KB0059295
Public Cloud Block Storage - Shared responsibilities (EN)
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19.08.2025 
Block volume
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 |
