From: Or Gerlitz <ogerlitz-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
To: Mathis GAVILLON <jbiboche-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Cc: Jack Morgenstein
<jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>,
"linux-rdma
(linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org)"
<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: Re: "Virtual" ibnetdiscover command fails
Date: Wed, 6 Feb 2013 11:22:50 +0200 [thread overview]
Message-ID: <511220EA.4020607@mellanox.com> (raw)
In-Reply-To: <CAOoYFkF_nE4JNg2ooKXHyO2jqQkjOyczqmBHSehZHtS2tBEFLQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
On 06/02/2013 11:17, Mathis GAVILLON wrote:
> Ok. But what is it possible to do with Infiniband VFs if QP0 is not available ?
EVERYTHING, e.g run IPoIB, iSER, RDS, MPI, etc, etc - except for what
requires QP0, such as running SM or issuing SMPs for
discovery/diagnostics purposes
>
>
> 2013/2/5 Jack Morgenstein <jackm-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>:
>> Mathis,
>>
>> You cannot use SMP packets on a virtual host (this is a security issue,
>> VFs are not trusted). Since QP0 (SMP) is not available on VFs,
>> any tool which attempts to use QP0 (SMPs) will fail.
>>
>> Thus, OpenSM will not run over a VF, nor will ibnetdiscover,
>> nor will sminfo (which uses SMP).
>>
>> -Jack
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next prev parent reply other threads:[~2013-02-06 9:22 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-05 15:41 "Virtual" ibnetdiscover command fails Mathis GAVILLON
[not found] ` <CAOoYFkFw-0WDYt6gQ-t0V6QaV8p7qraYrMbA-NxeiPVfUy2Bkg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-02-05 15:55 ` Or Gerlitz
[not found] ` <201302052134.17622.jackm@dev.mellanox.co.il>
[not found] ` <CAOoYFkF_nE4JNg2ooKXHyO2jqQkjOyczqmBHSehZHtS2tBEFLQ@mail.gmail.com>
[not found] ` <CAOoYFkF_nE4JNg2ooKXHyO2jqQkjOyczqmBHSehZHtS2tBEFLQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-02-06 9:22 ` Or Gerlitz [this message]
[not found] ` <511220EA.4020607-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2013-02-06 9:36 ` Mathis GAVILLON
[not found] ` <CAOoYFkEWkxMOsU2VejmYXXcpQY3+LxJCHpBswh6L6fTJgwoe1A@mail.gmail.com>
[not found] ` <CAOoYFkEWkxMOsU2VejmYXXcpQY3+LxJCHpBswh6L6fTJgwoe1A-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-02-06 10:20 ` Or Gerlitz
[not found] ` <51122E7D.3030607-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2013-02-06 10:40 ` Sebastian Riemer
[not found] ` <5112332B.6090200-EIkl63zCoXaH+58JC4qpiA@public.gmane.org>
2013-02-06 12:39 ` Or Gerlitz
2013-02-25 18:46 ` srptools ("Virtual" ibnetdiscover command fails) Bart Van Assche
2013-02-06 10:26 ` "Virtual" ibnetdiscover command fails Sebastian Riemer
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