[nycbug-talk] Raid 5 or 10 with 8 drives?

Bjorn Nelson o_sleep at belovedarctos.com
Sat Apr 15 10:21:08 EDT 2006


On Apr 14, 2006, at 2:58 PM, Francisco Reyes wrote:

> Which of the two above should perform better?
> The one with the RAID 5 has the appeal of more space but only if  
> the speed
> will be comparable.

It depends on what kind of RAID card you have.  I have found some of  
the cheapy dell RAID cards are built to run RAID5 fast and actually  
run RAID 10 as a concatenated instead of striped config.

If you are using software I would go with RAID 10, since trying to  
figure out the xor bit on RAID 5 will impact your cpu during high  
disk usage.


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