Kernel logging 'Mode parameters changed' and/or 'Parameters changed' messages for SCSI devices

Solution Unverified - Updated -

Issue

  • kernel shows lots of 'Mode parameters changed' messages for SAN devices

    Dec 31 09:28:43 host1 kernel: sd 1:0:1:6: Mode parameters changed
Dec 31 09:28:44 host1 kernel: sd 2:0:1:12: Mode parameters changed
Dec 31 09:28:45 host1 kernel: sd 1:0:1:7: Mode parameters changed
Dec 31 09:28:46 host1 kernel: sd 1:0:1:9: Mode parameters changed

  • kernel messages show "kernel: sd h:c:t:l Parameters changed"

    Dec 31 15:35:21 hostname kernel: sd 0:0:0:122: Parameters changed
Dec 31 15:35:23 hostname kernel: sd 0:0:2:147: Parameters changed
Dec 31 15:36:17 hostname kernel: sd 0:0:0:147: Parameters changed
Dec 31 15:36:18 hostname kernel: sd 0:0:2:122: Parameters changed

Environment

  • Red Hat Enterprise Linux 9
  • Red Hat Enterprise Linux 8
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 6

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