[ofa-general] ***SPAM*** Re: opensm hang and osmtest report ERR 0130
Hal Rosenstock
hal.rosenstock at gmail.com
Fri Aug 8 11:07:42 PDT 2008
Hi Yicheng,
On Fri, Aug 8, 2008 at 12:18 PM, Yicheng Jia <YJia at tmriusa.com> wrote:
>
> Hi Hal,
>
> I have a question regarding to this issue.
>
> If I have both opensm and Cisco managed switch running in the same subnet,
This is inadvisable. There are a set of issues when running SMs of a
different flavor in the same subnet.
> can opensm automatically detect the Master SM and set itself as the slave
> SM?
Yes, the SM election process will work properly. It relies on high
priority and low GUID. So if OpenSM either has low priority or same
priority and low GUID, it will become standby.
> Or I have to manually disable the SM in the Cisco switch
That would be my recommendation: either run all OpenSMs or all
Cisco/Topspin SMs in your subnet but not a mix of the two.
> in order for the opensm acts properly?
Not sure what you mean by OpenSM acting properly. Both SMs have
different policies for a number of things beyond the spec. There is an
IBTA supplied white paper on management interoperability
(http://www.infinibandta.org/newsroom/whitepapers/mgtinterop_final_1.pdf)
which I think is available to non members (by registering).
-- Hal
> Thanks!
> Yicheng
>
>
>
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> 08/08/2008 09:06 AM
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> general Digest, Vol 19, Issue 31
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> Today's Topics:
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> 1. Re: opensm hang and osmtest report ERR 0130 (Hal Rosenstock)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Fri, 8 Aug 2008 08:57:57 -0400
> From: "Hal Rosenstock" <hal.rosenstock at gmail.com>
> Subject: Re: [ofa-general] opensm hang and osmtest report ERR 0130
> To: "Wen Hao Wang" <wangwhao at cn.ibm.com>
> Cc: general at lists.openfabrics.org
> Message-ID:
>
> <f0e08f230808080557q652756a6he76e5601e6065b0a at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> On Fri, Aug 8, 2008 at 3:29 AM, Wen Hao Wang <wangwhao at cn.ibm.com> wrote:
>>>osmtest uses a non compliant query to get all the paths and likely
>>>only OpenSM supports this extension.
>>>
>>>-- Hal
>>
>> OK. I need opensm is set up. The Cisco switch has TopspinOS-2.6.0/build195
>> installed. Maybe first I need to find out how to diable embedded SM on the
>> switch.
>
> Yes, you should not run a mix of different flavor SMs in a subnet so
> if you want to run OpenSM, you need to disable Cisco/Topspin SM.
>
>> By the way, how can I know which standby/slave SMs exist in my
>> cluster?
>
> saquery -s
> will show all SMs (ports with isSM or isSMDisabled capability
> For more detail, you can run sminfo on all these.
>
> -- Hal
>
>> Wen Hao Wang
>> Email: wangwhao at cn.ibm.com
>
>
>
>
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