What does the error "SCSI error: return code = 0x00070002" mean?

Solution Verified - Updated -

Issue

  • After replacing a faulty disk, megaraid_sas RAID device experiences errors to the same sector:
kernel: sd 1:2:1:0: SCSI error: return code = 0x00070002
kernel: end_request: I/O error, dev sdb, sector 1234567890
  • File system becomes readonly with SCSI error 00070002 logged:
Aug 20 11:20:04 server1 kernel: sd 1:2:1:0: Unhandled error code
Aug 20 11:20:04 server1 kernel: sd 1:2:1:0: SCSI error: return code = 0x00070002
Aug 20 11:20:04 server1 kernel: Buffer I/O error on device dm-8, logical block 291569664

Environment

  • Red Hat Enterprise Linux 5
  • SCSI storage controller

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