Change Name of ESXi Hosts in Hyperflex Cluster
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03-30-2021 05:02 AM
Hi,
We have existing running Hyperflex cluster with HX version 4.0.2c and vCenter/ESXi hosts 6.7 U3. Hyperflex cluster has DNS suffix that is domain XXXX.com and ESXi hosts name is esx1.XXXX.com, esx2.XXXX.com and so on.
Can we change the name of the ESXi hosts to esx1.YYYY.com(Basically change the DNS suffix) and also DNS suffix of Hyperflex cluster to different domain YYYY.com.
If yes, then can someone please provide the steps to do so.
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03-30-2021 11:43 PM
Hi @IC2317
Although this is a task I have not had to perform, I remember hearing that it is not as strightforward as just renaming the hosts and updating DNS - there are local host files to be considered as well.
I don't have an environment where I can test it, but this article might help https://kb.vmware.com/s/article/1010821
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03-31-2021 12:36 AM
Thanks for the reply.
Yes, VMware ESXi hosts renaming is straightforward. However, I am looking for information about the impact on hyperflex cluster or recommended approach from Cisco if we want to rename the esxi hosts that are part of Hyperflex cluster.
I don't know what would be the impact on HX cluster if remove the host from cluster and then rename and add it back. Will cisco HX cluster detect that change or will it cause issues.
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08-01-2021 02:29 AM
@IC2317 Did you performed this activity?.I am also facing the same issue .Please let me know if you got any help on this
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08-01-2021 06:34 AM
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03-27-2024 08:18 AM
I have this problem too, any luck guys ?
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03-29-2024 11:41 AM - edited 03-30-2024 06:28 AM
I found an article which may be helpful
https://www.techtarget.com/searchvmware/answer/How-do-you-change-ESXi-65-host-names-and-DNS-configuration
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03-31-2024 05:50 PM
The easiest way Cisco proposed are the following.
- Login to each ESXi host over ssh using the root user, you can check the current hostname with the command esxcli system hostname get, you'll see something like this:
- Then change the hostname to the desired one, in my case I changed it to Server-1-Test, then restart the hostd service:
- You can check the hostname once more with the command in step 1:
