You have installed two 64G flash devices to support the Database Smart Flash Cache feature on your database server that is running on Oracle Linux.You have set the DB_SMART_FLASH_FILE parameter:DB_FLASH_CACHE_FILE= ‘/dev/flash_device_1 ‘,’ /dev/flash_device_2’How should the DB_FLASH_CACHE_SIZE be configured to use both devices?（） A.Set DB_FLASH_CACHE_SIZE=64G B.Set D3_FLASH_CACHE_SIZE=64G, 64G C.Set D3_FLASK_CACKE_SI2E=128G D.db_flash_cache_SI2E is automatically configured by the instance at startup