My environment has a vCenter managing a few ESXi host through cross site. i.e. vCenter at DC1 managing 4x ESXi at DC2.
As of current, I am facing intermittent connection between my vCenter and ESXi and that renders my ESXi unable to be managed.
As the network issue is beyond my means and that my customer is pushing to roll out the latest ESXi patches to fix security vulnerability, I am trying to assess a few things before proceeding to patch my servers.
I would like to know what could be the behavior during the following situation
1) Triggered maintenance mode for one of my ESXi host in a cluster through vcenter.
Q: While the virtual machines is moving to other available host halfway and my vcenter lost connection to the whole cluster, what will happen? Will the vmotion / virtual machines be affected?
note* my cluster is configured with DRS for the vmotion but not HA.
2) Triggered remediation through update manager
Q: During this process, if the vcenter lost connection to the whole cluster, what will happen?
Any response will be of help thank you!
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