How dm-multipath assigns 'mpathx' names for the SAN devices discovered on system?

Solution Verified - Updated -

Issue

  • How dm-multipath assigns mpathx name to specific SAN devices, is there any configuration file used to decide bindings between mpathx name to specific SAN device? if yes, what happens if user has accidentally deleted the bindings file?

Environment

  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Device Mapper Multipath

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