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Dell PowerStore: Snapshots and Thin Clones
Executive summary Introduction Snapshot operations Snapshot access Snapshot aging Snapshot properties Snapshot rules Snapshot interoperability
Introduction
AppSync
Native PowerProtect DD Backup Integration
Data reduction
File Level Retention
Migration: Import
Migration: Internal migrations
Replication
Volume groups
VMware
Thin clone overview Thin clone operations Conclusion Appendix: Technical support and resources

AppSync

AppSync

  • As previously discussed, snapshots that are created within a PowerStore system, either manually or automatically by a snapshot rule, are considered crash consistent. To achieve application-consistent snapshots, users can deploy AppSync in their environment for supported configurations. AppSync simplifies and automates the process of generating application-consistent snapshots, and the creation and consumption of copies of production data using thin clones.

    AppSync integrates with PowerStore by handling the quiescing of host applications, and the creation of PowerStore application-consistent snapshots. When a snapshot is taken, AppSync marks the Application Consistent property of the snapshot to yes within PowerStore. Users can then review the Application Consistent property on each snapshot, and confirm which snapshots are application consistent. If application consistency is required, use AppSync and not snapshot rules to create snapshots. An example of the AppSync interface displaying a PowerStore snapshot is shown in Figure 31.

    Graphical user interface, text, application, emailDescription automatically generated

    Figure 31.    AppSync snapshot example