US 11,698,736 B2
Storage system and method of operating the same
Yong Tae Jeon, Gyeonggi-do (KR)
Assigned to SK hynix Inc., Gyeonggi-do (KR)
Filed by SK hynix Inc., Gyeonggi-do (KR)
Filed on Jan. 12, 2022, as Appl. No. 17/574,266.
Claims priority of application No. 10-2021-0044873 (KR), filed on Apr. 6, 2021; and application No. 10-2021-0048090 (KR), filed on Apr. 13, 2021.
Prior Publication US 2022/0317899 A1, Oct. 6, 2022
Int. Cl. G06F 3/06 (2006.01)
CPC G06F 3/0631 (2013.01) [G06F 3/065 (2013.01); G06F 3/0614 (2013.01); G06F 3/0689 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A storage system, comprising:
a master storage device configured to store data based on a RAID level determined by a host; a slave storage device configured to store the data according to a command distributed from the master storage device; and
a controller hub configured to couple the slave storage device to the master storage device, wherein the master storage device is further configured to: transfer the command to the slave storage device through the controller hub when the master storage device receives a command processing request from the host; and
transmit a complete queue (CQ) to the host when operations of the master storage device and the slave storage device are completed in response to the command processing request, and
wherein the master storage device is further configured to request a host to allocate a capacity to each function in the master storage device and the slave storage device based on a reference capacity.