Miguel Medalha schrieb:
>> what is your purpose with this Level? I'm asking because I had done some
>> raid level tests some time ago with hardware raid controllers/systems
>> from 3ware, sun and iscsi-raidsystems and some softwareraid setups.
>>
>
> The purpose of using RAID 10 is, of course, performance coupled with
> full redundancy.
>
>> I haven't seen significant performance differences using different
>> levels. (I'm not comparing the controllers.)
>>
>
> Did you test RAID 10 also?
> 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.
Regards,
Götz
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