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Host lost access to NetApp Lun due to lun being manually unmapped

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Category:
ontap-9
Specialty:
san
Last Updated:

Applies to

  • Ontap 9
  • ISCSI
  • Oracle ASM Cluster

Issue

  • Lun disappeared on host end and the disk is not accessible anymore by the host.
  • The affected lun is not visible in ASUPs either under Lun.xml log either during the issue time.
  • Audit log located at /etc/log/auditlog  has a record of lun unmap commands being executed in ASUP:

0000002d.00576d22 0111c7d2 Thu Jul 20 2023 13:55:31 +02:00 [kern_audit:info:2684] 8003e800000596xx:8003e800000596xx :: xxx:ssh :: 10.251.xy.xx:55872 :: xxx:admin :: lun mapping delete /vol/SAN_LUN_0106222319124252xx -igroup IG -vserver svm :: Pending
0000002d.00576d29 0111c7d2 Thu Jul 20 2023 13:55:32 +02:00 [kern_audit:info:2684] 8003e800000596xx:8003e800000596xx :: xxx:ssh :: 10.251.xy.xx:55872 :: xxx:admin :: lun mapping delete /vol/SAN_LUN_0106222319124252xx -igroup IG -vserver svm :: Succes

 

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