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Is RAID-4 on 2 disks a RAID-1 in fact?

krzysztof_karpeta
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I have a questin to DataONTAP experts.

I can create a RAID-4 configuration on 2 disks (aggr create -t raid4 -r 2).

How do you think, is it RAID-1 in fact?

PS.

I know, the difference between RAID-1 (mirror level) and RAID-4 (parity level), but I don't know how RAID-4 works on 2 disks.

Thank you.

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