OpenShift Virtualization: Failed to create VM on OpenShift Virtualization UI if no default StorageClass exists in OCP cluster
Oversigt: The VM cannot be created via OpenShift Virtualization if no default StorageClass exists in OCP cluster. Because non-default StorageClass cannot be selected for rootdisk or for the user added disks. ...
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Symptomer
Failed to create new VM via OpenShift Virtualization UI if no default StorageClass exists in OCP cluster.
Årsag
It is an issue of OpenShift Virtualization feature.
For the VM rootdisk and user added disks, they can only select the default StorageClass in the OCP cluster.
Non-default StorageClass cannot be selected.
For the VM rootdisk and user added disks, they can only select the default StorageClass in the OCP cluster.
Non-default StorageClass cannot be selected.
Løsning
There are two options to workaround this issue:
Example of a default StorageClass:
- Create a default StorageClass with the annotation "storageclass.kubernetes.io/is-default-class: 'true'".
- Modify the existing StorageClass mcp-pf-fs-storageclass, set it to default StorageClass
Example of a default StorageClass:
apiVersion: storage.k8s.io/v1
kind: StorageClass
metadata:
name: my-sc-1
annotations:
storageclass.kubernetes.io/is-default-class: 'true'
provisioner: csi-vxflexos.dellemc.com
parameters:
csi.storage.k8s.io/fstype: ext4
storagepool: SP-SW_NVME-1
systemID: efc2f2902330a60f
reclaimPolicy: Delete
allowVolumeExpansion: true
volumeBindingMode: WaitForFirstConsumerBerørte produkter
APEX Cloud Platform for Red Hat OpenShiftArtikelegenskaber
Artikelnummer: 000217665
Artikeltype: Solution
Senest ændret: 20 feb. 2026
Version: 3
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