Start a node and shut down a node in a Nutanix Cluster

Start Node VMware Using the vSphere client, take the ESXi hosts out of maintenance mode Power On the CVM SSH into the CVM, and issue the following command: ncli cluster status | grep -A 15 cvm_ip_addr Validate that the datastores, are available and connected to all hosts within the cluster Stop Node VMware GUI Using…

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Given a scenario, recognize processes to start, stop, and expand a cluster

Start Cluster Using the vSphere client, take the ESXi hosts out of maintenance mode Power on the CVM’s within the cluster SSH into one of the CVM’s, and issue the following command: cluster start Once completed, it will report back showing that all services are running on all the CVM’s within the cluster Validate that…

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Deploy a Prism Central VM

Installing Prism Central (1-Click Method) You can install a Prism Central VM using the “1-click” method. This method employs the Prism web console from a cluster of your choice and creates the Prism Central VM in that cluster. The “1-click” method is the easiest method to install Prism Central in most cases. However, you cannot…

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Host Disconnects Unexpectedly

Without going into greater detail, we had some networking issues on one of our ESXi hosts. One of the physical NIC’s would flap between 100Mbps, and 1Gbps. This was one of two physical NIC’s that are in an active/active team for my Management vmkernel adapter. The NIC’s in a team so there’s nothing to worry…

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Who’s the vSAN MASTER?

No, it’s not Sho Nuff. After configuring a new four-node vSAN cluster, we noticed some partition errors after a day or so of uptime. The strange thing was the cluster was divided into four partitions. Four masters, four partitions – that’s not good. Let’s see what the hosts have to say via the command line….

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vCloud Director 9.7 Install

A few weeks ago, vCloud Director 9.7 was released. There are a slew of new features in this release, which you can dig into in further detail here. I was anxious to get started with this release, and I wanted to create a walk through on how to get it up and running. Note: The…

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vMotion The operation is not allowed in the current state

It’s a normal day of making configuration changes to our ESXi hosts. As I’m making my way down the the line hosts, I find a single host that will not complete the entering maintenance mode task. Upon further investigation, I see that it’s a single VM holding up the process. Under “Tasks”, it says “The…

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vSAN Objects Inaccessible

While building out a new vSAN Cluster, I received an error for the vSAN object health. I clicked the “Repair Objects Immediately” button, and it thought about it for a minute – but ultimately it was a wasted effort. The “Purge Inaccessible VM Swap Objects” button was up next. But unfortunately, like its partner, it…

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