Patent ID: 8533158
Filing Date: 2013-09-10
Classification: G06F

Abstract:
1. A method of reclaiming storage, comprising: storing a first metadata record associating a first time with a first write of a first data block and a first write of a second data block; storing a second metadata record associating a second time with a second write of the second data block and a first write of a third data block, wherein the second time is later than the first time; receiving an indication that a continuous data protection window moves beyond the second time such that the second time is earlier than any time still in the continuous data protection window; receiving an indication that a user mounts a restore point to ensure that a previous version data is retained beyond the continuous data protection window; in response to receipt of the indication that the user mounts the restore point and receipt of the indication that the continuous data protection window moves beyond the second time: