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sim80n
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vSAN Witness

We would like to change the network that our vSAN witness for our stretched cluster is connected to. Is there a supported method for doing so?

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TheBobkin
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@sim80n This should just be a case of changing the IP on the vsan-tagged vmk interface of the Witness. Validate the clusters data is healthy before doing so via Skyline Health.

 

You should of course validate that the data-nodes can reach this and not need things such as static-routes etc. .

 

An alternative would be to just deploy a new Witness with the new IP and replace the current one with it via the 'Replace Witness' button in the vSAN Fault Domains UI.

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TheBobkin
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@sim80n This should just be a case of changing the IP on the vsan-tagged vmk interface of the Witness. Validate the clusters data is healthy before doing so via Skyline Health.

 

You should of course validate that the data-nodes can reach this and not need things such as static-routes etc. .

 

An alternative would be to just deploy a new Witness with the new IP and replace the current one with it via the 'Replace Witness' button in the vSAN Fault Domains UI.

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sim80n
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@TheBobkin  Thank you for the response. Tried to change the IP but ran into an issue. Deploying a new witness worked.

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