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Stuck with a VCLS Virtual Machine? Here’s How to Overcome the Challenge

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vCLS Retreat Mode: A Lifesaver When NAS Failures Strike

As a vSphere administrator, I’ve been there – that dreaded moment when a NAS box fails and the NFS share it was providing to your vSphere environment is no longer available. It’s not just a minor inconvenience; it can bring your entire virtualization infrastructure to a grinding halt.

But fear not, dear reader! For I have found a hidden gem in the depths of vSphere Cluster Services (vCLS) that can help you escape such predicaments unscathed. It’s called “Retreat Mode,” and it’s a feature that can save your bacon when disaster strikes.

So, what is Retreat Mode, exactly? Essentially, it’s a way to shut down and delete vCLS VMs that are no longer needed or desired. And the best part? It does so without causing any disruptions to your running virtual machines!

To use Retreat Mode, follow these simple steps:

1. Select your cluster object in the vSphere client.

2. Go to Configure > vSphere Cluster Services > General > vCLS Mode > Edit vCLS mode.

3. Select “Retreat Mode” and click OK.

4. Wait for any running vCLS VMs to shut down and delete them.

5. Exit Retreat Mode by selecting “System Managed” and clicking OK.

That’s it! It may look like nothing is happening at first, but if you check the “Recent Tasks” section, you’ll see that any running vCLS VMs have been shut down and deleted, and any other orphaned VMs (including our troublesome one) have been deleted as well.

Now, I know what you’re thinking – what about the datastore that was no longer available? Can we still remove it? The answer is yes! Once the vCLS VMs are gone, you can safely remove the datastore from your vSphere environment.

In conclusion, Retreat Mode is an invaluable feature within vCLS that can help you clean up after a NAS failure or any other situation where you need to remove unwanted vCLS VMs. It’s a quick, easy, and non-disruptive way to regain control of your virtualization infrastructure when things go sideways. So, the next time disaster strikes, remember Retreat Mode – it just might save your bacon!