Alibaba Group Holding Limited
METHOD AND SYSTEM FOR A SOLID STATE DRIVE WITH ON-CHIP MEMORY INTEGRATION

Abstract:

Embodiments include a system for facilitating data storage. During operation, the system receives a request to write data associated with a logical block address (LBA), wherein the LBA indicates a die to which to write the data and includes a sub-LBA which is used as an index for a mapping table stored on the die. The system assigns, based on the LBA, a physical block address (PBA) which indicates the die and includes a sub-PBA which indicates a first physical location in a block of the die at which the data is to be stored. The system stores, in the mapping table based on the sub-LBA, the PBA. The system writes the PBA and the data to the block based on the PBA.