I usually match the corresponding Distributed Port Group and add EPH to denote it is the Ephemeral version of the Port Group. Give your new Port Group a meaningful name. Right click your DVS, select “Distributed Port Group” and click “New Distributed Port Group…” You add an Ephemeral Port Group the same way you’d add any other Distributed Port Group. What does that mean? It’s a DVS Port Group that can be modified when vCenter is offline. Now that we’ve recovered the VCSA, lets implement the more graceful solution.Įnter the Ephemeral Distributed Port Group.Īn Ephemeral Distributed Port Group is a special Port Group that does not adhere to the same binding restrictions. Of course, once the recovery is complete, the VCSA and the stolen vmnic uplink must be moved back to the DVS. Now, in the ESXi GUI, simply edit the VM NIC and attach it to the newly created VSS Port Group. Using this vmnic, we’ll create a new Virtual Standard Switch and attach the VCSA to a Standard Port Group. We are left with a somewhat painful option: using the host CLI, we must force a vmnic out of the Distributed Virtual Switch. How do you bring the VCSA back online? The easy/fast answer is an Ephemeral Distributed Port Group but this customer didn’t have any configured. No Virtual Standard Switches existed on the system and all vmnics are assigned to the Distributed Virtual Switch. The VCSA couldn’t be added back to the existing Distributed Port Group. Since the VCSA was offline, the DVS configuration couldn’t be modified. This VCSA was on a Distributed Port Group and was running on a cluster for which it was the management plane. The customer simply logged into the host and edited the settings for the NIC to get things back online: Not quite. A quick investigation showed that while the VCSA was powered on after the host failure, the virtual NIC was disconnected. After a recent outage a customer was unable to bring their VCSA back online.
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