[OpenIndiana-discuss] Comstar Fibre Channel Target

[Gonzalo Seoane]

Hi Mark!
What is your hba configuration?
You can try to change queue deep on your hba to see if your throughput
change.

Most of time that silve my problem with others systems .
El 04/09/2014 05:29, "Mark" <mark0x01 at gmail.com> escribió:

> Does anyone have experience with Comstar as a Fibre Channel Target ?
>
> I build one some years ago, which ran really well, but my latest effort is
> disappointing.
>
> Throughput is abysmal, only reaching about 20 Mbytes/sec depending on
> block size.
>
> Zpool is raidz with 30 x 4Tb SAS disk attached to a 6G SAS IT controller.
> Local disk throughput reaches over 400 Mbytes/sec.
>
>
> The Initiator is Windows 2012 with Qlogic 8G adapter, and Qlogic 4G at the
> OI end, with straight cable.
>
> It works, no errors I can find, but performance just sucks.
>
> In desperation, I'm about to try swapping the Qlogic for an Emulex HBA.
>
> Can anyone offer suggestions on identifying possible causes ?
>
> Mark.
>
>
>
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