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Evan Harris <auctionitis@xxxxxxxxx> wrote on Mon, 22 Sep 2014--
18:49:31 GMT:
Could you please expand on that comment a little to explain why that
is ?
I'd just like to understand this a little better.
A single parity set will only utilize one of the paired adapters a the
path to/from storage devices to the system. In other words, you've
set things up so one active adapter and the second is acting as an
auxiliary write cache device. This is not how the adapter firmware
expects things to be and latency is introduced .... meaning longer
disk response times. True for both SSDs and HDDs, but more noticeable
with SSDs.
--
Sue
IBM Americas Advanced Technical Sales Support (ATS) Power Systems
Rochester, MN
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