I don't know if this is useful or not, but I'll post the disk log from unRAID too. Unsure if this is available in the diagnostics.
text error warn system array login
Feb 2 15:30:46 Tower kernel: ata4: SATA max UDMA/133 abar m131072@0xfc580000 port 0xfc580280 irq 85
Feb 2 15:30:46 Tower kernel: ata4: SATA link up 6.0 Gbps (SStatus 133 SControl 300)
Feb 2 15:30:46 Tower kernel: ata4.00: ATA-11: ST8000VN004-2M2101, SC60, max UDMA/133
Feb 2 15:30:46 Tower kernel: ata4.00: 15628053168 sectors, multi 16: LBA48 NCQ (depth 32), AA
Feb 2 15:30:46 Tower kernel: ata4.00: Features: NCQ-sndrcv
Feb 2 15:30:46 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:30:46 Tower kernel: sd 4:0:0:0: [sdd] 15628053168 512-byte logical blocks: (8.00 TB/7.28 TiB)
Feb 2 15:30:46 Tower kernel: sd 4:0:0:0: [sdd] 4096-byte physical blocks
Feb 2 15:30:46 Tower kernel: sd 4:0:0:0: [sdd] Write Protect is off
Feb 2 15:30:46 Tower kernel: sd 4:0:0:0: [sdd] Mode Sense: 00 3a 00 00
Feb 2 15:30:46 Tower kernel: sd 4:0:0:0: [sdd] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA
Feb 2 15:30:46 Tower kernel: sdd: sdd1
Feb 2 15:30:46 Tower kernel: sd 4:0:0:0: [sdd] Attached SCSI disk
Feb 2 15:31:01 Tower wsdd2[1463]: starting.
Feb 2 15:32:00 Tower emhttpd: ST8000VN004-2M2101_WKD3HD7N (sdd) 512 15628053168
Feb 2 15:32:00 Tower kernel: mdcmd (6): import 5 sdd 64 7814026532 0 ST8000VN004-2M2101_WKD3HD7N
Feb 2 15:32:00 Tower kernel: md: import disk5: (sdd) ST8000VN004-2M2101_WKD3HD7N size: 7814026532
Feb 2 15:32:00 Tower emhttpd: read SMART /dev/sdd
Feb 2 15:32:00 Tower wsdd2[1463]: 'Terminated' signal received.
Feb 2 15:32:00 Tower wsdd2[1463]: terminating.
Feb 2 15:32:02 Tower root: /usr/sbin/wsdd2 -d
Feb 2 15:32:02 Tower wsdd2[4129]: starting.
Feb 2 15:33:31 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x200000 SErr 0x0 action 0x0
Feb 2 15:33:31 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:31 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:31 Tower kernel: ata4.00: cmd 60/08:a8:80:64:09/00:00:00:02:00/40 tag 21 ncq dma 4096 in
Feb 2 15:33:31 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:31 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:31 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:31 Tower kernel: sd 4:0:0:0: [sdd] tag#21 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:33:31 Tower kernel: sd 4:0:0:0: [sdd] tag#21 Sense Key : 0x3 [current]
Feb 2 15:33:31 Tower kernel: sd 4:0:0:0: [sdd] tag#21 ASC=0x11 ASCQ=0x4
Feb 2 15:33:31 Tower kernel: sd 4:0:0:0: [sdd] tag#21 CDB: opcode=0x88 88 00 00 00 00 02 00 09 64 80 00 00 00 08 00 00
Feb 2 15:33:31 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590550144 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Feb 2 15:33:31 Tower kernel: ata4: EH complete
Feb 2 15:33:34 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x4 SErr 0x0 action 0x0
Feb 2 15:33:34 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:34 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:34 Tower kernel: ata4.00: cmd 60/08:10:88:5c:09/00:00:00:02:00/40 tag 2 ncq dma 4096 in
Feb 2 15:33:34 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:34 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:34 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:34 Tower kernel: sd 4:0:0:0: [sdd] tag#2 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:33:34 Tower kernel: sd 4:0:0:0: [sdd] tag#2 Sense Key : 0x3 [current]
Feb 2 15:33:34 Tower kernel: sd 4:0:0:0: [sdd] tag#2 ASC=0x11 ASCQ=0x4
Feb 2 15:33:34 Tower kernel: sd 4:0:0:0: [sdd] tag#2 CDB: opcode=0x88 88 00 00 00 00 02 00 09 5c 88 00 00 00 08 00 00
Feb 2 15:33:34 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590548104 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Feb 2 15:33:34 Tower kernel: ata4: EH complete
Feb 2 15:33:37 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x10 SErr 0x0 action 0x0
Feb 2 15:33:37 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:37 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:37 Tower kernel: ata4.00: cmd 60/08:20:90:58:09/00:00:00:02:00/40 tag 4 ncq dma 4096 in
Feb 2 15:33:37 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:37 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:37 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:37 Tower kernel: sd 4:0:0:0: [sdd] tag#4 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:33:37 Tower kernel: sd 4:0:0:0: [sdd] tag#4 Sense Key : 0x3 [current]
Feb 2 15:33:37 Tower kernel: sd 4:0:0:0: [sdd] tag#4 ASC=0x11 ASCQ=0x4
Feb 2 15:33:37 Tower kernel: sd 4:0:0:0: [sdd] tag#4 CDB: opcode=0x88 88 00 00 00 00 02 00 09 58 90 00 00 00 08 00 00
Feb 2 15:33:37 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590547088 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Feb 2 15:33:37 Tower kernel: ata4: EH complete
Feb 2 15:33:41 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x100 SErr 0x0 action 0x0
Feb 2 15:33:41 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:41 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:41 Tower kernel: ata4.00: cmd 60/08:40:10:58:09/00:00:00:02:00/40 tag 8 ncq dma 4096 in
Feb 2 15:33:41 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:41 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:41 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:41 Tower kernel: sd 4:0:0:0: [sdd] tag#8 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:33:41 Tower kernel: sd 4:0:0:0: [sdd] tag#8 Sense Key : 0x3 [current]
Feb 2 15:33:41 Tower kernel: sd 4:0:0:0: [sdd] tag#8 ASC=0x11 ASCQ=0x4
Feb 2 15:33:41 Tower kernel: sd 4:0:0:0: [sdd] tag#8 CDB: opcode=0x88 88 00 00 00 00 02 00 09 58 10 00 00 00 08 00 00
Feb 2 15:33:41 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590546960 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Feb 2 15:33:41 Tower kernel: ata4: EH complete
Feb 2 15:33:44 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x800 SErr 0x0 action 0x0
Feb 2 15:33:44 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:44 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:44 Tower kernel: ata4.00: cmd 60/08:58:f0:57:09/00:00:00:02:00/40 tag 11 ncq dma 4096 in
Feb 2 15:33:44 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:44 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:44 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:44 Tower kernel: sd 4:0:0:0: [sdd] tag#11 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:33:44 Tower kernel: sd 4:0:0:0: [sdd] tag#11 Sense Key : 0x3 [current]
Feb 2 15:33:44 Tower kernel: sd 4:0:0:0: [sdd] tag#11 ASC=0x11 ASCQ=0x4
Feb 2 15:33:44 Tower kernel: sd 4:0:0:0: [sdd] tag#11 CDB: opcode=0x88 88 00 00 00 00 02 00 09 57 f0 00 00 00 08 00 00
Feb 2 15:33:44 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590546928 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Feb 2 15:33:44 Tower kernel: ata4: EH complete
Feb 2 15:33:48 Tower kernel: ata4.00: exception Emask 0x0 SAct 0xf400 SErr 0x0 action 0x0
Feb 2 15:33:48 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:48 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:48 Tower kernel: ata4.00: cmd 60/18:50:f8:57:09/00:00:00:02:00/40 tag 10 ncq dma 12288 in
Feb 2 15:33:48 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:48 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:48 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:48 Tower kernel: sd 4:0:0:0: [sdd] tag#10 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:33:48 Tower kernel: sd 4:0:0:0: [sdd] tag#10 Sense Key : 0x3 [current]
Feb 2 15:33:48 Tower kernel: sd 4:0:0:0: [sdd] tag#10 ASC=0x11 ASCQ=0x4
Feb 2 15:33:48 Tower kernel: sd 4:0:0:0: [sdd] tag#10 CDB: opcode=0x88 88 00 00 00 00 02 00 09 57 f8 00 00 00 18 00 00
Feb 2 15:33:48 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590546936 op 0x0:(READ) flags 0x0 phys_seg 3 prio class 0
Feb 2 15:33:48 Tower kernel: ata4: EH complete
Feb 2 15:33:51 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x1e000 SErr 0x0 action 0x0
Feb 2 15:33:51 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:51 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:51 Tower kernel: ata4.00: cmd 60/58:68:98:58:09/00:00:00:02:00/40 tag 13 ncq dma 45056 in
Feb 2 15:33:51 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:51 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:51 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:51 Tower kernel: sd 4:0:0:0: [sdd] tag#13 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=6s
Feb 2 15:33:51 Tower kernel: sd 4:0:0:0: [sdd] tag#13 Sense Key : 0x3 [current]
Feb 2 15:33:51 Tower kernel: sd 4:0:0:0: [sdd] tag#13 ASC=0x11 ASCQ=0x4
Feb 2 15:33:51 Tower kernel: sd 4:0:0:0: [sdd] tag#13 CDB: opcode=0x88 88 00 00 00 00 02 00 09 58 98 00 00 00 58 00 00
Feb 2 15:33:51 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590547096 op 0x0:(READ) flags 0x0 phys_seg 11 prio class 0
Feb 2 15:33:51 Tower kernel: ata4: EH complete
Feb 2 15:33:54 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x40100 SErr 0x0 action 0x0
Feb 2 15:33:54 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:54 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:54 Tower kernel: ata4.00: cmd 60/78:40:18:58:09/00:00:00:02:00/40 tag 8 ncq dma 61440 in
Feb 2 15:33:54 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:54 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:55 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:55 Tower kernel: sd 4:0:0:0: [sdd] tag#8 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=10s
Feb 2 15:33:55 Tower kernel: sd 4:0:0:0: [sdd] tag#8 Sense Key : 0x3 [current]
Feb 2 15:33:55 Tower kernel: sd 4:0:0:0: [sdd] tag#8 ASC=0x11 ASCQ=0x4
Feb 2 15:33:55 Tower kernel: sd 4:0:0:0: [sdd] tag#8 CDB: opcode=0x88 88 00 00 00 00 02 00 09 58 18 00 00 00 78 00 00
Feb 2 15:33:55 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590546968 op 0x0:(READ) flags 0x0 phys_seg 15 prio class 0
Feb 2 15:33:55 Tower kernel: ata4: EH complete
Feb 2 15:33:58 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x100000 SErr 0x0 action 0x0
Feb 2 15:33:58 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:33:58 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:33:58 Tower kernel: ata4.00: cmd 60/00:a0:f0:58:09/01:00:00:02:00/40 tag 20 ncq dma 131072 in
Feb 2 15:33:58 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:33:58 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:33:58 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:33:58 Tower kernel: sd 4:0:0:0: [sdd] tag#20 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:33:58 Tower kernel: sd 4:0:0:0: [sdd] tag#20 Sense Key : 0x3 [current]
Feb 2 15:33:58 Tower kernel: sd 4:0:0:0: [sdd] tag#20 ASC=0x11 ASCQ=0x4
Feb 2 15:33:58 Tower kernel: sd 4:0:0:0: [sdd] tag#20 CDB: opcode=0x88 88 00 00 00 00 02 00 09 58 f0 00 00 01 00 00 00
Feb 2 15:33:58 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590547184 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:33:58 Tower kernel: ata4: EH complete
Feb 2 15:34:02 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x800002 SErr 0x0 action 0x0
Feb 2 15:34:02 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:02 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:02 Tower kernel: ata4.00: cmd 60/00:b8:f0:59:09/01:00:00:02:00/40 tag 23 ncq dma 131072 in
Feb 2 15:34:02 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:02 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:02 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:02 Tower kernel: sd 4:0:0:0: [sdd] tag#23 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:02 Tower kernel: sd 4:0:0:0: [sdd] tag#23 Sense Key : 0x3 [current]
Feb 2 15:34:02 Tower kernel: sd 4:0:0:0: [sdd] tag#23 ASC=0x11 ASCQ=0x4
Feb 2 15:34:02 Tower kernel: sd 4:0:0:0: [sdd] tag#23 CDB: opcode=0x88 88 00 00 00 00 02 00 09 59 f0 00 00 01 00 00 00
Feb 2 15:34:02 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590547440 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:02 Tower kernel: ata4: EH complete
Feb 2 15:34:05 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x50000001 SErr 0x0 action 0x0
Feb 2 15:34:05 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:05 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:05 Tower kernel: ata4.00: cmd 60/00:e0:f0:5a:09/01:00:00:02:00/40 tag 28 ncq dma 131072 in
Feb 2 15:34:05 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:05 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:05 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:05 Tower kernel: sd 4:0:0:0: [sdd] tag#28 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:05 Tower kernel: sd 4:0:0:0: [sdd] tag#28 Sense Key : 0x3 [current]
Feb 2 15:34:05 Tower kernel: sd 4:0:0:0: [sdd] tag#28 ASC=0x11 ASCQ=0x4
Feb 2 15:34:05 Tower kernel: sd 4:0:0:0: [sdd] tag#28 CDB: opcode=0x88 88 00 00 00 00 02 00 09 5a f0 00 00 01 00 00 00
Feb 2 15:34:05 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590547696 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:05 Tower kernel: ata4: EH complete
Feb 2 15:34:08 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x1d SErr 0x0 action 0x0
Feb 2 15:34:08 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:08 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:08 Tower kernel: ata4.00: cmd 60/98:00:f0:5b:09/00:00:00:02:00/40 tag 0 ncq dma 77824 in
Feb 2 15:34:08 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:08 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:08 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:08 Tower kernel: sd 4:0:0:0: [sdd] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:08 Tower kernel: sd 4:0:0:0: [sdd] tag#0 Sense Key : 0x3 [current]
Feb 2 15:34:08 Tower kernel: sd 4:0:0:0: [sdd] tag#0 ASC=0x11 ASCQ=0x4
Feb 2 15:34:08 Tower kernel: sd 4:0:0:0: [sdd] tag#0 CDB: opcode=0x88 88 00 00 00 00 02 00 09 5b f0 00 00 00 98 00 00
Feb 2 15:34:08 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590547952 op 0x0:(READ) flags 0x0 phys_seg 19 prio class 0
Feb 2 15:34:08 Tower kernel: ata4: EH complete
Feb 2 15:34:12 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x240 SErr 0x0 action 0x0
Feb 2 15:34:12 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:12 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:12 Tower kernel: ata4.00: cmd 60/60:30:90:5c:09/00:00:00:02:00/40 tag 6 ncq dma 49152 in
Feb 2 15:34:12 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:12 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:12 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:12 Tower kernel: sd 4:0:0:0: [sdd] tag#6 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=6s
Feb 2 15:34:12 Tower kernel: sd 4:0:0:0: [sdd] tag#6 Sense Key : 0x3 [current]
Feb 2 15:34:12 Tower kernel: sd 4:0:0:0: [sdd] tag#6 ASC=0x11 ASCQ=0x4
Feb 2 15:34:12 Tower kernel: sd 4:0:0:0: [sdd] tag#6 CDB: opcode=0x88 88 00 00 00 00 02 00 09 5c 90 00 00 00 60 00 00
Feb 2 15:34:12 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590548112 op 0x0:(READ) flags 0x0 phys_seg 12 prio class 0
Feb 2 15:34:12 Tower kernel: ata4: EH complete
Feb 2 15:34:15 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x2000 SErr 0x0 action 0x0
Feb 2 15:34:15 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:15 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:15 Tower kernel: ata4.00: cmd 60/00:68:f0:5c:09/01:00:00:02:00/40 tag 13 ncq dma 131072 in
Feb 2 15:34:15 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:15 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:15 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:15 Tower kernel: sd 4:0:0:0: [sdd] tag#13 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:15 Tower kernel: sd 4:0:0:0: [sdd] tag#13 Sense Key : 0x3 [current]
Feb 2 15:34:15 Tower kernel: sd 4:0:0:0: [sdd] tag#13 ASC=0x11 ASCQ=0x4
Feb 2 15:34:15 Tower kernel: sd 4:0:0:0: [sdd] tag#13 CDB: opcode=0x88 88 00 00 00 00 02 00 09 5c f0 00 00 01 00 00 00
Feb 2 15:34:15 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590548208 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:15 Tower kernel: ata4: EH complete
Feb 2 15:34:19 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x40 SErr 0x0 action 0x0
Feb 2 15:34:19 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:19 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:19 Tower kernel: ata4.00: cmd 60/00:30:f0:5d:09/01:00:00:02:00/40 tag 6 ncq dma 131072 in
Feb 2 15:34:19 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:19 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:19 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:19 Tower kernel: sd 4:0:0:0: [sdd] tag#6 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:19 Tower kernel: sd 4:0:0:0: [sdd] tag#6 Sense Key : 0x3 [current]
Feb 2 15:34:19 Tower kernel: sd 4:0:0:0: [sdd] tag#6 ASC=0x11 ASCQ=0x4
Feb 2 15:34:19 Tower kernel: sd 4:0:0:0: [sdd] tag#6 CDB: opcode=0x88 88 00 00 00 00 02 00 09 5d f0 00 00 01 00 00 00
Feb 2 15:34:19 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590548464 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:19 Tower kernel: ata4: EH complete
Feb 2 15:34:22 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x400 SErr 0x0 action 0x0
Feb 2 15:34:22 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:22 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:22 Tower kernel: ata4.00: cmd 60/00:50:f0:5e:09/01:00:00:02:00/40 tag 10 ncq dma 131072 in
Feb 2 15:34:22 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:22 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:22 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:22 Tower kernel: sd 4:0:0:0: [sdd] tag#10 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:22 Tower kernel: sd 4:0:0:0: [sdd] tag#10 Sense Key : 0x3 [current]
Feb 2 15:34:22 Tower kernel: sd 4:0:0:0: [sdd] tag#10 ASC=0x11 ASCQ=0x4
Feb 2 15:34:22 Tower kernel: sd 4:0:0:0: [sdd] tag#10 CDB: opcode=0x88 88 00 00 00 00 02 00 09 5e f0 00 00 01 00 00 00
Feb 2 15:34:22 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590548720 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:22 Tower kernel: ata4: EH complete
Feb 2 15:34:25 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x2000 SErr 0x0 action 0x0
Feb 2 15:34:25 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:25 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:25 Tower kernel: ata4.00: cmd 60/00:68:f0:5f:09/01:00:00:02:00/40 tag 13 ncq dma 131072 in
Feb 2 15:34:25 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:25 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:25 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:25 Tower kernel: sd 4:0:0:0: [sdd] tag#13 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:25 Tower kernel: sd 4:0:0:0: [sdd] tag#13 Sense Key : 0x3 [current]
Feb 2 15:34:25 Tower kernel: sd 4:0:0:0: [sdd] tag#13 ASC=0x11 ASCQ=0x4
Feb 2 15:34:25 Tower kernel: sd 4:0:0:0: [sdd] tag#13 CDB: opcode=0x88 88 00 00 00 00 02 00 09 5f f0 00 00 01 00 00 00
Feb 2 15:34:25 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590548976 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:25 Tower kernel: ata4: EH complete
Feb 2 15:34:29 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x10000 SErr 0x0 action 0x0
Feb 2 15:34:29 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:29 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:29 Tower kernel: ata4.00: cmd 60/00:80:f0:60:09/01:00:00:02:00/40 tag 16 ncq dma 131072 in
Feb 2 15:34:29 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:29 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:29 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:29 Tower kernel: sd 4:0:0:0: [sdd] tag#16 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:29 Tower kernel: sd 4:0:0:0: [sdd] tag#16 Sense Key : 0x3 [current]
Feb 2 15:34:29 Tower kernel: sd 4:0:0:0: [sdd] tag#16 ASC=0x11 ASCQ=0x4
Feb 2 15:34:29 Tower kernel: sd 4:0:0:0: [sdd] tag#16 CDB: opcode=0x88 88 00 00 00 00 02 00 09 60 f0 00 00 01 00 00 00
Feb 2 15:34:29 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590549232 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:29 Tower kernel: ata4: EH complete
Feb 2 15:34:32 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x80000 SErr 0x0 action 0x0
Feb 2 15:34:32 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:32 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:32 Tower kernel: ata4.00: cmd 60/00:98:f0:61:09/01:00:00:02:00/40 tag 19 ncq dma 131072 in
Feb 2 15:34:32 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:32 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:32 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:32 Tower kernel: sd 4:0:0:0: [sdd] tag#19 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:32 Tower kernel: sd 4:0:0:0: [sdd] tag#19 Sense Key : 0x3 [current]
Feb 2 15:34:32 Tower kernel: sd 4:0:0:0: [sdd] tag#19 ASC=0x11 ASCQ=0x4
Feb 2 15:34:32 Tower kernel: sd 4:0:0:0: [sdd] tag#19 CDB: opcode=0x88 88 00 00 00 00 02 00 09 61 f0 00 00 01 00 00 00
Feb 2 15:34:32 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590549488 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:32 Tower kernel: ata4: EH complete
Feb 2 15:34:35 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x2000 SErr 0x0 action 0x0
Feb 2 15:34:35 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:35 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:35 Tower kernel: ata4.00: cmd 60/00:68:f0:62:09/01:00:00:02:00/40 tag 13 ncq dma 131072 in
Feb 2 15:34:35 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:35 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:35 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:35 Tower kernel: sd 4:0:0:0: [sdd] tag#13 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:35 Tower kernel: sd 4:0:0:0: [sdd] tag#13 Sense Key : 0x3 [current]
Feb 2 15:34:35 Tower kernel: sd 4:0:0:0: [sdd] tag#13 ASC=0x11 ASCQ=0x4
Feb 2 15:34:35 Tower kernel: sd 4:0:0:0: [sdd] tag#13 CDB: opcode=0x88 88 00 00 00 00 02 00 09 62 f0 00 00 01 00 00 00
Feb 2 15:34:35 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590549744 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:35 Tower kernel: ata4: EH complete
Feb 2 15:34:39 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x10000 SErr 0x0 action 0x0
Feb 2 15:34:39 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:39 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:39 Tower kernel: ata4.00: cmd 60/00:80:f0:63:09/01:00:00:02:00/40 tag 16 ncq dma 131072 in
Feb 2 15:34:39 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:39 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:39 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:39 Tower kernel: sd 4:0:0:0: [sdd] tag#16 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:39 Tower kernel: sd 4:0:0:0: [sdd] tag#16 Sense Key : 0x3 [current]
Feb 2 15:34:39 Tower kernel: sd 4:0:0:0: [sdd] tag#16 ASC=0x11 ASCQ=0x4
Feb 2 15:34:39 Tower kernel: sd 4:0:0:0: [sdd] tag#16 CDB: opcode=0x88 88 00 00 00 00 02 00 09 63 f0 00 00 01 00 00 00
Feb 2 15:34:39 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590550000 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:39 Tower kernel: ata4: EH complete
Feb 2 15:34:42 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x80000 SErr 0x0 action 0x0
Feb 2 15:34:42 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:42 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:42 Tower kernel: ata4.00: cmd 60/00:98:f0:64:09/01:00:00:02:00/40 tag 19 ncq dma 131072 in
Feb 2 15:34:42 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:42 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:42 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:42 Tower kernel: sd 4:0:0:0: [sdd] tag#19 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:42 Tower kernel: sd 4:0:0:0: [sdd] tag#19 Sense Key : 0x3 [current]
Feb 2 15:34:42 Tower kernel: sd 4:0:0:0: [sdd] tag#19 ASC=0x11 ASCQ=0x4
Feb 2 15:34:42 Tower kernel: sd 4:0:0:0: [sdd] tag#19 CDB: opcode=0x88 88 00 00 00 00 02 00 09 64 f0 00 00 01 00 00 00
Feb 2 15:34:42 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590550256 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:42 Tower kernel: ata4: EH complete
Feb 2 15:34:45 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x400000 SErr 0x0 action 0x0
Feb 2 15:34:45 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:45 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:45 Tower kernel: ata4.00: cmd 60/00:b0:f0:65:09/01:00:00:02:00/40 tag 22 ncq dma 131072 in
Feb 2 15:34:45 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:45 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:45 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:45 Tower kernel: sd 4:0:0:0: [sdd] tag#22 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:45 Tower kernel: sd 4:0:0:0: [sdd] tag#22 Sense Key : 0x3 [current]
Feb 2 15:34:45 Tower kernel: sd 4:0:0:0: [sdd] tag#22 ASC=0x11 ASCQ=0x4
Feb 2 15:34:45 Tower kernel: sd 4:0:0:0: [sdd] tag#22 CDB: opcode=0x88 88 00 00 00 00 02 00 09 65 f0 00 00 01 00 00 00
Feb 2 15:34:45 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590550512 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:45 Tower kernel: ata4: EH complete
Feb 2 15:34:49 Tower kernel: ata4.00: exception Emask 0x0 SAct 0x2000000 SErr 0x0 action 0x0
Feb 2 15:34:49 Tower kernel: ata4.00: irq_stat 0x40000008
Feb 2 15:34:49 Tower kernel: ata4.00: failed command: READ FPDMA QUEUED
Feb 2 15:34:49 Tower kernel: ata4.00: cmd 60/00:c8:f0:66:09/01:00:00:02:00/40 tag 25 ncq dma 131072 in
Feb 2 15:34:49 Tower kernel: ata4.00: status: { DRDY SENSE ERR }
Feb 2 15:34:49 Tower kernel: ata4.00: error: { UNC }
Feb 2 15:34:49 Tower kernel: ata4.00: configured for UDMA/133
Feb 2 15:34:49 Tower kernel: sd 4:0:0:0: [sdd] tag#25 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=DRIVER_OK cmd_age=3s
Feb 2 15:34:49 Tower kernel: sd 4:0:0:0: [sdd] tag#25 Sense Key : 0x3 [current]
Feb 2 15:34:49 Tower kernel: sd 4:0:0:0: [sdd] tag#25 ASC=0x11 ASCQ=0x4
Feb 2 15:34:49 Tower kernel: sd 4:0:0:0: [sdd] tag#25 CDB: opcode=0x88 88 00 00 00 00 02 00 09 66 f0 00 00 01 00 00 00
Feb 2 15:34:49 Tower kernel: blk_update_request: I/O error, dev sdd, sector 8590550768 op 0x0:(READ) flags 0x0 phys_seg 32 prio class 0
Feb 2 15:34:49 Tower kernel: ata4: EH complete
Feb 2 15:34:51 Tower wsdd2[4129]: 'Terminated' signal received.
Feb 2 15:34:51 Tower wsdd2[4129]: terminating.
Feb 2 15:34:53 Tower root: /usr/sbin/wsdd2 -d
Feb 2 15:34:53 Tower wsdd2[5457]: starting.
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Fix Common Problems plugin also said | If the disk has not been disabled, then Unraid has successfully rewritten the contents of the offending sectors back to the hard drive.
I'm about to try skimming through a bunch of media files on Disk 5 to see if any more errors happen.