Thanks for the replies, everyone. I didn't expect the debate on
controller price ranges, though. :)
My main concern was not really the price of the hardware ("OMG why
doesn't my $15 card work?!?"), but that the entire setup, hardware +
software, allows silent data corruption to occur. It's not hard to
imagine that something similar might happen with an $800 controller
card, for whatever reason. And how would the user know, unless they
noticed bad data, or happened to look at the mismatch_cnt?
(And in my case, I think that, once the weekly raid-check runs and
updates mismatch_cnt, it's already too late, as the check process has
potentially rewritten bad data to the drives based on the bogus reads.
Is that correct? My array is RAID-6, btw.)
Anyway, I'm going give up on SI-based controllers for now and try a
StarTech PEXSAT34, as the Marvell 88SE9128 is supported natively by
the kernel's AHCI driver.
Thanks,
matt
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