How can you reduce the level of logs printed to the console in RHEL?

Solution Unverified - Updated -

Issue

  • An application outputs kernel warning message to console. How can the messages be suppressed?
  • SCSI errors generated are too much. The level of messages are ok  if the server only has a few SAN devices, but when the server has  several hundred, it's constantly logging SCSI errors.

  • Is there  anyway to surpress these scsi errors?

    Current sdli: sense key Medium Error
Additional sense: Unrecovered read error
scsi5: ERROR on channel 0, id 0, lun 136, CDB: Read (10) 00 00 00 00 00 00 00 01 00 
Current sdlj: sense key Medium Error
Additional sense: Unrecovered read error
scsi6: ERROR on channel 0, id 0, lun 135, CDB: Read (10) 00 00 00 00 00 00 00 01 00 
Current sduh: sense key Medium Error
Additional sense: Unrecovered read error
scsi6: ERROR on channel 0, id 0, lun 140, CDB: Read (10) 00 00 00 00 00 00 00 01 00 
Current sdum: sense key Medium Error
Additional sense: Unrecovered read error
scsi6: ERROR on channel 0, id 0, lun 144, CDB: Read (10) 00 00 00 00 00 00 00 01 00 
Current sduq: sense key Medium Error
Additional sense: Unrecovered read error
scsi7: ERROR on channel 0, id 0, lun 135, CDB: Read (10) 00 00 00 00 00 00 00 01 00 
Current sdads: sense key Medium Error
Additional sense: Unrecovered read error
scsi4: ERROR on channel 0, id 0, lun 135, CDB: Read (10) 00 00 00 00 00 00 00 01 00

Environment

  • Red Hat Enterprise Linux All versions

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