[Users] qos and lustre

[Hal Rosenstock]

There is discussion on linux-rdma about the RDMA CM changes which were
rejected.

There is no Lustre keyword in qos policy for OpenSM.

It looks like the way to do this from linux-rdma discussion on the RDMA CM
patch is via a combination of service ID (TCP), TCP port, and target GUID.

That's all I know right now.

-- Hal

On Thu, Mar 23, 2017 at 2:43 PM, Black.S <Black.S52 at yandex.ru> wrote:

> Hello all
>
> May be any body know how to configure lustre and qos.
>
> In some links [1,2,3] Isew that lustre have:
> * only Service ID that related with Service Level (SL) in file
> qos_policy.conf
> * Service ID configure by modprobe lustre module ko2iblnd.ko with option
> 'service'
>
> qos-ulps
>         default :0                          # default SL (OPENMPI or MPI)
>         any, service-id 0x987 : 2  # Lustre service ID. Default 987. How I
> can understand this may be also other number
> end-qos-ulps
>
> options ko2iblnd service=987
>
> But this not working. I use OFED 3.18-2 and linux kernel 3.10.
>
> In [2] proposed way to some configure SL by 'lctl --net o2ib conn_list'
> but I cant understand how.
>
> How i can setup SL for lustre or may be setup service level and refer to
> it in qos_policy.conf. That I am doing wrong ?
>
>
> P.S. I found some patches [2] opensm qos_policy and rdma_cm but I cant
> found it in release OFED. Is were patches been rejected ?
>
> Referenced links
> 1. http://lustre-discuss.lustre.narkive.com/FBoojkAs/infiniband
> -qos-with-lustre-ko2iblnd
> 2. https://bugzilla.lustre.org/show_bug.cgi?id=18360#c2
> 3. https://bugzilla.lustre.org/show_bug.cgi?id=18602#c2
> 4. http://www.spinics.net/lists/linux-rdma/msg02152.html
>
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