qla2xxx が、デバイスがオフラインになるまでログに SCSI エラーを繰り返し記録する

Issue

• ログに次のメッセージが表示されます。

  Dec  8 11:56:36  kernel: st: Version 20070203, fixed bufsize 32768, s/g segs 256
  Dec  8 11:56:36  kernel: st 0:0:10:0: Attached scsi tape st7
  Dec  8 11:56:36  kernel: st7: try direct i/o: yes (alignment 512 B)
  Dec  8 15:46:30  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): Abort command issued -- 1 10fb 2002.
  Dec  8 15:46:41  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): Abort command issued -- 1 10fb 2002.
  Dec  8 15:46:41  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): DEVICE RESET ISSUED.
  Dec  8 15:46:41  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): DEVICE RESET SUCCEEDED.
  Dec  8 15:46:52  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): Abort command issued -- 1 10fb 2002.
  Dec  8 15:46:52  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): LOOP RESET ISSUED.
  Dec  8 15:46:52  kernel: qla2xxx 0000:06:00.0: LOOP DOWN detected (0 0 0).
  Dec  8 15:46:57  kernel: qla2xxx 0000:06:00.0: LOOP UP detected (8 Gbps).
  Dec  8 15:47:18  kernel: qla2xxx 0000:06:00.0: qla2xxx_eh_bus_reset: reset succeeded
  Dec  8 15:47:39  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): Abort command issued -- 1 10fb 2002.
  Dec  8 15:47:39  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): ADAPTER RESET ISSUED.
  Dec  8 15:47:39  kernel: qla2xxx 0000:06:00.0: Performing ISP error recovery - ha= ffff810139dd44f8.
  Dec  8 15:47:45  kernel: qla2xxx 0000:06:00.0: LOOP UP detected (8 Gbps).
  Dec  8 15:47:47  kernel: qla2xxx 0000:06:00.0: qla2xxx_eh_host_reset: reset succeeded
  Dec  8 15:48:08  kernel: qla2xxx 0000:06:00.0: scsi(0:10:0): Abort command issued -- 1 10fb 2002.
  Dec  8 15:48:08  kernel: st 0:0:10:0: scsi: Device offlined - not ready after error recovery
  Dec  8 15:48:08  kernel: st 0:0:10:0: timing out command, waited 14000s
  Dec  8 15:48:08  kernel: st7: Error 6080000 (sugg. bt 0x0, driver bt 0x6, host bt 0x8).