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docs: update storage.md

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Update storage.md to use `machine.nodeLabels`.

Signed-off-by: Noel Georgi <git@frezbo.dev>
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Michael Fornaro 2023-04-04 19:18:50 +10:00 committed by Noel Georgi
parent 07bb61e60c
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website/content/v1.4/kubernetes-guides/configuration/storage.md
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@ -85,16 +85,29 @@ This can be done with `talosctl patch machineconfig` or via config patches durin
Some examples are shown below: modify as needed. Some examples are shown below: modify as needed.
First create a config patch file named `mayastor-patch.yaml` with the following contents:
```yaml
- op: add
path: /machine/sysctls
value:
vm.nr_hugepages: "1024"
- op: add
path: /machine/nodeLabels
value:
openebs.io/engine: mayastor
```
Using gen config Using gen config
```bash ```bash
talosctl gen config my-cluster https://mycluster.local:6443 --config-patch '[{"op": "add", "path": "/machine/sysctls", "value": {"vm.nr_hugepages": "1024"}}, {"op": "add", "path": "/machine/kubelet/extraArgs", "value": {"node-labels": "openebs.io/engine=mayastor"}}]' talosctl gen config my-cluster https://mycluster.local:6443 --config-patch @mayastor-patch.yaml
``` ```
Patching an existing node Patching an existing node
```bash ```bash
talosctl patch --mode=no-reboot machineconfig -n <node ip> --patch '[{"op": "add", "path": "/machine/sysctls", "value": {"vm.nr_hugepages": "1024"}}, {"op": "add", "path": "/machine/kubelet/extraArgs", "value": {"node-labels": "openebs.io/engine=mayastor"}}]' talosctl patch --mode=no-reboot machineconfig -n <node ip> --patch @mayastor-patch.yaml
``` ```
> Note: If you are adding/updating the `vm.nr_hugepages` on a node which already had the `openebs.io/engine=mayastor` label set, you'd need to restart kubelet so that it picks up the new value, by issuing the following command > Note: If you are adding/updating the `vm.nr_hugepages` on a node which already had the `openebs.io/engine=mayastor` label set, you'd need to restart kubelet so that it picks up the new value, by issuing the following command