| 摘要 |
Provided are a system to rebuild a redundant secondary storage cache, which includes first and second storage devices, and a method for the same. A metadata entry used to display the effectiveness of a portion of information associated with an area of the first storage device and stored by a first storage cache device is received. If the effectiveness of the portion of the information associated with the area of the first storage device is made, area locking is required with respect to the area of the first storage device associated with the portion of information stored by the first storage cache device. In addition, the portion of the information associated with the area of the first storage device and the corresponding metadata entry is copied from the first cache storage device to the secondary storage cache device to rebuild the second storage cache device. |
