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Add v1.2.1 upgrade docs (#470)
Signed-off-by: Kiefer Chang <[email protected]> Co-authored-by: freeze <[email protected]>
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docs/upgrade/automatic.md

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@@ -22,7 +22,7 @@ The following table shows the upgrade path of all supported versions.
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| Upgrade from version | Supported new version(s) |
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|----------------------|--------------------------|
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| [v1.1.2](./v1-1-2-to-v1-2-0.md) | v1.2.0 |
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| [v1.1.2/v1.2.0](./v1-2-0-to-v1-2-1.md) | v1.2.1 |
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| [v1.1.0, v1.1.1](./v1-1-to-v1-1-2.md) | v1.1.2 |
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| [v1.0.3](./v1-0-3-to-v1-1-1.md) | v1.1.0, v1.1.1 (v1.1.1 is recommended) |
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| [v1.0.2](./previous-releases/v1-0-2-to-v1-0-3.md) | v1.0.3 |
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{
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"position": 5,
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"position": 6,
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"label": "Previous Releases"
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}

docs/upgrade/troubleshooting.md

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---
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sidebar_position: 6
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sidebar_position: 7
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sidebar_label: Troubleshooting
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title: "Troubleshooting"
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---

docs/upgrade/v1-0-3-to-v1-1-1.md

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---
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sidebar_position: 4
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sidebar_position: 5
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sidebar_label: Upgrade from v1.0.3/v1.1.0 to v1.1.1
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title: "Upgrade from v1.0.3/v1.1.0 to v1.1.1"
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---

docs/upgrade/v1-1-2-to-v1-2-0.md

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---
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sidebar_position: 2
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sidebar_label: Upgrade from v1.1.2 to v1.2.0
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title: "Upgrade from v1.1.2 to v1.2.0"
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sidebar_position: 3
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sidebar_label: Upgrade from v1.1.2 to v1.2.0 (not recommended)
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title: "Upgrade from v1.1.2 to v1.2.0 (not recommended)"
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---
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<head>
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<link rel="canonical" href="https://docs.harvesterhci.io/v1.2/upgrade/v1-1-2-to-v1-2-0"/>
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</head>
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:::caution
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Due to the known issues found v1.2.0:
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- [An Upgrade is stuck in the Post-draining state](#9-an-upgrade-is-stuck-in-the-post-draining-state)
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- [An upgrade is stuck in the Upgrading System Service state due to the customer provided SSL certificate without IP SAN error in fleet-agent](#10-an-upgrade-is-stuck-in-the-upgrading-system-service-state-due-to-the-customer-provided-ssl-certificate-without-ip-san-error-in-fleet-agent)
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We don't recommend upgrading to v1.2.0. Please upgrade your v1.1.x cluster to v1.2.1.
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:::
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## General information
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### 9. An Upgrade is stuck in the Post-draining state
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:::note
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This known issue is fixed in v1.2.1.
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:::
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The node might be stuck in the OS upgrade process if you encounter the **Post-draining** state, as shown below.
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![](/img/v1.2/upgrade/known_issues/stuck-in-post-draining.png)
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### 10. An upgrade is stuck in the Upgrading System Service state due to the `customer provided SSL certificate without IP SAN` error in `fleet-agent`
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:::note
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This known issue is fixed in v1.2.1.
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:::
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If an upgrade is stuck in an **Upgrading System Service** state for an extended period, follow these steps to investigate this issue:
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1. Find the pods related to the upgrade:

docs/upgrade/v1-1-to-v1-1-2.md

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---
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sidebar_position: 3
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sidebar_position: 4
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sidebar_label: Upgrade from v1.1.0/v1.1.1 to v1.1.2
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title: "Upgrade from v1.1.0/v1.1.1 to v1.1.2"
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docs/upgrade/v1-2-0-to-v1-2-1.md

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---
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sidebar_position: 2
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sidebar_label: Upgrade from v1.1.2/v1.2.0 to v1.2.1
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title: "Upgrade from v1.1.2/v1.2.0 to v1.2.1"
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---
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<head>
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<link rel="canonical" href="https://docs.harvesterhci.io/v1.2/upgrade/v1-2-0-to-v1-2-1"/>
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</head>
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## Important changes to this version
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Harvester `v1.2.1` fixes upgrade known issues found in `v1.2.0`, we suggest upgrading `v1.1.2` and `v1.2.0` clusters to `v1.2.1`. The known issues found in `v1.2.0` are:
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- [An Upgrade is stuck in the Post-draining state](./v1-1-2-to-v1-2-0.md#9-an-upgrade-is-stuck-in-the-post-draining-state)
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- [An upgrade is stuck in the Upgrading System Service state due to the customer provided SSL certificate without IP SAN error in fleet-agent](./v1-1-2-to-v1-2-0.md#10-an-upgrade-is-stuck-in-the-upgrading-system-service-state-due-to-the-customer-provided-ssl-certificate-without-ip-san-error-in-fleet-agent)
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For clusters already upgraded to v1.2.0, please refer to the [release note](https://github.com/harvester/harvester/releases/tag/v1.2.1) for new changes.
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## General information
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:::tip
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Before you start an upgrade, you can run the pre-check script to make sure the cluster is in a stable state. For more details, please visit this [URL](https://github.com/harvester/upgrade-helpers/tree/main/pre-check/v1.1.x) for the script.
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:::
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Once there is an upgradable version, the Harvester GUI Dashboard page will show an upgrade button. For more details, please refer to [start an upgrade](./automatic.md#start-an-upgrade).
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For the air-gap env upgrade, please refer to [prepare an air-gapped upgrade](./automatic.md#prepare-an-air-gapped-upgrade).
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## Known issues
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Please check v1.2.0 [known issues](./v1-1-2-to-v1-2-0.md#known-issues).

versioned_docs/version-v1.2/upgrade/automatic.md

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| Upgrade from version | Supported new version(s) |
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|----------------------|--------------------------|
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| [v1.1.2](./v1-1-2-to-v1-2-0.md) | v1.2.0 |
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| [v1.1.2/v1.2.0](./v1-2-0-to-v1-2-1.md) | v1.2.1 |
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| [v1.1.0, v1.1.1](./v1-1-to-v1-1-2.md) | v1.1.2 |
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| [v1.0.3](./v1-0-3-to-v1-1-1.md) | v1.1.0, v1.1.1 (v1.1.1 is recommended) |
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| [v1.0.2](./previous-releases/v1-0-2-to-v1-0-3.md) | v1.0.3 |
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{
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"label": "Previous Releases"
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}

versioned_docs/version-v1.2/upgrade/troubleshooting.md

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sidebar_label: Troubleshooting
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title: "Troubleshooting"
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