US 11,755,222 B2
File based encryption for multi-pathing devices
Kundan Kumar, Bangalore (IN); and Sanjib Mallick, Bangalore (IN)
Assigned to EMC IP Holding Company LLC, Hopkinton, MA (US)
Filed by EMC IP Holding Company LLC, Hopkinton, MA (US)
Filed on Feb. 26, 2021, as Appl. No. 17/186,354.
Prior Publication US 2022/0276799 A1, Sep. 1, 2022
Int. Cl. G06F 3/06 (2006.01); G06F 21/60 (2013.01)
CPC G06F 3/0643 (2013.01) [G06F 3/0623 (2013.01); G06F 3/0673 (2013.01); G06F 21/602 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
at least one processing device comprising a processor coupled to a memory;
wherein the at least one processing device is configured:
to control delivery of input-output operations from a host device to a storage system over selected ones of a plurality of paths through a network;
to identify whether operational information of the host device corresponding to a given write input-output operation comprises one or more index nodes;
to analyze the one or more index nodes responsive to a positive identification;
to determine whether one or more portions of data corresponding to the given write input-output operation comprise file data based on the analysis of the one or more index nodes;
to encrypt at least part of the file data responsive to an affirmative determination; and
to deliver the given write input-output operation comprising the encrypted file data to the storage system.