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ESXi hosts lost connection with NetApp iSCSI luns
https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/ESXi_hosts_lost_connection_with_NetApp_iSCSI_luns
Applies to VMware vSphere ESXi 7.0.0 VMware vSphere ESXi 6.7 VMware vSphere ESXi 6.5 VMware vSphere ESXi 6.0 iSCSI Storage ONTAP 9 Issue ESXi hosts lost connection with NetApp iSCSI luns after storage...Applies to VMware vSphere ESXi 7.0.0 VMware vSphere ESXi 6.7 VMware vSphere ESXi 6.5 VMware vSphere ESXi 6.0 iSCSI Storage ONTAP 9 Issue ESXi hosts lost connection with NetApp iSCSI luns after storage reboot. Checked the logs. None of VMware initiators login to target storage. On storage side, the vserver iSCSI security default is CHAP. iSCSI VMFS Datastore goes into an inaccessible state.
Cisco UCS shows initialize error 1 when attempting to create iSCSI sessions to ONTAP
https://kb.netapp.com/on-prem/ontap/da/SAN/SAN-KBs/Cisco_UCS_shows_initialize_error_1_when_attempting_to_create_iSCSI_sessions_to_ONTAP
Applies to Cisco UCS CHAP ONTAP 9.X Issue When attempting to setup a new LUN for VMware the Cisco UCS displays Initialize error 1 on boot event log show command or EMS log review provides iSCSI Authen...Applies to Cisco UCS CHAP ONTAP 9.X Issue When attempting to setup a new LUN for VMware the Cisco UCS displays Initialize error 1 on boot event log show command or EMS log review provides iSCSI Authentication failures for the specific IQN: [Netapp01: iswt_admin_thread: iscsi.warning:notice]: ISCSI: Authentication failed for initiator iqn.1992-08.com.cisco:HOST