What do the fc statistics under /sys/class/fc_host/hostN/statistics mean ?

Updated -

Issue

  • What do the fc statistics under /sys/class/fc_host/host*/statisics mean?
  • Is it possible to change parameters like fcp_output_megabytes to report bytes instead?
  • Where are the definitions for /sys/class/fc_host/host*/statistic parameters found?
  • Why don't all storage adapters, such as hpsa or megasas provide these statistics under sysfs?

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