CFDISK-1313: Unrecovered read errors on 15/30TB NVMe SSDs
Issue
One or more X4030S543030TNVF drives reporting disk.ioMediumError ONTAP events. Example:... [node_name: disk_server_1: disk.ioMediumError:notice]: Medium error on disk 0n.1: op 0x88:00000001234ab56cd:00000008 sector 12345678910 SCSI:medium error - Unrecovered read error - If the disk is in a RAID group, the subsystem will attempt to reconstruct unreadable data (3 11 0 81) (3) Disk 0n.1 Shelf 0 Bay 1 [NETAPP X4030S543030TNVF 0200] S/N [PHA012345678910PEGN]