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Configuration rules

Disk shelves with IOM12 modules are supported in specific types of HA pair configurations.

HA pair configurations must be cabled as multipath HA or quad-path HA configurations with the following exceptions:
  • DM3000x, DM5000x, or DM7000x HA pair configurations (with external disk shelves) can be cabled as single-path HA configurations to support connectivity to an external SAS tape backup device.
  • DM3000x, DM5000x, or DM7000x HA pair configurations do not support quad-path HA connectivity.