US 11,836,156 B2
Snapshot replication operations based on incremental block change tracking
Amit Mitkar, Manalapan, NJ (US); and Sanjay Kumar, Morganville, NJ (US)
Assigned to Commvault Systems, Inc., Tinton Falls, NJ (US)
Filed by Commvault Systems, Inc., Tinton Falls, NJ (US)
Filed on Dec. 16, 2021, as Appl. No. 17/644,769.
Application 17/644,769 is a continuation of application No. 16/660,540, filed on Oct. 22, 2019, granted, now 11,238,064.
Application 16/660,540 is a continuation of application No. 15/454,917, filed on Mar. 9, 2017, granted, now 10,503,753, issued on Dec. 10, 2019.
Claims priority of provisional application 62/306,545, filed on Mar. 10, 2016.
Prior Publication US 2022/0215042 A1, Jul. 7, 2022
Int. Cl. G06F 16/00 (2019.01); G06F 16/27 (2019.01)
CPC G06F 16/275 (2019.01) 20 Claims
OG exemplary drawing
 
1. A method for performing a data protection operation, the method comprising:
receiving first snapshot data associated with a first snapshot of primary data at a first time;
determining a first block-level change to the primary data that occurred between the first time and a second time subsequent to the first time;
receiving cumulative change data in an intermediate staging area based at least on the first block-level change; and
receiving second snapshot data associated with a second snapshot of the primary data at a third time subsequent to the second time, wherein the second snapshot data includes (i) the cumulative change data stored in the intermediate staging area, and (ii) additional change data reflecting a second block-level change to the primary data that occurred between the second time and the third time.