- 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
Adaptive copy modes
Adaptive copy modes:
- Transfer large amounts of data without impact on the host.
- Transfer data during data center migrations and consolidations, and in data mobility environments.
- Allow the R1 and R2 devices to be out of synchronization by up to a user-configured maximum skew value. If the maximum skew value is exceeded, SRDF starts the synchronization process to transfer updates from the R1 to the R2 devices.
- Are secondary modes of operation for SRDF/S. The R1 devices revert to SRDF/S when the maximum skew value is reached and remain in SRDF/S until the number of tracks out of synchronization is lower than the maximum skew.
There are two types of adaptive copy mode:
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