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Mass Data Storage and Processing Environment
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Funded by the CAS Informatization Plan, SDC built a 6.42 PB mass data storage and processing environment in 2010.It had 128 processing nodes, a total memory of 4TB and the total bandwidth connection rate reaching 4Gb/s within the entire CAS, and achieved data transmission and storage services based on IPv4 and IPv6, which is the core infrastructure of CAS data application environment and provides mass data storage and disaster recovery backup for CAS.
 
Mass storage facility is composed of online disk arrays, near-line disk arrays and near-line tape libraries and formed an extendible three-tier storage system overall framework, and now disk array and tape library with corresponding capacity of respectively 1.42PB and 5PB. With deploying hierarchical storage management system software, the mass storage environment embodies the functions of hierarchical storage, migration and move back, data backup and recovery, and it has realized connection optimization with research network environment, supercomputing environment, etc.
 
 

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