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DBA亲，你们的RAID5阵列有保障吗？

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Release： 2016-06-07 17:40:32
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该文章主要整理论坛内容。（论坛地址：http://bbs.et8.net/bbs/showthread.php?t=1026112）很多人遇到过服务器RAID5挂掉，往往掉一个盘后，第二个盘也立刻挂掉。

    该文章主要整理论坛内容。（论坛地址：?t=1026112）

    很多人遇到过服务器RAID5挂掉，美国空间，往往掉一个盘后，香港服务器，香港服务器租用，第二个盘也立刻挂掉。

    理论上两个硬盘同时失效的概率是很低的，但为什么会这样呢？

                                                                                  

 不可修复的读错误的概率。从统计角度来说也比较少见，一般来说是指读取多少位后会出现一次读取错误。






 


 

 

数据巡检（（）

 

 

   对于DB来说：做raid 1+0 是最好不过啦！（备份时必不可少的；

 

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