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    • iSCSI luns do not show up on Microsoft Host
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/iSCSI_luns_do_not_show_up_on_Microsoft_Host
      Applies to ONTAP 9 iSCSI Windows Issue iSCSI luns do not show up on the host when they are configured from one of the NetApp nodes From other nodes, there's no problem with access
    • iSCSI LUN lost during takeover / ONTAP Upgrade
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/iSCSI_lun_lost_during_takeover_ONTAP_Upgrade
      Applies to ONTAP 9 iSCSI Issue All paths down to iSCSI LUN during takeover of ONTAP upgrade iSCSI sessions only configure to one node of the HA pair from the host
    • Oracle RAC DB crashes after a single path failure
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Oracle_RAC_DB_crashes_after_a_single_path_failure
      Oracle RAC DB(with ASM) crashes during maintenance/upgrade activity when only a single path fails May 20 16:08:55 oracle multipathd: checker failed path 65:240 in map netappdisk10 May 20 16:10:31 orac...Oracle RAC DB(with ASM) crashes during maintenance/upgrade activity when only a single path fails May 20 16:08:55 oracle multipathd: checker failed path 65:240 in map netappdisk10 May 20 16:10:31 oracle multipathd: netappdisk10: sdaf - tur checker reports path is up May 20 16:11:10 oracle multipathd: checker failed path 65:240 in map netappdisk10 May 20 16:11:16 oracle multipathd: netappdisk10: sdaf - tur checker reports path is up
    • E-Series Ubuntu multipath driver does not detect ALUA capabilities correctly
      https://kb.netapp.com/on-prem/E-Series/SANtricity-OS-KBs/E-Series_Ubuntu_multipath_driver_does_not_detect_ALUA_capabilities_correctly
      Applies to E-Series Ubuntu 20.04.3 LTS ALUA Issue After installing Ubuntu 20.04.3 LTS the multipath settings changes from '1 alua' to '1 rdac'
    • Remote OPS observed on LUNs when using Oracle ASM
      https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/Remote_OPS_observed_on_LUNs_when_using_Oracle_ASM
      Applies to Oracle ASM Remote OPS are observed on LUNs mapped to RHEL/OEL servers which are using Oracle ASM as Volume Manager. The issue is observed even if multipathing parameters are set on host as ...Applies to Oracle ASM Remote OPS are observed on LUNs mapped to RHEL/OEL servers which are using Oracle ASM as Volume Manager. The issue is observed even if multipathing parameters are set on host as per NetApp best practices. Following command output shows remote OPS: cluster1::*> statistics show-periodic -object lun -vserver svm_win -instance /vol/vol_win/lun1 -counter total_ops|remote_ops|remote_bytes cluster1: lun./vol/vol_win/lun1: 5/18/2020 22:02:26 remote remote total bytes ops ops