1. A method for managing data deduplication, comprising: receiving data at a storage system; generating a persistent consistency point image (PCPI) of the received data on the storage system, the PCPI comprising a pointer referencing duplicate data in an active file system of the storage system; performing data deduplication on the active file system while the pointer references the duplicate data; receiving additional data at the storage system prior to completing the data deduplication; completing the data deduplication on the received data; performing a second data deduplication on the received additional data; completing the second data deduplication and generating a second PCPI of the received data and the received additional data in response to completing the second data deduplication; storing the second PCPI at the storage system; and deleting the first PCPI in response to storing the second PCPI.