Re: Convert raid5 to raid1?

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Brad Campbell wrote:
John McMonagle wrote:

I just wonder about the comment "considering the current state of raid5". What might be wrong with raid5 currently?

Perhaps he's referring to the possibility of undetectable data corruption that can occur with software raid5? Granted, there's a very small chance of it happening, but if your array becomes degraded (i.e., you lose a disk, which with the way md currently works, only takes one bad block) and then you have a server crash (or other unclean shutdown of your array), you likely will suffer data corruption.


See this for more details:

http://www.cs.helsinki.fi/linux/linux-kernel/2002-19/0906.html

--
Paul
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