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PowerProtect Data Manager 19.15 Kubernetes User Guide

About application-consistent database backups in Kubernetes

The PowerProtect Data Manager supports agentless, application-consistent backups of database applications that reside in Kubernetes pods. The existing infrastructure handles database backups, no pod compute resources are required.

Application-consistent backups occur when the database application is informed of a pending backup. The database completes all pending transactions and operations, while typically queuing new requests. This process places the database in a quiescent state of relative inactivity where the backup represents a true snapshot of the application. This backup now captures items that would have otherwise been stored only in memory. After the snapshot, the application resumes normal functionality. In most environments, the snapshot operation is instantaneous, so downtime is minimal.

These backups are agentless, in that the PowerProtect Data Manager can take a snapshot of containers without the need for software installation in the database application environment. That snapshot is then backed up using the normal procedures for the Kubernetes environment.

The PowerProtect Data Manager provides a standardized way to quiesce a supported database, back up the data from that database, and then return the database to operation. Application templates serve as a bridge between a specific database environment and the Kubernetes backup architecture for the PowerProtect Data Manager. Depending on the differences between database environments, each deployment may require a different configuration file.


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