[Bug 14831] mptsas - Use of ATA command pass-through results in unreliable operation - drive / controller resets

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https://bugzilla.kernel.org/show_bug.cgi?id=14831





--- Comment #14 from amf <andy.fletcher@xxxxxxxxxxxxxxx>  2010-04-29 09:27:19 ---
This isn't going to solve your MPTSAS problem, but may help you choose to move
on.

I've found LSI to be fairly unresponsive on this matter, and the same goes for
my vendor (Dell, who the moment you mention Linux just aren't interested).

LSI have now brought out their new range of 6Gb/sec based cards which use the
MPT2 system and I therefore doubt they will be progressing the development of
MPT any further.

The good news is that if you get hold of an MPT2 card (LSISAS2008 chipset) you
should (at least by my testing) be able to migrate your RAID to this card using
the BIOS. The MPT2 drivers seem a whole lot better (I understand they're a
complete re-write, which speaks volumes about how good the MPT driver was,
IMHO). I've not been able to break them so far.

Performance also seems to be quite improved.

HTH.

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