Maximum amount of paths with device-mapper-multipath in RHEL 5, 6 and 7?

Solution Unverified - Updated -

Issue

  • How many paths per map does device-mapper-multipath support?
  • How many paths to a single LUN can device-mapper-multipath handle?
  • What is the maximum number of paths that can be in a path group?
  • What is the maximum number of path groups?

Environment

  • Red Hat Enterprise Linux (RHEL) 5
  • Red Hat Enterprise Linux (RHEL) 6
  • Red Hat Enterprise Linux (RHEL) 7
  • device-mapper-multipath

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