| 摘要 |
<p>Provided are a method, device and system for controlling data storing, wherein, the method for controlling data storing includes: writing target data into a first storage and a second storage, both of which belong to a storage group comprising at least two storages; when a storage whose amount of residual storage space is less than or equal to a threshold exists in the storage group, synchronizing the target data to a image storage of the first storage, wherein, the image storage of the first storage belongs to a storage group which is a image storage group of the storage group; marking the target data in the second storage as invalid to complete logging and synchronization process for the target data. Since individual log storage for storing the target data is not required, the performance of a system for controlling data storing is no longer affected by the log storage, and is improved effectively.</p> |
