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EMC DMX model supports total 128 ports, VMAX can now support total 256 ports, 128 backend and 128 frontend ports. EMC developed new encoding scheme. In which 256 ports are now encoded in the Symmetrix WWN encoding scheme.

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Volume Size

When creating device, the size of the device needed in number of cylinders. In Symmetrix DMX/Vmax models(Enginuity 5671 and earlier), a cylinder of an FBA device contains 1920 512-byte blocks, or 0.98 megabytes. In earlier Symmetrix models, a cylinder of an FBA device contains 960 512-byte blocks or, 0.468 megabytes. 

- Enginuity 5671 and earlier: 960 512-byte blocks
- Enginuity 5771+: 1920 512-byte blocks

  1. [VMAX]VMAX Replication Technoledge - IBM Storage Line Product Counterparts
  2. [VMAX]VMAX Single Point of Failure - Engine
  3. [VMAX] Understand VMAX Virtualisation layers
  4. [VMAX]What is new with VMAX?
  5. [VMAX] EMC VMAX - Some Key Points about VMAX
  6. [VMAX]DMX4 and VMAX comparison matrix
  7. [DMX/VMAX]Auto-Meta Implementation
  8. [DMX/VMAX] Meta Device Consideration and Restrictions
  9. [EMC DMX ]Return code handling for Windows and UNIX
  10. [DMX/VMAX] Symmetrix BIN files
  11. [DMX/VMAX] SYMMETRIX Device Types
  12. [DMX]Symmetrix SYMRDF command Explained
  13. [DMX]How to set up dynamic RDF pairs using SYMCLI?
  14. [DMX] DMX SYM Device - Symdev output explained
  15. [DMX]How to show DMX RDF Configuration
  16. [DMX]How to find unallocated / unassigned storage devices on a Symmetrix
  17. [DMX]How to check for unmasked devices(devices with no masking in the Symmetrix)?
  18. [DMX]Preparation Before Change
  19. [DMX]In the event of FA Director Failure what is the procedure for the replacement?
  20. [DMX]How to create DMX metadevice?
  21. [DMX]How to view DMX spare devices that are defined?
  22. [DMX] How to create/remove dynamic Spare device?
  23. [DMX]In Command line, how to customized DMX SYMCLI output?
  24. [DMX] How to Simulate SYMCLI or run SYMCLI in OFFLINE mode?
  25. [DMX]How to backup VCM Database and review the database?

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