>> I hope this isn't too far off topic for this list. Postgres is
>> the main application that I'm looking to accomodate. Anything
>> else I can do with whatever solution we find is just gravy...
> You've given me a lot to go on... Now I'm going to have to do some
> research as to real-world RAID controller performance. It's vexing
> (to say the least) that most vendors don't supply any raw
> throughput or TPS stats on this stuff...
One word of advice. Stay away from Dell kit. The PERC 4 controllers
they use don't implement RAID 10 properly. It's RAID 1 + JBOD array.
It also has generally dismal IOPS performance too. You might get away
with running software RAID, either in conjunction with, or entirely
avoiding the card.
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