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求教关于硬盘损坏,数据恢复的问题

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硬盘基本情况    两块校验盘     4块数据盘,数据已存满

求教以下几个小白问题:

1、数据盘损坏一块或两块时,替换硬盘前,共享文件夹数据能否还能正常直接读取(①不能直接读取?②可以部分读取,损坏硬盘中的无法直接读取?③必需替换硬盘并恢复数据后才能读取?④还是其他情况)

2、同时损坏1块校验盘和1块数据盘时,数据是否能完全恢复

3、同时损坏1块校验盘和2块数据盘时,数据是否能完全恢复,如不能恢复,其他盘的数据能否读取

Solved by Pela

  • Solution

1. 可以正常读取,但是需要读取阵列中所有硬盘内容来计算出损坏的硬盘内容

2.可以

3.不可以,两块校验盘只能保证阵列中出现两块或一块硬盘故障

 

个人理解,出现错误请指正

  • Author

非常感谢指导

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