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doc: add upgrade document for 3.2
Added upgrade document for 3.2 with a separate section on CSI sidecar containers update. Signed-off-by: Mudit Agarwal <muagarwa@redhat.com>
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@ -7,6 +7,7 @@
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- [Upgrading from v2.0 to v2.1](#upgrading-from-v20-to-v21)
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- [Upgrading from v2.1 to v3.0](#upgrading-from-v21-to-v30)
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- [Upgrading from v3.0 to v3.1](#upgrading-from-v30-to-v31)
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- [Upgrading from v3.1 to v3.2](#upgrading-from-v31-to-v32)
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- [Upgrading CephFS](#upgrading-cephfs)
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- [1. Upgrade CephFS Provisioner resources](#1-upgrade-cephfs-provisioner-resources)
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- [1.1 Update the CephFS Provisioner RBAC](#11-update-the-cephfs-provisioner-rbac)
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@ -24,6 +25,7 @@
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- [4.2 Update the RBD Nodeplugin daemonset](#42-update-the-rbd-nodeplugin-daemonset)
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- [4.3 Manual deletion of RBD Nodeplugin daemonset pods](#43-manual-deletion-of-rbd-nodeplugin-daemonset-pods)
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- [Handling node reboot hangs due to existing network mounts](#handling-node-reboot-hangs-due-to-existing-network-mounts)
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- [CSI Sidecar containers consideration](#csi-sidecar-containers-consideration)
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## Pre-upgrade considerations
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@ -76,6 +78,11 @@ to upgrade from cephcsi v2.1 to v3.0
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## Upgrading from v3.0 to v3.1
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Refer [upgrade-from-v3.0-v3.1](https://github.com/ceph/ceph-csi/blob/v3.1.2/docs/ceph-csi-upgrade.md)
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to upgrade from cephcsi v3.0 to v3.1
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## Upgrading from v3.1 to v3.2
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**Ceph-csi releases from master are expressly unsupported.** It is strongly
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recommended that you use [official
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releases](https://github.com/ceph/ceph-csi/releases) of Ceph-csi. Unreleased
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@ -84,12 +91,12 @@ that will not be supported in the official releases. Builds from the master
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branch can have functionality changed and even removed at any time without
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compatibility support and without prior notice.
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git checkout v3.1.0 tag
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git checkout v3.2.0 tag
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```bash
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git clone https://github.com/ceph/ceph-csi.git
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cd ./ceph-csi
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git checkout v3.1.0
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git checkout v3.2.0
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```
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**Note:** While upgrading please Ignore warning messages from kubectl output
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@ -332,7 +339,7 @@ For each node:
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- The pod deletion causes the pods to be restarted and updated automatically
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on the node.
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we have successfully upgraded RBD csi from v3.0 to v3.1
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we have successfully upgraded RBD csi from v3.1 to v3.2
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### Handling node reboot hangs due to existing network mounts
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@ -345,3 +352,15 @@ reboot.
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It is suggested to upgrade to the latest ceph-csi release and drain application
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pods on all the nodes so that new mount option `_netdev` can be added to all
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the mountpoints.
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### CSI Sidecar containers consideration
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With 3.2.0 version of ceph-csi we have updated the versions of CSI sidecar
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containers. These versions are generally compatible with kubernetes
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version>=1.17 but based on the kubernetes version you are using, you need to
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update the templates with required sidecar versions.
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You also might need to update or remove a few arguments based on the sidecar
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versions you are using.
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Refer
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[sidecar-compatibility](https://kubernetes-csi.github.io/docs/sidecar-containers.html)
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for more details.
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