Prerequisites
- Kubernetes v1.21 - 1.24.
- Kubectl utility is installed locally.
- Helm v3.8+ is installed on the client host.
- Amazon EFS CSI driver is installed in the kubernetes cluster.
- Cognigy.AI installation must be >= v4.45.
- Snapshots/Backups of all EFS Persistent Volume Claims/Persistent Volumes (flow modules, functions) are must be ready before the migration starts.
Migration process
-
Retain the
flow-modules
andfunctions
Persistent volumes. -
Enable the EFS CSI provisioner in the
values.yaml
file.For more details, check here -
Disable the currently running efs provisioner in the
values.yaml
file by deleting the following code block. -
Delete the
flow-modules
andfunction
StorageClass. -
Reapply the helm chart.