ONTAP 9 Disk / Shelf firmware upgrade The disk or shelf firmware will not be updated after an ONTAP reboot or upgrade when auto-update is disabled by the operator. It is expected behavior that the ha....ONTAP 9 Disk / Shelf firmware upgrade The disk or shelf firmware will not be updated after an ONTAP reboot or upgrade when auto-update is disabled by the operator. It is expected behavior that the ha.bdfu.Enable event will be raised after a takeover or giveback, which can be confusing. However, this does not mean that auto-update gets re-enabled without user intervention. 9/10/2024 02:11:35 fas0000-xxx-1a DEBUG ha.bdfu.Enable: HA subsystem reenabled background disk firmware update.