| 摘要 |
One embodiment is directed to a computer system that includes primary and secondary storage systems. When a request to store a content unit is received, it may be determined whether to store the content unit on the primary storage system or the secondary storage system. In another embodiment, a computer may store information relating to an action to be performed in one of the directories of a file system that corresponds to a period of time. When the period of time to which the directory corresponds arrives, the action may be performed. In another embodiment, a content unit stored on a primary storage system may be copied to a secondary storage system in a computer system. After the content unit has been copied, the secondary storage system may send a delete request to the primary storage system to delete the content unit from the primary storage system.
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