[CentOS] Re: RAID5 or RAID50 for database?

[William Warren]

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.

Rudi Ahlers wrote:
> Scott Silva wrote:
>> on 5-22-2008 9:58 PM Bahadir Kiziltan spake the following:
>>> You need at least 6 drives for RAID5. I don't know if Perc 4e/Di
>>> allows configuring the RAID5.
>>>
>> Where did you get this bit of information? You can create a raid 5 
>> with 3 or more disks.
>>
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> 3 drives is not really recommended, since if 1 dies, you'll probably 
> loose the whole set. Rather use min 4 drives, where 1 drive is a hot spare)
> 

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