红帽全球峰会6.9. AWS Elastic Block Store CSI Driver Operator
6.9.1. Overview
OpenShift Container Platform is capable of provisioning persistent volumes (PVs) using the AWS EBS CSI driver.
Familiarity with persistent storage and configuring CSI volumes is recommended when working with a Container Storage Interface (CSI) Operator and driver.
To create CSI-provisioned PVs that mount to AWS EBS storage assets, OpenShift Container Platform installs the AWS EBS CSI Driver Operator (a Red Hat operator) and the AWS EBS CSI driver by default in the openshift-cluster-csi-drivers namespace.
- The AWS EBS CSI Driver Operator provides a StorageClass by default that you can use to create PVCs. You can disable this default storage class if desired (see Managing the default storage class). You also have the option to create the AWS EBS StorageClass as described in Persistent storage using Amazon Elastic Block Store.
- The AWS EBS CSI driver enables you to create and mount AWS EBS PVs.
If you installed the AWS EBS CSI Operator and driver on an OpenShift Container Platform 4.5 cluster, you must uninstall the 4.5 Operator and driver before you update to OpenShift Container Platform 4.21.
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