--- title: "Create or edit an Auto Extend policy" slug: "create-or-edit-an-auto-extend-policy" updated: 2024-08-28T12:15:10Z published: 2024-08-28T12:15:10Z canonical: "docs.zesty.co/create-or-edit-an-auto-extend-policy" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.zesty.co/llms.txt > Use this file to discover all available pages before exploring further. # Create or edit an Auto Extend policy This section describes how to create a new (or edit an existing) Auto Extend policy. When you create a new policy, it will not be applied until you apply it. Applying an exiting policy is described in [Apply an existing Auto Extend policy to a filesystem](/v1/docs/apply-an-existing-auto-extend-policy-to-a-filesystem). ### Prerequisites - Login access to the Zesty platform #### To create an Auto Extend policy: 1. From the Zesty platform, select **Zesty Disk**. 2. Select the **Policies** tab, then click **Create**. The Create policy dialog is displayed. 3. Select **Storage AutoExtend**. 4. Enter a name for the new policy. 5. Configure the policy: 1. To configure a maximum disk size, beyond which Zesty will not extend, select **Set maximum size** and enter a maximum size (in GB). 2. Select a preferred policy type, **Simple** or **Advanced**. 1. For a **Simple** policy, define the **Threshold** and **Configuration**. 2. For an **Advanced** policy define the **Comfort zone, Risk zone, Start, and End**. The value of **End** should be **Infinity** only for the last tier. To create initial tiers, click + and enter a numeric size in **End**. 3. Review the policy simulation. 6. Click **Create**. The new policy is created. To apply the policy to a filesystem, see [Apply an existing Auto Extend policy to a filesystem](/v1/docs/apply-an-existing-auto-extend-policy-to-a-filesystem). #### To edit an existing Auto Extend policy: 1. From the Zesty platform, select **Zesty Disk**. 2. Select the **Policies** tab. 3. Locate the policy you want to edit, hover over its **Action** column, and select **Edit**. 4. Edit the policy, then click **Update**. The policy is updated. The new parameters will be used wherever this policy was applied in the past or will be applied in the future.