Force Majeure is a catastrophic failure on a major level of the database operation. Regular backups are key to helping avoid data loss in such situations.
Which two other steps can help avoid data loss in a major catastrophe?
A. Implement a failover strategy to another geographic location.
B. Create a master-master pair for each service.
C. Have a second data centre in a different region or country.
D. Keep software updated to the latest version.
E. Use RAID 10 storage for datA.
F. Use on-site network-attached storage to separate service from datA.
Answer: AC

在不可抗拒灾难场景下，日常备份能够避免数据丢失。除此之外，还有哪两种措施也能够避免数据丢失？
A．failover到异地数据中心
B．为每个service搭建双主
C．构建异地数据中心
D．保持软件版本始终是最新的
E．使用RAID 10存放数据
F．使用NAS存储将service和数据分开http://www.cndba.cn/hbhe0316/article/22786

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