Can v2 data engine be enable with the helm chart?
# longhorn-storaget
thousands-advantage-10804
07/24/2025, 2:18 AMCan v2 data engine be enable with the helm chart?
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famous-journalist-11332
07/26/2025, 2:16 AMt
thousands-advantage-10804
07/26/2025, 2:17 AMI tried that and it deployed but failed to actually mount the pvcs.
thousands-advantage-10804
07/26/2025, 2:19 AMthis is what I tested with
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helm upgrade -i longhorn longhorn/longhorn -n longhorn-system --create-namespace --set ingress.enabled=true --set ingress.host=longhorn.$domain --set defaultSettings.storageMinimalAvailablePercentage=25 --set defaultSettings.allowCollectingLonghornUsageMetrics=false --set persistence.defaultDataLocality="best-effort" --set persistence.dataEngine=v2thousands-advantage-10804
07/26/2025, 2:40 AMerror message :
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driver.longhorn.io_csi-provisioner-76bf7c68ff-pm7tf_f4e7e443-c5aa-4799-b511-792110c16433 failed to provision volume with StorageClass "longhorn": rpc error: code = Internal desc = Bad response statusCode [500]. Status [500 Internal Server Error]. Body: [code=Internal Server Error, detail=, message=failed to create volume: unable to create volume pvc-b1c61641-aa98-421c-9ec4-c9c6940577f6: admission webhook "<http://validator.longhorn.io|validator.longhorn.io>" denied the request: v2-data-engine data engine is not enabled] from [<http://longhorn-backend:9500/v1/volumes>]thousands-advantage-10804
07/26/2025, 2:48 AMScreenshot 2025-07-25 at 10.47.56 PM.jpg
thousands-advantage-10804
07/26/2025, 2:50 AMdo you have an example that works?
b
billowy-painting-56466
07/30/2025, 5:31 AMpersistence.dataEngine only sets the engine for the default StorageClass. To enable and use the V2 engine, try set defaultSettings.v2DataEngine.