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fix legacy DirectCSI upgrade documentation #851

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merged 1 commit into from Sep 21, 2023
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fix legacy DirectCSI upgrade documentation #851

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3 changes: 3 additions & 0 deletions docs/faq.md
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Expand Up @@ -18,6 +18,9 @@ You need to have necessary privileges and permissions to perform installation. G
### After upgrading DirectPV to v4.x.x, I do not find `direct-csi-min-io` storage class. Why?
Legacy DirectCSI is deprecated including storage class `direct-csi-min-io` and it is no longer supported. Previously created volumes continue to work normally. For new volume requests, use the `directpv-min-io` storage class.

### DirectPV installation fails with error message like _Error; unable to get legacy drives; conversion webhook for direct.csi.min.io/v1beta3, ..._ or similar. Why?
Installing DirectPV also tries to upgrade legacy DirectCSI. Upgrading DirectCSI older than v3.1.0 requires _Conversion webhook_ service running. For appropriate upgrade process, refer [this documentation](./upgrade.md#upgrade-legacy-directcsi-csi-driver)

### In the YAML output of `discover` command, I do not find my storage drive(s). Why?
DirectPV ignores drives that meet any of the below conditions:
* The size of the drive is less than 512MiB.
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8 changes: 6 additions & 2 deletions docs/upgrade.md
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Expand Up @@ -21,14 +21,18 @@ Follow the below steps for an in-place upgrade
$ curl -sfL https://github.com/minio/directpv/raw/master/docs/tools/install.sh | sh - apply
```

### Upgrade legacy DirectCSI CSI driver v3.x.x and v2.0.9
### Upgrade legacy DirectCSI CSI driver
Follow the below steps to upgrade to the latest DirectPV CSI driver from a legacy DirectCSI installation.
1. Uninstall legacy DirectCSI CSI driver.
1. Uninstall DirectCSI driver if you run v3.1.0 or newer version. For other versions, skip this step.
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```sh
$ kubectl directcsi uninstall
```
2. Install the latest DirectPV plugin by [this documentation](./installation.md#directpv-plugin-installation) or upgrade existing DirectPV plugin by [this documentation](#upgrade-directpv-plugin).
3. Install the latest DirectPV CSI driver by [this documentation](./installation.md#directpv-csi-driver-installation).
4. Uninstall DirectCSI driver if you run older than v3.1.0 version. For other versions, skip this step.
```sh
$ kubectl directcsi uninstall
```

## Upgrade DirectPV plugin

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