Patent ID: 8713282

Claim:
An apparatus comprising: a plurality of storage partitions, each partition including: a portion of a large scale data store; and metadata corresponding to the portion of the large scale data store, the apparatus configured to: select one of the plurality of storage partitions as a target partition; write data of a large scale data store to be backed up into an active partition, the active partition being one of the plurality of storage partitions; write namespace data for the large scale data store into the active partition, the namespace data including namespace data for a portion of the large scale data store outside the active partition; back up data from the active partition into the target partition; deduplicate the data written into the target partition within the partition but not across other partitions; seal the data written to the target partition against writing any additional data; select a new partition of the plurality of storage partitions that is not sealed as a new target partition; and back up new data of the large scale data store from the active partition to the new target partition.