Applies to DS224c Shelf Ontap 9 Issue Both nodes are down and unable to boot the error message reported is; could not find the local mailbox disks ASUP logs report that chassis fan are failed HA Group...Applies to DS224c Shelf Ontap 9 Issue Both nodes are down and unable to boot the error message reported is; could not find the local mailbox disks ASUP logs report that chassis fan are failed HA Group Notification (CHASSIS FAN FRU FAILED: Fan3_2) ERROR Shelf powered down due to no power