Patent ID: 11868247
Assignee: RADIAN MEMORY SYSTEMS, LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 18:
19. A host device comprising:
at least one processor; and
a non-transitory machine readable media storing instructions that, when executed by the at least one processor, cause the host device to:
transmit a query command to a solid state storage drive (SSD), wherein the SSD comprises flash memory divided into zones that are non-overlapping subdivisions of the flash memory, and responsively receive:
a list of zones in the SSD;
starting logical block addresses for the zones;
capacities for the zones, wherein the starting logical block address and the capacity of each zone define a range of logical block addresses for that zone; and
extents to which zones are unutilized and can receive additional write data;

discovers information provided by the SSD about a specific one of the zones, the specific zone identified by its starting logical block address, wherein the information includes a state of the specific zone; and
in response to discovering the information, transmit a maintenance command to the SSD, wherein the maintenance command identifies the specific zone by its starting logical block address.