US 11,669,470 B2
Storage system with capacity scalability and method of operating the same
Sungwon Jeong, Suwon-si (KR); Jinhyuk Lee, Seoul (KR); Younghoi Heo, Uijeongbu-si (KR); and Jaeshin Lee, Seoul (KR)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Mar. 24, 2021, as Appl. No. 17/211,064.
Claims priority of application No. 10-2020-0077061 (KR), filed on Jun. 24, 2020.
Prior Publication US 2021/0406205 A1, Dec. 30, 2021
Int. Cl. G06F 13/10 (2006.01); G06F 13/16 (2006.01)
CPC G06F 13/1668 (2013.01) 20 Claims
OG exemplary drawing
 
1. A storage system comprising:
a first storage device with a first capacity, wherein the first storage device is connected to a host device and comprises a host interface for communicating with the host device, wherein the first storage device is configured to operate a host interface layer (HIL) using the host interface and a first flash translation layer (FTL); and
a second storage device with a second capacity, wherein the second storage device is connected to the first storage device and is configured to communicate with the host device through the host interface included in the first storage device, wherein the second storage device is configured to operate a second flash translation layer (FTL) in communication with the HIL of the first storage device, and
wherein the storage system has a third capacity, the third capacity comprising a sum of at least the first capacity and the second capacity.