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Demo Time: How to delete the vCLS VMs

Duncan Epping · Oct 27, 2020 · 2 Comments

As I have a bunch of questions around how you can delete the vSphere Cluster Service VMs (vCLS VMs) I figured I would create a quick demo. It is pretty straight forward, and it should only be used when people are doing some kind of full cluster maintenance. This demo shows you how to get the VMs deleted by leveraging a vCenter Server Level Advanced setting (config.vcls.clusters.domain-c<identifier>.enabled). I have also written a post which has a bunch of requirements, Q&A, and considerations for the vCLS VMs, if you are interested in that read it here. Note, if you have a resource pool configuration, enabling “retreat mode” (disabling vCLS)) doesn’t impact resource pools in any shape or form, it just impact DRS load balancing. Anyway, I hope you find the demo useful.

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Server 7.0 u1, 7.0 update 1, update 1, vcls, vSphere, vsphere cluster, vsphere cluster service

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Comments

  1. Serhei says

    11 November, 2020 at 15:02

    What is a workaround when all vCLs VMs were deleted? How to recreate them?

    Reply
    • Duncan Epping says

      12 November, 2020 at 12:48

      If they have been deleted you enable vCLS again using the advanced setting shown in the demo. If for whatever reason they just disappeared, add the advanced setting with “False”, wait for 60 seconds, then change the value to “True” and they should pop up again.

      Reply

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About the author

Duncan Epping is a Chief Technologist in the Office of CTO of the HCI BU at VMware. He is a VCDX (# 007) and the author of multiple books including "vSAN Deep Dive" and the “vSphere Clustering Technical Deep Dive” series.

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