US 11,928,036 B2
Recovery from broken mode
Kentaro Sugino, San Jose, CA (US); Mahesh Bhadragiri Acharya, Bengaluru (IN); and Sharwan Lal Saini, Bengaluru (IN)
Assigned to Kioxia Corporation, Tokyo (JP)
Filed by Kioxia Corporation, Tokyo (JP)
Filed on Mar. 30, 2022, as Appl. No. 17/709,046.
Prior Publication US 2023/0315587 A1, Oct. 5, 2023
Int. Cl. G06F 11/14 (2006.01); G06F 9/4401 (2018.01)
CPC G06F 11/1469 (2013.01) [G06F 9/4401 (2013.01); G06F 2201/84 (2013.01)] 26 Claims
OG exemplary drawing
 
1. A method of recovering a storage device from a failure mode by a controller, the method comprising:
executing a boot up of the storage device;
determining whether an instruction for pseudo boot up of the storage device has been received;
switching from the boot up to a pseudo boot up of the storage device if an instruction for the pseudo boot up has been received, the pseudo boot up restoring the storage device to a prior operational state up to a point in time when the storage device encountered a failure triggering event that caused the storage device to enter the failure mode; and
resuming operation of the storage device from the prior operational state.