[cfgeeks] Combining hardware and software RAID on Solaris

[Kevin P. Inscoe]

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Gil Young wrote:
> I have four FC chassis coming in, each will have it's own dedicated HBA
> and reside in/on a V890.  This got me to thinking, has anyone ever done
> a combo of hardware and software RAID for performance gains?  Were the
> gains appreciable?
> 
> I'm thinking that it may be a good article/study, at the very least
> tested with simple read/write benchmarks to see how it fares.

I can't imagine software raid ever being a performance gain and since
the 890 does it's own internal raid as well as FC it's seems a no
brainier to me. luxadm is the command you will need to know intimately.
The disks will have unique WWN's and I have seen setups from Sun where
you had two different cntndn's that were mapped to the same WWN so
beware of that.

- --
Kevin P. Inscoe                       Amateur Radio Call Sign: KE3VIN
Deltona, FL 32738                                28.9497N by 81.1952W
kevin [at] inscoe [dot] org                    http://kevininscoe.com
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