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OADP-1791: Added suggestions for the backup types #93556

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OADP-1791: Added suggestions for the backup types #93556

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OADP-1791: Added suggestions for the backup types
apurvabhide17 May 19, 2025
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apurvabhide17 May 27, 2025
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apurvabhide17 Jun 6, 2025
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8 changes: 8 additions & 0 deletions ...cation_backup_and_restore/backing_up_and_restoring/backing-up-applications.adoc
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Expand Up @@ -12,13 +12,21 @@ Because all taken backup remains until expired, also check the time to live (TTL


You can back up applications by creating a `Backup` custom resource (CR). For more information, see xref:../../../backup_and_restore/application_backup_and_restore/backing_up_and_restoring/oadp-creating-backup-cr.adoc#oadp-creating-backup-cr-doc[Creating a Backup CR].
The following are the different backup types for a `Backup` CR:

ifdef::openshift-rosa,openshift-rosa-hcp[]
The `Backup` CR creates backup files for Kubernetes resources and internal images on S3 object storage.
endif::openshift-rosa,openshift-rosa-hcp[]

ifndef::openshift-rosa,openshift-rosa-hcp[]
* The `Backup` CR creates backup files for Kubernetes resources and internal images on S3 object storage.

* In an on-cluster backup, you back up the persistent volume data within the cluster. This type of backup is fast, and you can execute it frequently; however, the data is vulnerable to cluster or storage outages. You can use Container Storage Interface (CSI) volume snapshots for an on-cluster backup.
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@weshayutin @apurvabhide17 I'm thinking change it to something like this

if you use velero's snapshot feature to backup volumes in that case only snapshot related information is stored in s3 bucket along with the openshift object data. If undelying storage is part of same cluster infra then data might be loss in case of disaster.  Same for bucket if bucket is part of the same cluster then all backup data will be lost in case of disaster.

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Done, I've added this information and removed everything else related to in/off cluster.


* In an off-cluster backup, you back up the Openshift object data and persistent data and move them from a cluster to ensure that a cluster outage does not impact the backup. This type of backup is slower than an on-cluster backup; and therefore you should execute it less frequently than an on-cluster backup. You can use CSI Data Mover backup and Kopia File System Backup (FSB) for an off-cluster backup.

* You can only execute a single backup that performs either an on-cluster or off-cluster backup.

* If your cloud provider has a native snapshot API or supports CSI snapshots, the `Backup` CR backs up persistent volumes (PVs) by creating snapshots. For more information about working with CSI snapshots, see xref:../../../backup_and_restore/application_backup_and_restore/backing_up_and_restoring/oadp-backing-up-pvs-csi-doc.adoc#oadp-backing-up-pvs-csi-doc[Backing up persistent volumes with CSI snapshots].

For more information about CSI volume snapshots, see xref:../../../storage/container_storage_interface/persistent-storage-csi-snapshots.adoc#persistent-storage-csi-snapshots[CSI volume snapshots].
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