Understanding the Noop IO Scheduler

Updated -

Issue

  • How do I turn on noop scheduler for a device?
  • What are the tunables for noop scheduler and what do they do?
  • How does the logic within the scheduler work in choosing which IO to dispatch next?

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterpri...

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