Huawei Technologies Co., Ltd.
Data storage method and storage device
The embodiments of the present invention provide a data storage method, including: sending a performance level request to a storage device, which is used to query information about performance level of one or more logical unit number LUNs in the storage device; receiving a response sent by the storage device in response to the performance level request, wherein the response comprises the information about performance levels of the LUNs; and obtaining performance levels of the LUNs according to the information about performance levels of the LUNs so that data to be stored is written into a LUN of a corresponding performance level according to a accessing frequency level of the data to be stored comprised in a write-data instruction when the write-data instruction is received.
Huawei Technologies Co., Ltd.
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Xiaohua
Li