- Notes, cautions, and warnings
- Preface
- Introduction
- Disaster recovery
- High availability
- Data migration
- SRDF I/O operations
- SRDF write operations
- SRDF read operations
- SRDF/A resilience and performance features
- Management tools
- More information
Dell SRDF Introduction
R22 devices
R22 devices:
- Have two R1 devices, only one of which is active at a time.
- Are typically used in cascaded SRDF/Star and concurrent SRDF/Star configurations to decrease the complexity and the time that is required to complete failover and failback operations.
- Enables recovery to occur without removing old SRDF pairs and creating new SRDF pairs.
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