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DETERMINING WEIGHT VALUES FOR STORAGE DEVICES IN A STORAGE TIER TO USE TO SELECT ONE OF THE STORAGE DEVICES TO USE AS A TARGET STORAGE TO WHICH DATA FROM A SOURCE STORAGE IS MIGRATED
DETERMINING WEIGHT VALUES FOR STORAGE DEVICES IN A STORAGE TIER TO USE TO SELECT ONE OF THE STORAGE DEVICES TO USE AS A TARGET STORAGE TO WHICH DATA FROM A SOURCE STORAGE IS MIGRATED
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机译:确定存储层中的存储设备的权重值,以选择一个存储设备,以用作从源存储中迁移数据的目标存储
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摘要
The present invention relates to a method, system, and computer program product for determining storage device weight values to use to select one of the storage devices to use as a target storage to which data from a source storage is migrated. A determination is made, for each of the storage devices, of static parameter values for static parameters comprising attributes of the storage device and dynamic parameter values for dynamic parameters providing device health information determined by accessing the storage device to determine operational conditions at the storage device. Storage device weight values are determined as a function of the static parameter values and the dynamic parameter values of the device. The determined storage device weight values are used to select one of the storage devices as the target storage to which data from the source storage is migrated.
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