US 11,853,561 B2
Backup integrity validation
Arieh Don, Newton, MA (US); Krishna Deepak Nuthakki, Bangalore (IN); and Jehuda Shemer, Kfar Saba (IL)
Assigned to Dell Products L.P., Hopkinton, MA (US)
Filed by Dell Products L.P., Hopkinton, MA (US)
Filed on Apr. 13, 2022, as Appl. No. 17/719,416.
Prior Publication US 2023/0333752 A1, Oct. 19, 2023
Int. Cl. G06F 3/06 (2006.01); H04L 9/32 (2006.01)
CPC G06F 3/0622 (2013.01) [G06F 3/064 (2013.01); G06F 3/067 (2013.01); H04L 9/3247 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method comprising:
receiving one or more chunks of data from a production device at a storage array;
selecting at least one of the one or more of the chunks of data by the storage array;
for each individually selected chunk, the storage array:
calculating a chunk signature;
sending the chunk to a target device on a remote storage system; and
sending the chunk signature to a signature device on the remote storage system; and
remotely relative to the storage array:
creating a first signature device snapshot;
creating a first target device snapshot; and
associating the first signature device snapshot and the first target device snapshot as a first snap pair.