in the storage medium; andrecord a mapping relationship between a logical address of the to-be-written data in a disk array and the logical address of the to-be-written data in the storage medium. - View Dependent Claims (32)
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Specification