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Thank you for your follow-up. Please find below the requested details regarding the customer's configuration and observations:
1. How are you using this? Share resource definition YAML files that show the bigger picture of this additional network in the context of the OCP cluster.
Customer configured a dedicated network interface using the OpenShift Network Operator. Specifically, the object
networks.operator.openshift.io/clusterwas modified to include anadditionalNetworksentry with the following configuration:spec:
additionalNetworks:
- name: db-ens224
namespace: default
rawCNIConfig: '{
"cniVersion": "0.3.1",
"name": "db-ens224",
"type": "macvlan",
"master": "ens224",
"mode": "bridge",
"ipam": {
"type": "whereabouts",
"routes": [
{ "dst": "172.50.88.0/24" }
],
"range": "172.50.88.0/24",
"exclude": [
"172.50.88.1", "172.50.88.254", "172.50.88.44", "172.50.88.47",
"172.50.88.49", "172.50.88.50", "172.50.88.51", "172.50.88.52",
"172.50.88.53", "172.50.88.54", "172.50.88.154"
]
}
}'
type: Raw
2. What annotations are being applied, and to which resources?
The annotation below was then added to the relevant deployments:
annotations:
k8s.v1.cni.cncf.io/networks: default/db-ens224
This enables the Manage pods to use the dedicated network interface to connect to the external Oracle database.
This annotation is currently applied to the following deployments in the
managenamespace:manage-maxinstallThese deployments are responsible for establishing connectivity with the external Oracle DB.
3. Regarding persistence: Are the annotations being removed from the resources?
At this time, the customer has not observed the annotations being removed automatically (exept for ACM update). However, clarification is being sought on whether this configuration will persist across:
Operator reconciliation cycles
MAS Manage updates
MAS Manage upgrades
IBM Support indicated that, since the annotations are manually added and operators typically use patch operations, the changes should persist unless explicitly overwritten. The customer is monitoring this behavior to confirm.
Could you please provide more information:
How are you using this? Share resource definition yaml files that show the bigger picture of this additional network in the context of the OCP cluster.
What annotations are you applying, what resources are you applying them to?
When you say that the change is not persistant, are saying that the annotations are being removed from the resources?
Some of resources lose annotations, all of them do?
When are they being removed? Every reconcile cycle, or just when Manage is updated to a new version, or just when Manage is upgrade to a new release, or something else?
Specific information would be helpful to determine the Idea for future consideration. Thank you