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When are "scsi.cmd.selectionTimeout" and "mlm.tapemc.lun.removed" events logged?

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Applies to

  • Ontap 9
  • Tape drives

Answer

  • These errors/events indicate that the devices are being removed and then re-discovered.
  • These kind of messages/events are seen when a tape library/end device is rebooted.

Additional Information

Below events are logged in storage EMS:
 
Thu Jan 04 15:23:51 +0800 [NetApp: isp2400_asyncd_1: scsi.cmd.selectionTimeout:error]: Unknown device xmk91480xx:1-1.126: Adapter/target error: HA status 0x7: cdb 0x12. Targeted device did not respond to requested I/O. I/O will be retried.
Thu Jan 04 15:23:51  0800 [NetApp: isp2400_asyncd_1: mlm.tapemc.lun.removed:notice]: The tape LUN 'xmk91480xx:1-1.126L0' (S/N: 00078C2EBx) is no longer visible to this node.
Thu Jan 04 15:23:51  0800 [NetApp: isp2400_asyncd_1: mlm.tapemc.lun.removed:notice]: The medium changer LUN 'xmk91480xx:1-1.126L1' (S/N: 00000782716800xx) is no longer visible to this node.
Thu Jan 04 15:24:14  0800 [NetApp: isp2400_intrd: mlm.tapemc.lun.discovery:info]: New tape LUN xmk91480xx:1-1.126L0 (S/N: 00078C2EBx) was discovered on initiator port 0g at tape library target port WWNN: 50050760440afdxx, WWPN: 50050760444afdxy.
Thu Jan 04 15:24:14  0800 [NetApp: isp2400_intrd: mlm.tapemc.lun.discovery:info]: New medium changer LUN xmk91480xx:1-1.126L1 (S/N: 00000782716800xx) was discovered on initiator port 0g at tape library target port WWNN: 50050760440afdxx, WWPN: 50050760444afdxy.
Thu Jan 04 15:24:14  0800 [NetApp: isp2400_intrd: mlm.tapemc.path.discovery:info]: A new Tape/MC path was discovered: initiator port 0g is now connected to tape library IBM_ULT3580_1's target port: WWNN: 50050760440afdxx, WWPN: 50050760444afdxy. There are 2 LUNs visible on this target port.
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