[CentOS] Re: RAID5 or RAID50 for database?

Christopher Chan christopher at ias.com.hk
Sun May 25 10:34:07 UTC 2008


William Warren wrote:
> I'm not a fan of RAID 5 at all since it can only tolerate one failure at 
> all.  Go with raid 10 or something like that which is able to handle 
> more than one failure.  Intermittent, uncorrectable sector failures 
> during rebuilds are becoming an increasing problem with today's drives.
> 

Is that raid10 or raid 1+0 or raid 0+1? :D

At least for the latter two, their handling more than one failure 
depends on which disks blow. Not sure how the raid10 module handles things.



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