Duplicated data delete method
A data and database technology, applied in electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as low data deduplication efficiency, and achieve the effect of reducing scale, reducing dependence, and improving comparison efficiency
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[0012] The following takes the storage device as a storage array and the host as a server to illustrate the specific implementation process of the technical solution:
[0013] 1) In the process of delivering business data, the server first establishes a sample database on the server according to steps 1, 2, and 3 of the present invention;
[0014] 2) Servers and storage arrays send the data in the sample database to each array through custom manufacturer commands or other data commands of standard protocols (such as SCSI / SATA / SAS / FC).
[0015] 3) After receiving the comparison data request from the server, each storage array compares the received data with the data stored in the array. That is, process according to step 4 of the present invention.
[0016] After the specific implementation of the above three steps, the duplicate data of each storage array will be processed and deleted at the same time, and the normal business data processing between the server and the array w...
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