- 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
Concurrent SRDF/Star with R22 devices
SRDF supports concurrent SRDF/Star topologies using R22 devices. R22 devices have two SRDF mirrors, only one of which is active on the SRDF links at a given time. R22 devices improve the resiliency of the SRDF/Star application, and reduce the number of steps for failover procedures.
This example shows R22 devices at Site C.
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