HOST NQN not updating due to which LUNs connectivity impacted
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HOST NQN not updating due to which LUNs connectivity impacted

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Article ID: 314358

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Updated On: 12-23-2024

Products

VMware vSphere ESXi

Issue/Introduction

Purpose is to update the NQN number from unknown NQN to the host default NQN.


Symptoms:

We unable to change/edit host NQN, need urgent assistance to T-shoot & resolve. The host nqn has been changed from com.vmware to something else, please check here (Working host is in yellow and non working is in pink):

Environment

VMware vSphere ESXi 7.0

Cause

vmknvme_hostnqn_format was set to UUID mode

Resolution

Need to clear the module parameter and reboot the server.

 

$ esxcli system module parameters clear -m vmknvme

$ reboot


Additional Information

Impact/Risks:

-Unable to see the datastore because NQN number is changed from default host NQN to unknown NQN.

-Tried to run the below command to set the hostnqn as default  esxcli nvme info set --hostnqn=default , rebooted the host. Still the same nqn number. 

-We tried to set it manually but it says not supported.