Kernel modules

[Jason Bacon]

On 2019-04-12 07:57, Hans Petter Selasky wrote:
> On 4/12/19 2:39 PM, Jason Bacon wrote:
>> root at zfs-01:~ # ifconfig ib0
>> ib0: flags=8002<BROADCAST,MULTICAST> metric 0 mtu 65520
>>      options=80018<VLAN_MTU,VLAN_HWTAGGING,LINKSTATE>
>>      lladdr 80.0.2.8.fe.80.0.0.0.0.0.0.f4.52.14.3.0.92.88.d1
>>      nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
>
> Can you try setting an mtu of 4000 bytes on both sides and re-run the 
> test? This large mtu I think is not supported.
>
> --HPS
I assume you saw my followup showing 16 Gb/s...

I'll try playing with MTU anyway.  Maybe that will improve performance a 
bit more?

I'm going to do a bunch of tuning and test NFS.  Will report results 
back here when I have some substantial info.

Thanks,

     JB

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