https://huawei.github.io/css-docs/en/v4.11.0/installation-and-deployment/csi/upgrade/Recent content in Upgrade on HuaweiHugoenCopyright © 2025 Huawei Technologies Co., Ltd. All rights reserved.https://huawei.github.io/css-docs/en/v4.11.0/installation-and-deployment/csi/upgrade/manual-upgrade/Mon, 01 Jan 0001 00:00:00 +0000https://huawei.github.io/css-docs/en/v4.11.0/installation-and-deployment/csi/upgrade/manual-upgrade/<p>This section describes how to manually upgrade Huawei CSI.</p> <p>During the upgrade or rollback, the existing resources such as PVCs, snapshots, and Pods will run properly and will not affect your service access.</p> <blockquote> <p><img src="https://huawei.github.io/css-docs/css-docs/public_sys-resources/en-us/icon-notice.gif"></p> <ul> <li>Some CSI 2.<em>x</em> versions are unavailable now. If the upgrade fails, CSI may fail to be rolled back to a version which is unavailable now.</li> <li>During the upgrade or rollback, you cannot use Huawei CSI to create new resources or mount or unmount an existing PVC.</li> <li>During the upgrade or rollback, do not uninstall the snapshot-dependent component service.</li> </ul> </blockquote> <h2 id="section260220843210">Upgrading CSI from 2.x or 3.x to 4.11.0</h2> <p>To upgrade CSI from 2.<em>x</em> or 3.<em>x</em> to 4.11.0, perform the following operations:</p>