US 12,153,822 B2
Storage device, host system having the same, and operating method thereof
Junyong Uhm, Seoul (KR); Junggyu Kim, Hwaseong-si (KR); Eunjoo Oh, Suwon-si (KR); Jaesub Kim, Seoul (KR); Yangwoo Roh, Hwaseong-si (KR); Jeongbeom Seo, Seoul (KR); and Jaewon Song, Hwaseong-si (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Jul. 14, 2022, as Appl. No. 17/865,035.
Claims priority of application No. 10-2021-0183355 (KR), filed on Dec. 21, 2021.
Prior Publication US 2023/0195308 A1, Jun. 22, 2023
Int. Cl. G06F 3/06 (2006.01); G06F 12/084 (2016.01)
CPC G06F 3/0653 (2013.01) [G06F 3/0604 (2013.01); G06F 3/0673 (2013.01); G06F 12/084 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A host system comprising:
a storage device;
a shared memory separate from the storage device; and
a host device configured to generate a host log of the host device and store the host log in a first region of the shared memory,
wherein the storage device is further configured to:
read the host log from the first region of the shared memory,
generate composite logs by adding a timestamp and log-type information to the host log and at least one storage device log of the storage device, and
write the composite logs in a second region of the shared memory.