---
title: "Public Cloud Block Storage - Shared responsibilities"
description: "Shared responsibilities between OVHcloud and the customer for Public Cloud Block Storage"
url: https://docs.ovhcloud.com/en/guides/storage-and-backup/block-storage/responsibility-model-block-storage
lang: en
lastUpdated: 2025-08-19
---
# Public Cloud Block Storage - Shared responsibilities

## Objective

The RACI below details shared responsibilities between OVHcloud and the customer for the Public Cloud Block Storage service. This shared model can help relieve the customer’s operational burden.

| Roles                                                       |
| ----------------------------------------------------------- |
| R: Is in charge of carrying out the process                 |
| A: Accountable for the successful completion of the process |
| C: Is consulted during the process                          |
| I: Is informed of the results of the process                |

### 1. Before subscription

#### 1.1. Specify service as needed

| **Activity**                                                                                            | **Customer** | **OVHcloud** |
| ------------------------------------------------------------------------------------------------------- | ------------ | ------------ |
| Choose the Block Storage scale following business needs (Classic, High speed, High speed gen2, LUKS...) | RA           | I            |
| Provide personal data needed for service subscription                                                   | RA           | I            |
| Choose service location aligned with location of Instances                                              | RA           | I            |

### 2. Service availability

#### 2.1. Install the service

| **Activity**                                                        | **Customer** | **OVHcloud** |
| ------------------------------------------------------------------- | ------------ | ------------ |
| Produce, route, deliver and maintain hardware and hosting buildings | I            | RA           |

#### 2.2. Reversibility model

| **Activity**                                                                               | **Customer** | **OVHcloud** |
| ------------------------------------------------------------------------------------------ | ------------ | ------------ |
| Import supported formats for block volume backups or snapshots in OpenStack infrastructure | RA           | I            |

#### 2.3. Customer Information System setup

| **Activity**                                                  | **Customer** | **OVHcloud** |
| ------------------------------------------------------------- | ------------ | ------------ |
| Choose the volume type and storage sizing adapted to the need | RA           | CI           |
| Install softwares needed                                      | RA           |              |

### 3. Service usage

#### 3.1. Operations

##### **3.1.1. Daily operations**

| **Activity**                                                                                           | **Customer** | **OVHcloud** |
| ------------------------------------------------------------------------------------------------------ | ------------ | ------------ |
| Manage data security hosted on the service (confidentiality, integrity, backups, …)                    | RA           |              |
| Manage network accessibility of storage volumes within attached Instances                              |              | RA           |
| Decide to add / remove a Block Storage option (resizing, create a snapshot, create a backup volume)    | RA           | I            |
| Carry out to add / remove a Block Storage option (resizing, create a snapshot, create a backup volume) | I            | RA           |
| Install needed security bricks and tools                                                               | RA           |              |
| Administrate storage service                                                                           | I            | RA           |
| Administrate data                                                                                      | RA           |              |
| Manage backups                                                                                         | RA           |              |
| Manage backups following Customer request (optional)                                                   | CI           | RA           |

##### **3.1.2. Access management**

| **Activity**                                                             | **Customer** | **OVHcloud** |
| ------------------------------------------------------------------------ | ------------ | ------------ |
| Manage access rights to the OVHcloud Control Panel                       | RA           | I            |
| Manage physical and logical access to infrastructures for OVHcloud teams | I            | RA           |
| Manage access and security policy for service users                      | RA           |              |

##### **3.1.3. Monitoring**

| **Activity**                                                                             | **Customer** | **OVHcloud** |
| ---------------------------------------------------------------------------------------- | ------------ | ------------ |
| Manage and monitor physical servers capacity in support of Public Cloud services         |              | RA           |
| Monitor Block Storage clusters' performances                                             | I            | RA           |
| Retain logs of control plane for Instances monitoring (API, hypervisor)                  |              | RA           |
| Retain logs of Information System hosted on Instances                                    | RA           |              |
| Monitor the proper functioning of physical devices (utilities) in support of the service | I            | RA           |
| Create, modify, control, restore, delete jobs of backups                                 | RA           |              |
| Create jobs of backups following subscription to Automated backups option                | AI           | R            |
| Maintain storage and backups devices used for the service                                |              | RA           |

##### **3.1.4. Storage**

| **Activity**                                      | **Customer** | **OVHcloud** |
| ------------------------------------------------- | ------------ | ------------ |
| Manage data encryption of storage space allocated | RA           | CI           |

##### **3.1.5. Management**

| **Activity**                                                            | **Customer** | **OVHcloud** |
| ----------------------------------------------------------------------- | ------------ | ------------ |
| Provide inventory of storage volumes used                               | I            | RA           |
| Manage the security of management infrastructure (API, control plane)   |              | RA           |
| Manage security of OS, softwares and middlewares installed on Instances | RA           |              |
| Manage physical security of equipments and hosted infrastructures       | I            | RA           |
| Manage data security hosted on storage volumes                          | RA           |              |

##### **3.1.6. Business continuity**

| **Activity**                                                            | **Customer** | **OVHcloud** |
| ----------------------------------------------------------------------- | ------------ | ------------ |
| Perform periodic restoration tests                                      | RA           |              |
| Maintain a business continuity and disaster recovery plan for IS hosted | RA           | C            |
| Manage automatic management systems for the infrastructure provided     | I            | RA           |

#### 3.2. Event management

##### **3.2.1. Incidents**

| **Activity**                                                                     | **Customer** | **OVHcloud** |
| -------------------------------------------------------------------------------- | ------------ | ------------ |
| Process hardware and network incidents (tickets and contacts)                    | AI           | RA           |
| Process other incidents                                                          | RA           |              |
| Replace faulty hardware on physical servers and hard disks                       | I            | RA           |
| Restore backups of data volumes                                                  | RA           |              |
| Realize backup recovery in case of subscription to an option managed by OVHcloud | A            | R            |

##### **3.2.2. Changes**

| **Activity**                                                                                        | **Customer** | **OVHcloud** |
| --------------------------------------------------------------------------------------------------- | ------------ | ------------ |
| Deploy updates and patches of OS, softwares, middlewares and Information System hosted on Instances | RA           |              |

### 4. Reversibility

#### 4.1. Reversibility Model

| **Activity**                    | **Customer** | **OVHcloud** |
| ------------------------------- | ------------ | ------------ |
| Plan reversibility operations   | RA           |              |
| Choose fallback infrastructures | RA           | CI           |
| Export data in QCOW2 format     | RA           | I            |

#### 4.2. Data recovery

| **Activity**                    | **Customer** | **OVHcloud** |
| ------------------------------- | ------------ | ------------ |
| Manage reversibility operations | RA           |              |
| Migrate/transfer data           | RA           |              |

### 5. End of service

#### 5.1. Destroy configurations

| **Activity**                                                            | **Customer** | **OVHcloud** |
| ----------------------------------------------------------------------- | ------------ | ------------ |
| Destroy configurations at end of service following contract termination |              | RA           |

#### 5.2. Data destruction

| **Activity**                           | **Customer** | **OVHcloud** |
| -------------------------------------- | ------------ | ------------ |
| Destroy data hosted on volumes storage |              | RA           |
| Destroy end-of-life storage devices    |              | RA           |
