> For the complete documentation index, see [llms.txt](https://docs.kubemq.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.kubemq.io/configuration/cluster/set-persistence-volume.md).

# Set Persistent Volume

## Set Volume Size

{% tabs %}
{% tab title="Kubemqctl" %}

## Flags

| Flag                  | Type/Options | Default   | Description                            |
| --------------------- | ------------ | --------- | -------------------------------------- |
| --volume-size         | string       | ""        | Desired size of Persisted Volume Claim |
| --volume-storageClass | string       | "default" | Set persisted volume storage class     |

## Examples

Create KubeMQ Cluster with 30Gi Persistent Volume Claim:

```bash
kubemqctl create cluster -v 30Gi
```

Create Kubemq Cluster with 30Gi Persistent Volume Claim and specific Storage Class name:

```bash
kubemqctl create cluster -v 30Gi --volume-storage-class "your-storage-class-name"
```

{% endtab %}

{% tab title="Helm" %}

## Values

| Value               | Type/Options | Default   | Description                            |
| ------------------- | ------------ | --------- | -------------------------------------- |
| volume.size         | string       | ""        | Desired size of Persisted Volume Claim |
| volume.storageClass | string       | "default" | Set persisted volume storage class     |

## Examples

Create Kubemq Cluster with 30Gi Persistent Volume Claim:

```bash
helm install kubemq-cluster --set volume.size=30Gi -n kubemq kubemq-charts/kubemq
```

Create Kubemq Cluster with 30Gi Persistent Volume Claim with specific Storage Class name:

```bash
helm install kubemq-cluster --set volume.size=30Gi,volume.storageClass="your-storage-class-name" -n kubemq kubemq-charts/kubemq
```

{% endtab %}

{% tab title="kubectl" %}

## Fields

| Field        | Type/Options | Default   | Description                            |
| ------------ | ------------ | --------- | -------------------------------------- |
| size         | string       | ""        | Desired size of Persisted Volume Claim |
| storageClass | string       | "default" | Set persisted volume storage class     |

## Examples

Create Kubemq Cluster with 30Gi Persistent Volume Claim:

```yaml
apiVersion: core.k8s.kubemq.io/v1alpha1
kind: KubemqCluster
metadata:
  name: kubemq-cluster
  namesapce: kubemq
  labels:
    app: kubemq-cluster
spec:
  replicas: 3
  volume:
    size: 30Gi
```

Create Kubemq Cluster with 30Gi Persistent Volume Claim with specific Storage Class name:

```yaml
apiVersion: core.k8s.kubemq.io/v1alpha1
kind: KubemqCluster
metadata:
  name: kubemq-cluster
  namesapce: kubemq
  labels:
    app: kubemq-cluster
spec:
  replicas: 3
  volume:
    size: 30Gi
    storageClass: "your-storage-class-name"
```

{% endtab %}
{% endtabs %}


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