Data deduplication method based on internet small computer system interface (iSCSI)
A technology for deduplication and old data, applied in electrical components, transmission systems, etc., can solve the problems of high computing and storage overhead, high overhead, and high false positive rate, and achieve the effect of reducing bandwidth and transmission delay
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[0055] The implementation process of an iSCSI-based de-duplication method in an IP network remote mirroring system of the present invention will be described below with reference to the accompanying drawings.
[0056] The original IP network remote mirroring system consists of front-end client, local mirroring and remote mirroring in the disaster recovery center. The data of the local mirror and the remote mirror are updated synchronously. The two are connected through an IP network, and the transport protocol adopted is iSCSI. In order to implement iSCSI-based deduplication in this system, add a device at the local and remote ends. The structure diagram of the whole system is as follows figure 1 shown. The local device is responsible for intercepting the iSCSI data packets sent by the front end to the remote mirror, and deduplicating the written data in it, and then sending the deduplicated data, that is, the difference data, to the remote device. The remote device is res...
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