Research on Zhejiang Offsite Disaster Recovery System for Surveying, Mapping and Geoinformation Archives

doi:10.13474/j.cnki.11-2246.2017.0207

Abstract

Abstract: This paper examines the case for Zhejiang offsite disaster recovery center for surveying, mapping and geoinformation archives based on the status quo of its backups, requirements and the levels of disaster recovery. It also discusses the frameworks and techniques of the center and comes up with two design models for disaster recovery systems based on external and internal networks respectively. Much attention goes to how online data are replicated synchronously and asynchronously via NexentaStor, DataGuard and DFS, as well as the maintenance of offsite data remote backups. The combination of online disaster recovery and offsite data backup would provide a comprehensive plan for surveying, mapping and geoinformation professionals.

Key words: surveying and mapping, archives, offsite backup, disaster tolerant

CLC Number:

P208

WANG Liangqing, WANG Yuzhai, LI Aiqin. Research on Zhejiang Offsite Disaster Recovery System for Surveying, Mapping and Geoinformation Archives[J]. 测绘通报, 2017, 0(6): 133-136.

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Research on Zhejiang Offsite Disaster Recovery System for Surveying, Mapping and Geoinformation Archives

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