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    • https://kb.netapp.com/on-prem/ontap/Ontap_OS/OS-KBs/ONTAPI_Request_fails_along_with_Mailbox_disks_are_not_healthy
      EMS log reports Mailbox disks are not healthy alert frequently but the states of mailboxs disks showing on disk show command are normal. 9/23/2023 14:20:24 node1 ERROR diskown.errorDuringIO: error 25 ...EMS log reports Mailbox disks are not healthy alert frequently but the states of mailboxs disks showing on disk show command are normal. 9/23/2023 14:20:24 node1 ERROR diskown.errorDuringIO: error 25 (no valid path to disk) on disk 0f.21 (S/N xxxxxxxxxxxx) while reading reservation state 9/23/2023 14:20:00 node1 EMERGENCY monitor.globalStatus.critical: Controller failover of node2 is not possible: Mailbox disks are not healthy.