A widely-supported method for collecting statistics from ethernet
switching devices is SNMP. As Woody said, you wouldn't manage your
ethernet network any differently than you do now. In addition many many
tools have been written to make use of SNMP counters, so you won't have
a hard time finding tools, both commercial and open source.
Tom
On 03/26/2010 11:29 AM, Woodruff, Robert J wrote:
Pradeep wrote,
With IBoE/RoCEE, the traditional SM in IB clusters is not needed. Most of the
current
IB tools rely on the SM and PM to get packet and error statistics and so on.
These
won't be applicable with IBoE/RoCEE. netstat will have no value since the kernel
has been bypassed. So, how does one monitor traffic in such a cluster?
Some managed Ethernet switches have the ability to log into them and get
information
on packets transmited/received on each port and errors that are detected.
However,
these are typically proprietary. I am not sure about the Mellanox card.
So I guess the answer is that you manage RoCCE and iWarp clusters just like
you would any Ethernet cluster, with existing management tools that are
available
for managing Ethernet.
woody
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Tom Ammon
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Center for High Performance Computing
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