[Lustre-discuss] lustre performance degrade on SuSE 11

[Mag Gam]

Is your network setup properly? Can you scp/ftp file to your OSS as a
test? Check if your network interfaces are properly connected
(autoneg, 1000Full). make sure you aren't getting any packet loss
(netstat -i). Also First then that and see how it goes.


On Wed, Aug 12, 2009 at 3:37 AM, Tharindu Rukshan
Bamunuarachchi<tharindub at millenniumit.com> wrote:
> hi All,
>
>
>
> I have following lustre installation.
>
>
>
> Node A : OSS (SuSE 10) – 1.8.0
>
> Node B : MDS (SuSE 10) – 1.8.0
>
>
>
> Node C: Client (SuSE 11) – 1.8.1
>
>
>
> When try to run “dd” command on lustre mount, it is only writing at 2.1 MB/s
>
> But If mount same file system on Node B, I can achive 45 MB/s performance.
>
>
>
> All nodes are connected to same 3560G cisco switch.
>
>
>
> I saw following error in MDS server message file. Is this related to
> performance of lustre file system ?
>
>
>
> LustreError: 3039:0:(socklnd_cb.c:2228:ksocknal_recv_hello()) Unknown
> protocol version (2.x expected) from 172.25.88.202
>
>
>
>
>
> cheers,
>
> __
>
> tharindu
>
>
>
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