Why multipath is reporting "tur checker reports path is down" in RHEL?

Solution Verified - Updated -

Issue

  • multipath -v2 is reporting the following message

    sdb: checker msg is "tur checker reports path is down" 
sdk: checker msg is "tur checker reports path is down" 
sdc: checker msg is "tur checker reports path is down"

  • How can I determine why my paths are marked as faulty and the path checker reporting the paths as down?

  • Getting errors from multipath when trying to allocate storage

Environment

  • Red Hat Enterprise Linux (RHEL) 4, 5, 6, 7, 8, 9
    • device-mapper-multipath

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