DATA DEDUPLICATION IN AN INTERNET SMALL COMPUTER SYSTEM INTERFACE (iSCSI) ATTACHED STORAGE SYSTEM
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Abstract
Embodiments of the present invention disclose a method, computer program product, and system for data deduplication. Receiving a protocol data unit (PDU) that includes data to be stored on a system and a hash value that corresponds to the data. Determining whether the hash value of the received PDU matches a stored hash value that corresponds to data that is stored in the system. Responsive to determining that the hash value of the received PDU does not match a stored hash value, storing the data included in the received PDU in the system. In another embodiment, the system is an iSCSI attached storage system, and the PDU is an iSCSI PDU.
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Citations
20 Claims
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1-7. -7. (canceled)
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8. A computer program product for data deduplication, the computer program product comprising:
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one or more computer-readable storage media and program instructions stored on the one or more computer-readable storage media, the program instructions comprising; program instructions to receive a protocol data unit (PDU) that includes data to be stored on a system and a hash value that corresponds to the data; program instructions to determine whether the hash value of the received PDU matches a stored hash value that corresponds to data that is stored in the system; and responsive to determining that the hash value of the received PDU does not match a stored hash value, program instructions to store the data included in the received PDU in the system. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A computer system for data deduplication, the computer system comprising:
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one or more computer processors; one or more computer-readable storage media; and program instructions stored on the computer-readable storage media for execution by at least one of the one or more processors, the program instructions comprising; program instructions to receive a protocol data unit (PDU) that includes data to be stored on a system and a hash value that corresponds to the data; program instructions to determine whether the hash value of the received PDU matches a stored hash value that corresponds to data that is stored in the system; and responsive to determining that the hash value of the received PDU does not match a stored hash value, program instructions to store the data included in the received PDU in the system. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification