[CentOS] looking for RAID 1+0 setup instructions?

Les Mikesell lesmikesell at gmail.com
Sun Aug 30 17:21:01 UTC 2009

Götz Reinicke wrote:
>> I am using software RAID 10 with CentOS 5.3 and I surely did see a 
>> *huge* performance increase with RAID 10 compared to RAID 1 only.
> I tested 1+0 vers 0+1 vers 5 on the 3ware, the sun build in raid system 
> and using softwareraid on an other (older) server.
> On the iscsi systems and the 3ware controller I tested raid 5 vers. 6 as 
> well.
> May be I should have mentioned that.
> My conclusion on my systems was:
> Level 5 is the best concerning performance/capacity.

That's very strange, considering what the drives physically have to do for raid 
5, especially on small writes.  Did you have a very large number of drives in 
the array?

   Les Mikesell
    lesmikesell at gmail.com

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