- Notes, cautions, and warnings
- Introduction
- Revision history
- PowerFlex overview
- System requirements and product limits
- Architecture
- System
- MDM cluster
- Virtual IP addresses
- Storage definitions
- Storage pools
- Acceleration pools
- Data layout
- Volumes
- Naming PowerFlex objects
- NVMe over TCP overview
- PowerFlex file services
- Replication
- Replication peer systems
- Storage data replicator
- Journal
- Replication consistency group
- Replication pairs
- Recovery point objective
- Replication I/O flow
- Replication auto-provision
- Replication initial copy
- Activating or terminating a replication consistency group
- Pause replication
- Using replicated volumes
- Accessing target volumes
- Setting up replication
- Dell APEX Block Storage
- Protection and load balancing
- Cache
- Networking
- SDC connection monitoring
- SMART hardware monitoring
- Snapshots
- Performance
- Migrating volumes
- Implementing PowerFlex
- Additional functions
- Maintenance
- PowerFlex management
- Configure direct attached storage
Dell PowerFlex 4.5.x Technical Overview
Replication
PowerFlex enables native asynchronous replication for PowerFlex storage-only and PowerFlex hyperconverged configurations.
Replication can be used to quickly and easily recover from a physical or logical disaster, to migrate data, to test data at a remote site, or to offload backup. The PowerFlex implementation is designed to allow a sub-minute recovery point objective (RPO) reducing the data-loss to minimal in case of disaster recovery. As with all other PowerFlex data services, the replication is elastic, can scale online by adding or removing nodes, flexible, and easy to manage. It enables instant test and failover operations.
The following terms and concepts define the replication architecture and its components:
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