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Backups are not optional. If you are hosting business-critical applications on a VPS, your backup plan must be based on how disks are actually covered—not assumptions.
We recently raised a few questions with the OVHcloud support team to understand what is covered under Premium Automated Backup and Snapshot Backup. Their response highlights a key point that many teams miss: system disk partitions are covered, but additional attached disks are not.
OVHcloud confirmed that Premium Automated Backup covers the system disk, which includes all partitions created on that system disk.
Example: If your VPS has a 200 GB system disk and you split it into multiple partitions such as:
All of these partitions will be included in the automated backup because they belong to the same system disk.
Key takeaway: Splitting the system disk into multiple partitions does not reduce backup coverage.
This is the most important part: Premium Automated Backup does not include additional attached disks.
So if you attach an extra disk (for example, a 100 GB additional disk) and store any of the following on it:
…that data will not be included in the Premium Automated Backup. You must back it up separately using your own method (scripts, external storage, object storage, etc.).
Risk note: If the VPS fails and you restore using OVH backups, your attached-disk data may be missing unless you have a separate backup plan.
Snapshots are often assumed to be “full VPS backups”, but OVHcloud clarified that snapshots:
So snapshots help for OS + application rollback scenarios, but they should not be treated as a complete backup for extra storage volumes.
| Backup Type | System Disk | System Disk Partitions | Additional Attached Disk |
|---|---|---|---|
| Premium Automated Backup | ✅ Yes | ✅ Yes | ❌ No |
| Snapshot Backup | ✅ Yes | ✅ Yes | ❌ No |
If your storage requirement is small to medium, keeping critical data on the system disk ensures it is included in automated backups and snapshots.
If you store important files or databases on an additional disk, implement a separate backup strategy, such as:
A strong approach is to use both:
System disk = covered. Attached disk = your responsibility.
Before going live, confirm where your critical data is stored and design your backup plan around disk-level coverage. This single step can prevent major downtime and irreversible data loss.
At Nextwebi, we help businesses design secure and scalable cloud infrastructure, implement automated backup and disaster recovery strategies, and ensure production systems are protected end-to-end.
If you want us to review your VPS setup and backup plan, reach out to our team.
