chapters
Executive summary
SRDF/Metro resiliency
Host support matrix example
Features and functionality by service release
SRDF/Metro device maintenance (add/move operations)
SRDF/Metro online device expansion (ODE operations)
Best practices
Restrictions and dependencies
Conclusion
Appendix A: Unisphere setup walkthrough
Appendix B: Solutions Enabler SYMCLI walkthrough
Appendix C: Unisphere Createpair –Exempt specific steps
Appendix D: Unisphere Movepair –Exempt specific steps
Appendix E: Unisphere Online Device Expansion (ODE) steps
Appendix F: Unisphere Smart DR walkthrough
Appendix G: Smart DR and status reference tables
Appendix H: Technical support and resources
Executive summary
SRDF/Metro resiliency
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1Resiliency features
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2Understanding bias
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3Understanding the array-based witness
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4Understanding the Virtual Witness (vWitness)
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5PowerMaxOS/Solutions Enabler 9.0 (and later) witness enhancements
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6Use bias resiliency option
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7Witness best practices for redundancy
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8Witness behavior during failures and recovery
Host support matrix example
Features and functionality by service release
SRDF/Metro device maintenance (add/move operations)
SRDF/Metro online device expansion (ODE operations)
Best practices
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1Introduction
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2Boot from SAN support
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3Host multipathing software
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4AIX native multipathing software
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5AIX, GPFS, and PowerPath
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6Native Linux Multipathing Software (Linux Device Mapper)
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7IBM I (AS/400) operating system
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8PowerPath (version 5.7 and above)
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9Windows 2012 with MPIO
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10Veritas dynamic multipathing
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11ESXi with native multipathing