Block Storage¶
Disk volumes for cloud instances across clouds.
Overview¶
Block storage provides persistent disk volumes that attach to cloud instances. Volumes persist independently of the instance lifecycle -- data is retained when an instance is stopped or terminated.
| Provider | Service |
|---|---|
| AWS | Elastic Block Store (EBS) |
| Azure | Managed Disks |
| GCP | Persistent Disks |
| Alibaba Cloud | Elastic Block Storage |
| OVH | Block Storage Volumes |
| OpenStack | Cinder Volumes |
Use cases: database storage, low-latency application data, boot volumes, high-performance workloads.
Retrieving Block Storage¶
- Select a Cloud Key in the Keys panel
- Right-click and choose Retrieve Block Storages
- Volumes appear in the Block Storages panel
Actions¶
| Action | Description |
|---|---|
| Update EBS Storage | Modify volume settings |
| Create Snapshot | Create a point-in-time snapshot |
| Share | Grant access to users, groups, or organizations |
| Publish | List on the Marketplace |
| Customize | Update label and metadata |
| Delete | Remove from RosettaHub |
Attaching Block Storage¶
Block storage volumes can be attached to running machines:
- Launch a formation or machine
- Attach the volume through RosettaHub or the cloud provider console
- Mount the volume in the operating system
Related Topics¶
- Storages Overview -- All storage types
- Snapshots -- Point-in-time copies of block storage
- Cloud Keys -- Retrieve storage resources
- Sessions -- Attach volumes to running instances