US 12,066,896 B2
Systems, methods, and devices for data recovery using parity space as recovery space
Yang Seok Ki, Palo Alto, CA (US); and Sungwook Ryu, Palo Alto, CA (US)
Assigned to SAMSUNG ELECTRONICS CO., LTD., (KR)
Filed by Samsung Electronics Co., Ltd., Suwon-si (KR)
Filed on Apr. 9, 2021, as Appl. No. 17/227,262.
Application 17/227,262 is a continuation in part of application No. 17/109,053, filed on Dec. 1, 2020, granted, now 11,803,446.
Claims priority of provisional application 63/137,133, filed on Jan. 13, 2021.
Claims priority of provisional application 63/057,744, filed on Jul. 28, 2020.
Claims priority of provisional application 63/052,854, filed on Jul. 16, 2020.
Claims priority of provisional application 63/051,158, filed on Jul. 13, 2020.
Claims priority of provisional application 63/023,243, filed on May 11, 2020.
Prior Publication US 2021/0349781 A1, Nov. 11, 2021
Int. Cl. G06F 11/10 (2006.01); G06F 3/06 (2006.01); G06F 11/16 (2006.01); G06F 11/30 (2006.01)
CPC G06F 11/1092 (2013.01) [G06F 3/0619 (2013.01); G06F 3/0659 (2013.01); G06F 3/0689 (2013.01); G06F 11/1658 (2013.01); G06F 11/3034 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method comprising:
operating a first storage device and a second storage device as a redundant array group configured to use parity information to recover information from a faulty storage device, wherein the first storage device is configured to store first data, and the second storage device is configured to store second data, and wherein the second storage device comprises a parity space and a data space;
operating the first storage device in a fault resilient mode comprising a modified access mode with at least partial read capability based on a fault condition of the first storage device; and
copying at least a portion of the first data from the first storage device to the parity space of the second storage device.