In `multipath.conf` file, why wwid begin with 3?

Solution Unverified - Updated -

Issue

  • Would like to know what is difference for following wwid begin at 3
 multipath {
                wwid                    600601607ef03400a80573e4c75ee543
                alias                   abc
        }
        multipath {
                wwid                    3600601607ef03400a80573e4c75ee543
                alias                   abc1
        }

Environment

  • Red Hat Enterprise Linux (RHEL)

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