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Thomas_SG
Advisor

‎06-06-2016 02:18 AM

‎06-06-2016 02:18 AM

Excessive packet loss after VSA upgrade from 12.0 to 12.6

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I just upgraded one of my 3-node VSA clusters today from v12.0 to 12.6. The upgrade process was smooth with no issues along the way.
Only right after the upgrade completed successfully, I started getting warnings which said the following

The IP 'VSA1' has 'Excessive' packet loss. Packet Loss is ' 1.27'%.

I have a Cisco 3850 switch stack where these HP ProLiant DL380p Gen8 servers are connected to. Switch ports did not show any errors, input/output queue or any abnormally high CPU at this time.
I received these warnings for 2 of the 3 nodes and it continued on for about 1 hour after the upgrade was completed, after which it stopped.
I had a look at some performance counters within StoreVirtual CMC and I saw several peaks for "Queue Depth Total" which went to 100 at times.

Just wondering if these warnings are normal/expected after performing such an upgrade?

I have two other 3-node clusters to upgrade as well, so wanted to get some feedback on this before I proceed.

Thanks.

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