[OmniOS-discuss] Dell H330 and mpt_sas on r151022

[Günther Alka]

The driver is related to the firmware.
I suppose you are on an IR/Raid firmware. The better one would be a 
raidless and often faster IT firmware (mpt_sas). But I cannot say if its 
available from Dell or if the one from LSI is working.

Gea
@napp-it.org


Am 30.06.2017 um 18:53 schrieb Aries:
> Hello,
>
> I noticed that the r151022 starts to support the Dell H330 via mpt_sas 
> driver. So I installed the r151022 fresh on my Dell T630 server with 
> H330 as a VM on ESXi. The H330 was PCI-E passthrough with 8x 7k2 disks 
> in raid z2.
>
> However when I ran the command dmesg | grep sas, it seems that the 
> mr_sas was used for the H330 adapter which is just as same as the 
> r151020 and r151014 version.
>
> I also discovered that the disk performance was worse than the 
> r151020. To compare, I ran all the tests via napp-it filebench. For 
> example, for the fivestreamwrite test, the result of r151020 and 
> r151014 is around 1100mb/s, but the r151022 only shows 650mb/s. I 
> tried multiple combinations like creating the pool in one version and 
> import into another version. The issue seems not related to the 
> creation of the pool but the version which runs the pool.
>
> Did I miss something in the setup that leads the H330 to run with the 
> wrong driver? Could you please give me some advices? Thank you in advance.
>
> Best regards,
> Aries
>
>
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