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High-performance storage system is a key technology research

Author: GuanQiang
Tutor: ZhouJingLi
School: Huazhong University of Science and Technology
Course: Computer System Architecture
Keywords: Storage Systems Peer network Scalability Fault Tolerance Quick Search
CLC: TP333
Type: Master's thesis
Year: 2011
Downloads: 34
Quote: 0
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Abstract


Massive information storage requirements , the performance of the storage system put forward higher requirements. The development of high-performance storage systems become the current storage technology research hotspot. In the analysis of various storage systems based on the structure and characteristics , summed up the storage system performance trends. For storage system scalability, fault tolerance , and retrieval performance related research . By using a structured P2P network Chord will be scattered in the Internet nodes form into multiple storage devices P2P storage network , to improve the storage system scalability. In the storage network , using the data stored in the storage redundancy mechanism for network data replication backup , repair mechanisms through periodic testing to reduce the storage network and node failures destruction of user data , and enhance the storage system fault tolerance. Build a metadata server , through metadata server and user-based packet retrieval mechanisms to improve the efficiency of the storage system retrieval , and proposed a content-based retrieval mechanisms to achieve semantic retrieval of user files . Metadata server for a single point of failure , constructed a metadata server group structure to improve the reliability of the metadata server . It consists of two metadata servers , and to provide services , and by means of a journaling mechanism for metadata synchronization. In the study, based on a prototype implementation of the storage system . Finally, the prototype system functions were tested , analyzed the prototype system scalability and fault tolerance ; metadata server , the average search time and the use of their search algorithm Chord average retrieval time tested and verified by comparing the metadata servers fast retrieval efficiency. It should be noted that, due to experimental conditions, the prototype system to the actual application, the system performance to be further improved .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Electronic digital computer (not a continuous role in computer ) > Memory
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