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    • Node goes down when attempting to perform takeover
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Node_goes_down_when_attempting_to_perform_takeover
      When shutting down a node, the HA partner panics when trying to perform takeover PANIC: Failover Monitor: unable to transit - takeover process is hung (wafl) in SK process cf_main on release 8.3 (C) o...When shutting down a node, the HA partner panics when trying to perform takeover PANIC: Failover Monitor: unable to transit - takeover process is hung (wafl) in SK process cf_main on release 8.3 (C) on Mon Sep 21 16:22:12 CEST 2020 [Node1: cf_main: cf.fm.givebackForced:alert]: Failover monitor: forcing reboot to clear state [Node1: cf_main: cf.fm.panicToInProgress:alert]: Failover monitor: Panic during takeover; takeover will be disabled on reboot.
    • Takeover not possible: degraded mode (mailbox disks)
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Takeover_not_possible_due_to_degraded_mode_mailbox_disks
      This KB provides the solution for Takeover not possible due to degraded mode (mailbox disks). It is linked to the Takeover not possible Resolution Guide.
    • Takeover not possible: interconnect errors
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Takeover_not_possible_due_to_interconnect_errors
      This KB provides the solution for Takeover not possible due to interconnect errors. It is linked to the Takeover not possible Resolution guide.
    • Takeover not possible: disk shelf is too hot
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/Takeover_not_possible__disk_shelf_is_too_hot
      This KB provides the solution for Takeover not possible due to disk shelf being too hot. It is linked to the Takeover not possible Resolution Guide.
    • Takeover not possible: version mismatch
      https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/Takeover_not_possible_due_to_version_mismatch
      This KB provides the solution for Takeover not possible due to version mismatch. It is linked to the Takeover not possible Resolution Guide.
    • HA mode, but takeover of partner is disabled
      https://kb.netapp.com/on-prem/ontap/OHW/OHW-KBs/HA_mode_but_takeover_of_partner_is_disabled
      Applies to ONTAP 9 Issue cf.takeover.disabled alert is repeating from both the nodes. Example: Tue Jun 25 01:00:01 [node_name: statd: cf.takeover.disabled:alert]: HA mode, but takeover of partner is d...Applies to ONTAP 9 Issue cf.takeover.disabled alert is repeating from both the nodes. Example: Tue Jun 25 01:00:01 [node_name: statd: cf.takeover.disabled:alert]: HA mode, but takeover of partner is disabled.
    • ONTAP Select HA INTERCONNECT DOWN Takeover is not possible NVRAM log not synchronized
      https://kb.netapp.com/on-prem/ontap/ontap-select/Select-KBs/ONTAP_Select_HA_INTERCONNECT_DOWN_Takeover_is_not_possible_NVRAM_log_not_synchronized
      Takeover is not possible on ONTAP Select system due to NVRAM log not synchronized. ONTAPSelect::*> storage failover show Takeover Node Partner Possible State Description -------------- -------------- ...Takeover is not possible on ONTAP Select system due to NVRAM log not synchronized. ONTAPSelect::*> storage failover show Takeover Node Partner Possible State Description -------------- -------------- -------- ------------------------------------- ONTAPSelect-A ONTAPSelect-B false Waiting for ONTAPSelect-B, Takeover is not possible: NVRAM log not synchronized ONTAPSelect-B ONTAPSelect-A false Waiting for ONTAPSelect-A, Takeover is not possible: NVRAM log not synchronized