Data storage system
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Abstract
When replacing a disk device that has passed over a warranty expiration date with a new disk device, data necessary to be stored thereafter among the data that is recorded in the device must be transferred to another disk device, to thereby require a time for processing. A storage system includes: a storage device having a plurality of disk drives that stores data; and a data storage managing device which is connected to the storage device and has a data storage managing module that manages the storage of the data in the storage device, in which the data storage managing module compares a retention date of the data to be stored with a warranty expiration date of the disk drive, selects a disk drive that stores the data as the result of the comparison, and stores the data in the selected disk drive.
31 Citations
32 Claims
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1-20. -20. (canceled)
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21. A method for managing storage system including plurality of disk apparatus in which data is stored;
- comprising steps of;
receiving a request for storing data from a host computer via a network;
comparing retention date of data and expiration date of physical storage device; and
storing the data to a physical storage device of which expiration date is later than the retention date. - View Dependent Claims (22, 23)
- comprising steps of;
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24. A management computer for managing storage systems storing data in a physical storage device for a host computer, comprising:
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a network interface to be coupled to a network; and
a processor coupled to a network interface;
wherein the processor receives a request for storing data to a physical storage device via the network interface from the host computer, compares retention date of the data related to the received request and expiration date of physical storage devices, sends an instruction for storing the data to the physical storage device of which expiration date is later than the retention date of the data to be stored. - View Dependent Claims (25, 26, 27)
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28. In a computer system including a host computer and plurality of storage system with physical storage devices for storing data received from the host computer via a network, a method for storing data, comprising:
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specifying attribute of data to be stored in a physical storage device;
assigning a physical storage device to be satisfied with the attribute; and
storing data to the assigned physical storage device. - View Dependent Claims (29, 30, 31, 32)
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Specification