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Certain Solid State Drives (SSD) modules will stop functioning at 40,000 power-on hours (~4.5 years) if firmware is not updated. REVIEW UPGRADE DETAILS HERE
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Patrick Colbeck
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‎03-28-2012 09:01 AM
‎03-28-2012 09:01 AM

1000v and 802.1Qaz or what are we actually programming ?

When we configure CBWFQ queuing on 1000v what are we actually programing if the uplink is a 10Gb CNA ?

Are we programing the Ethernet chip behind the CNA or the CNA itself ?

If it is the CNA then what about the QoS pushed down to the CNA from the switch (eg Nexus 5K/2K).as these could conceivably be different ?

For example the 5K could be telling the CNA to allow 30% for COS 2 but the 1000v might be saying 40%.

I am not talking about when using Cisco UCS here but generic servers with say Qlogic CNAs.

I am getting more and more confused about what is actually happening with uplink QOS the more I read about it.

Can anyone shed light on this and relieve the serious headache I am developing ?

Thanks

Pat

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