[Lustre-discuss] x4540 (thor) panic

[Brock Palen]

On Jun 15, 2009, at 11:44 AM, Nirmal Seenu wrote:

> We have been running the Lustre servers on a machine with Nvidia
> chipset(nVidia Corporation MCP55 Ethernet (rev a3)) for well over a  
> year
> now, the following two options seems to work the best on these  
> servers:
>
> options forcedeth max_interrupt_work=50 optimization_mode=1

Thanks we put those in place, and disabled bonding for now (running  
on one over taxed gig-e port).

We also tried noapic because of some notes online for the crashes we  
were seeing, but that does not let the MPT disk controllers in the  
machine startup. (sets al drives offline).

Thanks for the note,

Brock

>
> optimization_mode enables Interrupt coalescing.
>
> Nirmal
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