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| Titel |
The Design and Application of Data Storage System in Miyun Satellite Ground Station |
| VerfasserIn |
Xiping Xue, Yan Su, Hongbo Zhang, Bin Liu, Meijuan Yao, Shu Zhao |
| Konferenz |
EGU General Assembly 2015
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 17 (2015) |
| Datensatznummer |
250104981
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| Publikation (Nr.) |
 EGU/EGU2015-4425.pdf |
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| Zusammenfassung |
| China has launched Chang’E-3 satellite in 2013, firstly achieved soft landing on moon for
China’s lunar probe. Miyun satellite ground station firstly used SAN storage network system
based-on Stornext sharing software in Chang’E-3 mission. System performance fully meets
the application requirements of Miyun ground station data storage.The Stornext file
system is a sharing file system with high performance, supports multiple servers
to access the file system using different operating system at the same time, and
supports access to data on a variety of topologies, such as SAN and LAN. Stornext
focused on data protection and big data management. It is announced that Quantum
province has sold more than 70,000 licenses of Stornext file system worldwide,
and its customer base is growing, which marks its leading position in the big data
management.The responsibilities of Miyun satellite ground station are the reception of
Chang’E-3 satellite downlink data and management of local data storage. The station
mainly completes exploration mission management, receiving and management of
observation data, and provides a comprehensive, centralized monitoring and control
functions on data receiving equipment. The ground station applied SAN storage
network system based on Stornext shared software for receiving and managing data
reliable.The computer system in Miyun ground station is composed by business running
servers, application workstations and other storage equipments. So storage systems
need a shared file system which supports heterogeneous multi-operating system.
In practical applications, 10 nodes simultaneously write data to the file system
through 16 channels, and the maximum data transfer rate of each channel is up to
15MB/s. Thus the network throughput of file system is not less than 240MB/s. At the
same time, the maximum capacity of each data file is up to 810GB. The storage
system planned requires that 10 nodes simultaneously write data to the file system
through 16 channels with 240MB/s network throughput.When it is integrated,sharing
system can provide 1020MB/s write speed simultaneously.When the master storage
server fails, the backup storage server takes over the normal service.The literacy of
client will not be affected,in which switching time is less than 5s.The design and
integrated storage system meet users requirements. Anyway, all-fiber way is too
expensive in SAN; SCSI hard disk transfer rate may still be the bottleneck in the
development of the entire storage system. Stornext can provide users with efficient sharing,
management, automatic archiving of large numbers of files and hardware solutions. It
occupies a leading position in big data management. Storage is the most popular
sharing shareware, and there are drawbacks in Stornext: Firstly, Stornext software is
expensive, in which charge by the sites. When the network scale is large, the purchase
cost will be very high. Secondly, the parameters of Stornext software are more
demands on the skills of technical staff. If there is a problem, it is difficult to exclude. |
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