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Stash supports various backends for storing data snapshots. It can be a cloud storage like GCS bucket, AWS S3, Azure Blob Storage etc. or a Kubernetes persistent volume like HostPath, PersistentVolumeClaim, NFS etc.
The following diagram shows how Stash sidecar container accesses and backs up data into a backend.
You have to create a Repository object which contains backend information and a
Secret which contains necessary credentials to access the backend.
Stash sidecar/backup job reads backend information from the
Repository and retrieves access credentials from the
Secret. Then on the first backup session, Stash will initialize a repository in the backend.
Below, a screenshot that shows a repository created in AWS S3 bucket named
You will see all snapshots taken by Stash at
/snapshot directory of this repository.
Note: Stash stores data encrypted at rest. So, snapshot files in the bucket will not contain any meaningful data until they are decrypted.
Kubernetes Volumeas backend from here.
AWS S3/Minio/Rookbackend from here.
Google Cloud Storage (GCS)backend from here.
Microsoft Azure Storagebackend from here.
OpenStack Swiftbackend from here.
Backblaze B2backend from here.
RESTbackend from here.