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Storage

Updated October 17, 2026

Block storage (volumes), their copies, scheduled backups and S3-compatible object storage.

Volumes#

Storage › Volumes has four tabs: Volumes, Volume snapshots, Backups and Volume types. The counters at the top show usage in the selected location against the project's limits.

The location's volumes, with their attachment.The location's volumes, with their attachment.
The location's volumes, with their attachment.

Create a volume#

  1. Choose Create volume.
  2. Pick the Source: empty volume, image, snapshot, or another volume.
  3. Set the Size (GiB) and the Volume type, then Create.
Creating a volume.Creating a volume.
Creating a volume.

Attach and detach#

In the volume's menu, Attach to instance connects it to an instance in the same location; Detach disconnects it. The Attached to column then shows the device (for example /dev/vdb). Inside the instance, format and mount it like a new disk before first use.

Volume snapshots#

Create snapshot freezes its content. For an attached volume, the snapshot holds only what is already written to disk: pause writes in the instance for a consistent copy. Revert to latest snapshot puts the volume back in that state; data written since is lost.

Volume backups#

Create backup copies the volume, in Full or Incremental mode (only the blocks changed since the last backup; available once a full backup exists). For an attached volume the backup is taken live: pause writes for a consistent copy. Restore puts a backup back on a volume.

Extend, clone, change type#

Extend
Grows the volume, even attached. Then grow the partition and file system inside the instance. A volume can never be shrunk.
Clone volume
Makes a copy of the volume, ideally with no reads or writes in progress.
Change type
Only possible without snapshots; can take several hours for a large volume.
Create image
Makes an image from the volume. See Images.

Transfer a volume to another project#

  1. In the volume's menu, Create transfer. Copy the Transfer ID and the Auth key: the key is shown only once.
  2. Send both values to the receiving project over a safe channel.
  3. In the receiving project, Accept transfer with those two values. The volume joins that project.

Backup policies#

A policy takes snapshots or backups of your volumes and instances on a schedule, then deletes the oldest automatic copies beyond the number to keep (1 to 30).

Backup policies.Backup policies.
Backup policies.
  1. In Storage › Backup policies, choose Create policy.
  2. Choose what it protects, the schedule and how many copies to keep. Times are in UTC; your local time is shown next to them.
  3. Save. The policy's page then shows the history of its runs.
Creating a backup policy.Creating a backup policy.
Creating a backup policy.

The first policy you enable creates a restricted key in your project, which can only create, read and delete snapshots, backups and instance images. It shows among your API keys; do not revoke it while you use policies.

Object storage#

Object storage provides S3-compatible buckets, at the same site as your instances. Data is stored at a single site, with no copy elsewhere: keep another copy of anything that matters.

Object storage.Object storage.
Object storage.
Creating a bucket.Creating a bucket.
Creating a bucket.