What does the message "Received an indication that the operating parameters on this target have changed" from kernel mean?

Solution Verified - Updated -

Issue

  • The logs show multiple messages similar to the following. What causes these messages?

    Dec  2 21:25:20 hostname kernel: sd 1:0:0:2: [sdf] Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters.
    Dec  2 21:25:32 hostname kernel: sd 1:0:1:2: [sdh] Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters.
    Dec  2 21:25:33 hostname kernel: sd 0:0:1:2: [sdd] Warning! Received an indication that the operating parameters on this target have changed. The Linux SCSI layer does not automatically adjust these parameters.
    

Environment

  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

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