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'blk_update_request: critical nexus error dev dm-X, sector xyz' というメッセージがログに記録される

Solution In Progress - Updated -

Issue

  • 'critical nexus' エラーの原因は何ですか?
  • 'critical nexus' エラーとは何ですか?
  • 'critical nexus' エラーと 'critical nexus' エラーの違いは何ですか?
  • エラーイベントがログに記録されます。
kernel: sd 33:0:1:0: reservation conflict
kernel: sd 33:0:1:0: [sdc] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK
kernel: sd 33:0:1:0: [sdc] CDB: Read(10) 28 00 ba df ff f8 00 00 08 00
kernel: blk_update_request: critical nexus error, dev sdc, sector 3135242232
kernel: Buffer I/O error on dev sdc, logical block 391905279, async page read

Environment

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

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