VIO is not compatible with NSX-v 6.4.7 due to multiple scale issues

Products

• VMware
• VMware Integrated OpenStack

Issue/Introduction

Symptoms:

• VMware Integrated Openstack upgrade from VIO 5.1.0.4 to VIO 6.0 with NSX-v 6.4.7 is failing
• VMware Integrated Openstack upgrade from VIO 5.1.0.4 to VIO 7.0 with NSX-v 6.4.7 is failing
• In logs for the disc-vcenter-vcenter1-xxxx pod, you see entries similar to:

osctl logs disc-vcenter-vcenter1-da674afd-c2bc-4c24-94cf-ac4dab0480dawvpg5

time="2020-06-16T11:00:27Z" level=info msg="successfully created k8sClientSet"
time="2020-06-16T11:00:27.718Z" level=warning msg="Discovery is pending initialization" kind=Discovery name=vcenter-vcenter1 namespace=openstack
...
hostname=172.17.6.98 insecure=true instanceUuid=7b957980-4182-4cf8-a9b2-daed04a3217e [email protected]
time="2020-06-16T11:00:45.783Z" level=info msg="terminated session" apiType=VirtualCenter appVM=vm-6718 hostname=172.17.6.98 insecure=true instanceUuid=7b957980-4182-4cf8-a9b2-daed04a3217e [email protected]
time="2020-06-16T11:00:46.561Z" level=error msg="Discovery 'vcenter-vcenter1' (namespace: openstack) failed while updating server-side object with err (Request entity too large: limit is 3145728)" kind=Discovery name=vcenter-vcenter1 namespace=openstack
time="2020-06-16T11:00:46.569Z" level=fatal msg="encountered error during discovery: Discovery 'vcenter-vcenter1' (namespace: openstack) failed while updating server-side object with err (Request entity too large: limit is 3145728)"
 

Note: The preceding log excerpts are only examples. Date, time, and environmental variables may vary depending on your environment.

 

Environment

VMware Integrated Openstack 7.x
VMware Integrated OpenStack 6.x

Cause

This is VIO LCM issue from discovery side. The root cause is the maximal data size (2 MB) sent from kubernetes to etcd.  

Resolution

This is a known issue affecting VMware Integrated Openstack 6.x.
This is fixed in VMware Integrated Openstack 7.0.1, available at VMware downloads .

Workaround:
We should be recommending customers go from 5.1 to 7.0.1.