[CentOS] Avago (LSI) SAS-3 controller, poor performance on CentOS 7
John R Pierce
pierce at hogranch.com
Sat Nov 5 19:54:00 UTC 2016
On 11/5/2016 12:08 PM, Gordon Messmer wrote:
> On 11/05/2016 06:40 AM, Steven Tardy wrote:
>> What firmware is/are on the cards?
>
> In the dmesg output I included:
> mpt3sas0: LSISAS3008: FWVersion(10.00.00.00), ChipRevision(0x02),
> BiosVersion(08.25.00.00)
>
>> The driver version difference between C6 and C7 could interact badly
>> with old firmware.
>
> I suspected that was the case, and tried running elrepo's
> "kmod-mpt3sas" from their testing repo. C7 has version 04.100.00.00,
> while elrepo's appears to be 13.100.00.00. That didn't change anything.
>
>> What firmware does $vendor suggest?
>
> Haven't asked yet, since the same firmware produces different behavior
> on the two OSs.
I know with the SAS2 chips (SAS2008, SAS2308, etc), FreeBSD strongly
recommends the firmware revision matches the driver revision, so if the
driver is P20, the firmware also should be P20. I don't have any SAS3
stuff.
--
john r pierce, recycling bits in santa cruz
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