mongodb日志冗余（防止日志丢失）
[英]mongodb journal redundancy (prevent journal loss)
问题描述
Is it possible to configure multiple journal groups in MongoDB to prevent journal loss in case of a disk failure? 
是否可以在MongoDB中配置多个日志组，以防止磁盘故障时日志丢失？
If it doesn't make sense please explain why this is not necessary. 如果没有意义，请说明为什么没有必要。
1 个解决方案
解决方案1
0 2015-01-11 02:08:15
No, it's not possible to configure multiple journals. 不，不可能配置多个日记帐。 Usually, protecting against disk failure is done with RAID setup, not with a MongoDB configuration. 通常，防止磁盘故障是通过RAID设置完成的，而不是通过MongoDB配置完成的。 However, having a machine running in a replica set also helps protect the data as a whole from problems with any one member. 但是，让计算机在副本集中运行还有助于保护整个数据免受任何一个成员的问题的影响。
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