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Chapter 6. Mirroring data for hybrid and Multicloud buckets
You can use the simplified process of the Multicloud Object Gateway (MCG) to span data across cloud providers and clusters. Before you create a bucket class that reflects the data management policy and mirroring, you must add a backing storage that can be used by the MCG. For information, see Chapter 4, Chapter 3, Adding storage resources for hybrid or Multicloud.
You can set up mirroring data by using the OpenShift UI, YAML or MCG command-line interface.
See the following sections:
6.1. Creating bucket classes to mirror data using the MCG command-line-interface
Prerequisites
- Ensure to download Multicloud Object Gateway (MCG) command-line interface.
Procedure
From the Multicloud Object Gateway (MCG) command-line interface, run the following command to create a bucket class with a mirroring policy:
$ noobaa bucketclass create placement-bucketclass mirror-to-aws --backingstores=azure-resource,aws-resource --placement Mirror
Set the newly created bucket class to a new bucket claim to generate a new bucket that will be mirrored between two locations:
$ noobaa obc create mirrored-bucket --bucketclass=mirror-to-aws
6.2. Creating bucket classes to mirror data using a YAML
Apply the following YAML. This YAML is a hybrid example that mirrors data between local Ceph storage and AWS:
apiVersion: noobaa.io/v1alpha1 kind: BucketClass metadata: labels: app: noobaa name: <bucket-class-name> namespace: openshift-storage spec: placementPolicy: tiers: - backingStores: - <backing-store-1> - <backing-store-2> placement: Mirror
Add the following lines to your standard Object Bucket Claim (OBC):
additionalConfig: bucketclass: mirror-to-aws
For more information about OBCs, see Chapter 9, Object Bucket Claim.