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Added notes for longhorn nodes 

Signed-off-by: Tuan-Dat Tran <tuan-dat.tran@tudattr.dev>
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Tuan-Dat Tran 2024-10-08 04:40:16 +02:00
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@ -50,3 +50,24 @@ export KUBECONFIG=~/.kube/config
``` ```
Install flux and continue in the flux repository. Install flux and continue in the flux repository.
## Longhorn Nodes
To create longhorn nodes from existing kubernetes nodes we want to increase
their storage capacity. Since we're using VMs for our k3s nodes we can
resize the root-disk of the VMs in the proxmox GUI.
Then we have to resize the partitions inside of the VM so the root partition
uses the newly available space.
When we have LVM-based root partition we can do the following:
```sh
# Create a new partition from the free space.
sudo fdisk /dev/sda
# echo "n\n\n\n\n\nw\n"
# Create a LVM volume on the new partition
sudo pvcreate /dev/sda3
sudo vgextend k3s-vg /dev/sda3
# Use the newly available storage in the root volume
sudo lvresize --extents +100%FREE --resizefs /dev/k3s-vg/root
```