Research On A Method Of High Speed Data Storage

The rapid development of modern information technology has promoted hu-man society into the digital age. The amount of information and exchange ca-pacity has grown impressively, and new application fields continue to emerge. The transmission, processing and storage for such a large amount of data bring unprecedented opportunities and challenges for storage systems.The data transmission and storage are the two most important aspects in the storage system. This thesis explores the maximum performance of network and disk drive for the pervasive device on the background of seismic oil and gas exploration system. The memory copy and frequent interrupts make it difficult to perform high-speed, continuous, reliable data transmission and storage for PC. We design a prototype to achieve low power consumption, small cost, high-speed, reliable data transmission and storage with hardware implementation. Taking the advantage of FPGA on the parallel processing, we relieve CPU burden on the transmission and storage protocol, so that more resources can be used for algorithm processing and data operations.The thesis is divided into the following five chapters:Based on requirements of data storage, chapter1introduces the evaluation standard of the storage devices and systems. After analyzing the needs of seismic oil and gas exploration system, we propose a storage prototype with hardware implementation.Chapter2begins with tiered storage approach, introduces the basic storage devices, and analyzes the methods of improving storage system performance and reliability. Then we discuss the implementation of the interface and channel for storage. Finally, a brief analysis of optimizing storage is presented. Chapter3describes the details of hardware implementation for the prototype, involving digital clock synchronization, reset, interfaces, bus and power system. The principle diagram and the state machine are provided. We mainly discuss he reliable data transmission of Gigabit Ethernet and data storage of SATA interface.Chapter4gives the preliminary testing results, including the accuracy of the digital clock synchronization, the throughput of reliable data transmission based on the Gigabit Ethernet, the link initialization results for SATA hard disk drive etc., as well as brief discussion and analysis of testing results.Finally, it’s summary and outlook. The prototype can be used as a platform to carry out in-depth study of data transmission, processing and storage.