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RAID 1 with P400i controller?

 
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H_Bachner
Regular Advisor

RAID 1 with P400i controller?

Is it possible to configure a P400i the following way:

- 2 disks as one RAID 1 array, giving one logical drive
- 4 disks as two RAID 1 arrays, giving two logical drives

The quickspecs for the P400i storage controller (http://h18000.www1.hp.com/products/quickspecs/12400_div/12400_div.HTML) are not quite clear on this.

The "Fault Tolerance" section says:
"... several fault tolerance configurations are supported including: [...]
RAID 1, 1+0 (Drive Mirroring) ..."

but the "Technical Specifications" section at the end lists only RAID 6, RAID 5, RAID 1+0 and RAID 0. Does this mean that only stripe sets can be mirrored?

Thanks for for your help,
Hans.
2 REPLIES
MarcoGuillen
Occasional Visitor
Solution

Re: RAID 1 with P400i controller?

A RAID 1+0 with 2 HDDs is the same as a RAID 1. Hope this can help you
H_Bachner
Regular Advisor

Re: RAID 1 with P400i controller?

Thanks, that is what I hoped for. But the different wording "1, 1+0" vs. only "1+0" confused me.

Hans.