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Dane Kennedy

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Hi there,

I hope it's okay to ask this question here. I've been running some MPI programs on our cluster and got some errors that indicated something wrong with the fabric. I then ran ibdiagnet to see if I could pinpoint the issue, but then received a complaint from sys admin that doing so could negatively impact the cluster performance. I was wondering how much impact this could possibly have? The entire diagnostic took around 8 minutes to run -- which means it's not spending much time on each compute node. Could it impact the switches badly? I can't imagine it uses much of the bandwidth? I've asked and they couldn't elaborate why running the diagnostic may be harmful -- does someone here know perhaps?

Thanks,
Dane.
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No problem! Good luck! :-)
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Chen Simon

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Simon
Email:  sixshy@gmail.com
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Mellanox Tech (@mellanoxtech) twitteó a las 1:14 AM on mar, ene 15, 2013:
Data Sheet Fujitsu InfiniBand HCA 40 Gb 1/2 port QDR enhanced http://t.co/qSIGyOEU
(https://twitter.com/mellanoxtech/status/290975092870098944)

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Mellanox Technologies
owner

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Happy New Year. Want a change to Win, Take a pic wearing a Mellanox shirt and post to Google Plus. We will send the best pics some gift cards
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About this community

Mellanox Technologies )is a leading supplier of end-to-end InfiniBand and Ethernet interconnect solutions and services for servers and storage. Mellanox interconnect solutions increase data center efficiency by providing the highest throughput and lowest latency, delivering data faster to applications and unlocking system performance capability. www.mellanox.com.

Mellanox Technologies
owner

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Bridgeworks protects organisations’ existing investments in iSCSI servers and Fibre Channel devices | http://bit.ly/YEfUfe
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Mellanox Technologies
owner

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Thanks so much for Joining and help build the Mellanox Community. In the effort of continuing to grow the Mellanox Community program we have now opened our own community. Be one of the first to sign up and connect with Mellanox.
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Mellanox Tech (@mellanoxtech) twitteó a las 8:03 PM on jue, ene 10, 2013:
Don't Miss! Extend Ethernet with RDMA Connectivity Reach to Campus Wide Areas with Mellanox MetroX | Jan 16, 8am pst | http://t.co/QVNydttq
(https://twitter.com/mellanoxtech/status/289447272922624000)

Consigue la aplicación oficial de Twitter en https://twitter.com/download
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John Summers

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Welcome to the new Mellanox Community. If you have any questions let us know.
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