Form Rancher version 2.13.0 the Longhorn App it's removed from "Tools", and probably won't be maintained.

my idea it's move all to Longhorn official chart... but exist a problem.

Rancher made two different apps: longhorn and longhorn-crd

an like normal you you to install/upgrade longhorn you see this error:

helm install longhorn longhorn/longhorn --namespace longhorn-system --version 1.9.2 --create-namespace --dry-run

Error: INSTALLATION FAILED: Unable to continue with install: CustomResourceDefinition "backingimagedatasources.longhorn.io" in namespace "" exists and cannot be imported into the current release: invalid ownership metadata; annotation validation error: key "meta.helm.sh/release-name" must equal "longhorn": current value is "longhorn-crd"

the idea it's make a backup and clean the annotations:

kubectl get crd -l "app.kubernetes.io/instance=longhorn-crd" -o yaml > longhorn-crd-backup.yaml

kubectl get crd | grep longhorn.io | awk '{print $1}' | while read crd; do
kubectl patch crd $crd --type=merge -p '{
"metadata": {
"annotations": {
"meta.helm.sh/release-name": "longhorn",
"meta.helm.sh/release-namespace": "longhorn-system"
},
"labels": {
"app.kubernetes.io/name": "longhorn",
"app.kubernetes.io/instance": "longhorn",
"app.kubernetes.io/managed-by": "helm"
}
}
}'
done

and after make the install/upgarde. But I not sure if this approach can work.

Someone made this migration? I think it's not only me in this situation :-)

Note: I made a backup of all, but I don't want to re install all PVC in the cluster