added kb for recommendation on deployment of additional workloads on … #45
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…harvester host cluster
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Maybe we can also consider linking the official statement and document. |
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Are any changes requested from my end to the KB? |
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@bk201 Have added the requested changes. Please review and let me know if any further changes are required. |
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dnoland1
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@bk201 Made some wording and formatting changes. Lmk if these changes are okay. Thanks!
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| While it is technically possible to deploy additional workloads on the Harvester host cluster, running other workloads or microservices in the same Kubernetes cluster where Harvester is deployed is not officially supported yet. | ||
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| Moreover, the deployment of other microservices or workloads may invite the following risks: | ||
| 1. They might not be well integrated and tested on Harvester. Additionally, users need to deploy and troubleshoot them on their own. | ||
| 2. Potential conflict with existing features of Harvester. For instance, high system resource consumption can cause downtime. | ||
| 3. No WebUI support, all operations can only be achieved via kubectl or other CLI tools. | ||
| 4. During system upgrades, they would not be covered. For example, if your workload depends on the Kubernetes version, a Harvester upgrade could require a newer version of Kubernetes, which may break your custom workload. | ||
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| Hence, the best practice is to deploy Harvester separately without any additional workloads. Although, we have an experimental feature allowing you to deploy additional workload on Harvester host cluster (bare metal) in Harvester v1.2.0 and for more information on it, please review the [blog](https://www.suse.com/c/rancher_blog/harvester-v1-2-0-release/) and our official documentation [Harvester baremetal container workload support](https://docs.harvesterhci.io/v1.2/rancher/index/#harvester-baremetal-container-workload-support-experimental). |
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| While it is technically possible to deploy additional workloads on the Harvester host cluster, running other workloads or microservices in the same Kubernetes cluster where Harvester is deployed is not officially supported yet. | |
| Moreover, the deployment of other microservices or workloads may invite the following risks: | |
| 1. They might not be well integrated and tested on Harvester. Additionally, users need to deploy and troubleshoot them on their own. | |
| 2. Potential conflict with existing features of Harvester. For instance, high system resource consumption can cause downtime. | |
| 3. No WebUI support, all operations can only be achieved via kubectl or other CLI tools. | |
| 4. During system upgrades, they would not be covered. For example, if your workload depends on the Kubernetes version, a Harvester upgrade could require a newer version of Kubernetes, which may break your custom workload. | |
| Hence, the best practice is to deploy Harvester separately without any additional workloads. Although, we have an experimental feature allowing you to deploy additional workload on Harvester host cluster (bare metal) in Harvester v1.2.0 and for more information on it, please review the [blog](https://www.suse.com/c/rancher_blog/harvester-v1-2-0-release/) and our official documentation [Harvester baremetal container workload support](https://docs.harvesterhci.io/v1.2/rancher/index/#harvester-baremetal-container-workload-support-experimental). | |
| While it is technically possible to deploy additional workloads on a Harvester host cluster, running other workloads or microservices in the same Kubernetes cluster where you deploy Harvester is not officially supported. | |
| Moreover, the deployment of other microservices or workloads may invite the following risks: | |
| - Your workloads might not be well integrated and tested on Harvester, and you would need to deploy and troubleshoot them on your own. | |
| - Potential conflict with existing features of Harvester. For instance, high system resource consumption can cause downtime. | |
| - No Harvester WebUI support. You can only perform all of the operations via kubectl or other CLI tools. | |
| - During system upgrades, covering your workload may not be possible. For example, if your workload depends on a specific version of Kubernetes, a Harvester upgrade could require a newer version of Kubernetes, which may break your custom workload. | |
| The best practice is to deploy Harvester separately without any additional workloads. However, Harvester v1.2.0 introduces an experimental feature allowing you to deploy additional workloads on a Harvester host cluster (bare metal). For more information, please review the [Announcing the Harvester v1.2.0 Release](https://www.suse.com/c/rancher_blog/harvester-v1-2-0-release/#:~:text=BareMetal%20Cloud%20Native%20Workload%20Support%20(Experimental)) blog and our official documentation [Harvester baremetal container workload support (experimental)](https://docs.harvesterhci.io/v1.2/rancher/index/#harvester-baremetal-container-workload-support-experimental). |
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