Patent ID: 9396243
Filing Date: 2016-07-19
CPC Classification: G06F

Claim Text:
1. A method comprising: sending a first short hash handle and a first identity bit associated with the first short hash handle to a replication site, wherein a short hash handle is generated using a full hash having n bits and the short hash handle is a lowest n−1 bits of the full hash, the full hash is hash of data on a disk; determining if a second short hash handle at the replication site is identical to the first short hash handle; determining if a second identity bit associated with the second short hash handle at the replication site is set in response to the second short hash handle being identical to the first short hash handle; using the second hash handle to identify data on the disk in response to the second identity bit being set; in response to the second short hash handle not being identical to the first short hash handle and the first identity bit not being set: