US 11,954,341 B2
External storage of internal drive management data
Jin Quan Shen, Singapore (SG); Xiong Liu, Singapore (SG); David W. Miller, Boulder, CO (US); and Choonwei Ng, Singapore (SG)
Assigned to SEAGATE TECHNOLOGY LLC, Fremont, CA (US)
Filed by Seagate Technology LLC, Fremont, CA (US)
Filed on May 5, 2022, as Appl. No. 17/737,719.
Prior Publication US 2023/0359375 A1, Nov. 9, 2023
Int. Cl. G06F 3/06 (2006.01); G06F 9/4401 (2018.01)
CPC G06F 3/0634 (2013.01) [G06F 3/0625 (2013.01); G06F 3/0658 (2013.01); G06F 9/4401 (2013.01); G06F 3/0679 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A data storage system comprising:
a plurality of data storage drives each having internal drive management data stored in volatile memory of a respective data storage drive; and
a system controller, external to and coupled to each data storage drive of the plurality of data storage drives, the system controller configured to, for each data storage drive of the plurality of data storage drives, store the internal drive management data in non-volatile memory of the system controller, extract the internal drive management data from the volatile memory for storage in the non-volatile memory, and provide the stored internal drive management data to the data storage device volatile memory.