---
title: "Perform a physical backup for the master of a specific cluster"
method: POST
path: "/api/clusters/{clusterName}/actions/master-physical-backup"
tags: ["ClusterBackup"]
---

# Perform a physical backup for the master of a specific cluster

`POST /api/clusters/{clusterName}/actions/master-physical-backup`

## Request

- The document declares no server URL.
- Auth: none declared

This endpoint triggers a physical backup for the master of the specified cluster.

## Path parameters

- `clusterName` string, required

## Response `200`

Successfully triggered physical backup

- string

## Other responses

- `400`: No cluster found
- `403`: No valid ACL

## Changes

- **2026-07-17** `7465ea0ee21a`: 1 info
  - endpoint added
- **2023-03-31** `b57fc7b9446e`: 1 breaking
  - api removed without deprecation

[Operation history](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/changes/api/clusters/:clusterName/actions/master-physical-backup/post.md)

---

[API](https://skmtc.dev/signal18/apis/signal-18-dashboard-api.md) - [All operations](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/llms.txt) - [OpenAPI document](https://skmtc.dev/signal18/apis/signal-18-dashboard-api/revisions/8ee8a1e31294?raw)