The same.
8,001,563,222,016 bytes [8.00 TB] New Drive Ironwolf
8,001,563,222,016 bytes [8.00 TB] Parity Drive WD RED
Log is full of disk read errors:
ar 4 00:09:56 Tower emhttpd: shcmd (369): xfs_growfs /mnt/disk8
Mar 4 00:09:56 Tower root: meta-data=/dev/md8 isize=512 agcount=8, agsize=268435455 blks
Mar 4 00:09:56 Tower root: = sectsz=512 attr=2, projid32bit=1
Mar 4 00:09:56 Tower root: = crc=1 finobt=1, sparse=1, rmapbt=0
Mar 4 00:09:56 Tower root: = reflink=1
Mar 4 00:09:56 Tower root: data = bsize=4096 blocks=1953506633, imaxpct=5
Mar 4 00:09:56 Tower root: = sunit=0 swidth=0 blks
Mar 4 00:09:56 Tower root: naming =version 2 bsize=4096 ascii-ci=0, ftype=1
Mar 4 00:09:56 Tower root: log =internal log bsize=4096 blocks=521728, version=2
Mar 4 00:09:56 Tower root: = sectsz=512 sunit=0 blks, lazy-count=1
Mar 4 00:09:56 Tower root: realtime =none extsz=4096 blocks=0, rtextents=0
Mar 4 00:09:56 Tower emhttpd: shcmd (370): mkdir -p /mnt/cache
Mar 4 00:09:56 Tower kernel: ata50.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Mar 4 00:09:56 Tower kernel: ata50.00: irq_stat 0x40000001
Mar 4 00:09:56 Tower kernel: ata50.00: failed command: READ DMA EXT
Mar 4 00:09:56 Tower kernel: ata50.00: cmd 25/00:08:00:2a:81/00:00:a3:03:00/e0 tag 12 dma 4096 in
Mar 4 00:09:56 Tower kernel: res 53/04:08:00:2a:81/00:00:a3:03:00/e0 Emask 0x1 (device error)
Mar 4 00:09:56 Tower kernel: ata50.00: status: { DRDY SENSE ERR }
Mar 4 00:09:56 Tower kernel: ata50.00: error: { ABRT }
Mar 4 00:09:56 Tower kernel: ata50.00: configured for UDMA/133 (device error ignored)
Mar 4 00:09:56 Tower kernel: sd 50:0:0:0: [sdi] tag#12 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 cmd_age=0s
Mar 4 00:09:56 Tower kernel: sd 50:0:0:0: [sdi] tag#12 Sense Key : 0x5 [current]
Mar 4 00:09:56 Tower kernel: sd 50:0:0:0: [sdi] tag#12 ASC=0x21 ASCQ=0x4
Mar 4 00:09:56 Tower kernel: sd 50:0:0:0: [sdi] tag#12 CDB: opcode=0x88 88 00 00 00 00 03 a3 81 2a 00 00 00 00 08 00 00
Mar 4 00:09:56 Tower kernel: blk_update_request: I/O error, dev sdi, sector 15628052992 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0
Mar 4 00:09:56 Tower kernel: ata50: EH complete
Mar 4 00:09:56 Tower kernel: ata50.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Mar 4 00:09:56 Tower kernel: ata50.00: irq_stat 0x40000001
Mar 4 00:09:56 Tower kernel: ata50.00: failed command: READ DMA EXT
Mar 4 00:09:56 Tower kernel: ata50.00: cmd 25/00:08:00:2a:81/00:00:a3:03:00/e0 tag 16 dma 4096 in
Mar 4 00:09:56 Tower kernel: res 53/04:08:00:2a:81/00:00:a3:03:00/e0 Emask 0x1 (device error)
Mar 4 00:09:56 Tower kernel: ata50.00: status: { DRDY SENSE ERR }
Mar 4 00:09:56 Tower kernel: ata50.00: error: { ABRT }
Mar 4 00:09:56 Tower kernel: ata50.00: configured for UDMA/133 (device error ignored)
Mar 4 00:09:56 Tower kernel: ata50: EH complete
Mar 4 00:09:56 Tower kernel: ata50.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Mar 4 00:09:56 Tower kernel: ata50.00: irq_stat 0x40000001
Mar 4 00:09:56 Tower kernel: ata50.00: failed command: READ DMA EXT
Mar 4 00:09:56 Tower kernel: ata50.00: cmd 25/00:08:00:2a:81/00:00:a3:03:00/e0 tag 10 dma 4096 in
Mar 4 00:09:56 Tower kernel: res 53/04:08:00:2a:81/00:00:a3:03:00/e0 Emask 0x1 (device error)
Mar 4 00:09:56 Tower kernel: ata50.00: status: { DRDY SENSE ERR }
Mar 4 00:09:56 Tower kernel: ata50.00: error: { ABRT }
Mar 4 00:09:56 Tower kernel: ata50.00: configured for UDMA/133 (device error ignored)
Mar 4 00:09:56 Tower kernel: ata50: EH complete
Mar 4 00:09:56 Tower kernel: ata50.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Mar 4 00:09:56 Tower kernel: ata50.00: irq_stat 0x40000001
Mar 4 00:09:56 Tower kernel: ata50.00: failed command: READ DMA EXT
Mar 4 00:09:56 Tower kernel: ata50.00: cmd 25/00:08:00:2a:81/00:00:a3:03:00/e0 tag 14 dma 4096 in
Mar 4 00:09:56 Tower kernel: res 53/04:08:00:2a:81/00:00:a3:03:00/e0 Emask 0x1 (device error)
Mar 4 00:09:56 Tower kernel: ata50.00: status: { DRDY SENSE ERR }
Mar 4 00:09:56 Tower kernel: ata50.00: error: { ABRT }
Mar 4 00:09:56 Tower kernel: ata50.00: configured for UDMA/133 (device error ignored)
Mar 4 00:09:56 Tower kernel: ata50: EH complete
Mar 4 00:09:56 Tower kernel: ata50.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Mar 4 00:09:56 Tower kernel: ata50.00: irq_stat 0x40000001
Mar 4 00:09:56 Tower kernel: ata50.00: failed command: READ DMA EXT
Mar 4 00:09:56 Tower kernel: ata50.00: cmd 25/00:08:00:2a:81/00:00:a3:03:00/e0 tag 21 dma 4096 in
Mar 4 00:09:56 Tower kernel: res 53/04:08:00:2a:81/00:00:a3:03:00/e0 Emask 0x1 (device error)
Mar 4 00:09:56 Tower kernel: ata50.00: status: { DRDY SENSE ERR }
Mar 4 00:09:56 Tower kernel: ata50.00: error: { ABRT }
Mar 4 00:09:56 Tower kernel: ata50.00: configured for UDMA/133 (device error ignored)
Mar 4 00:09:56 Tower kernel: ata50: EH complete
Mar 4 00:09:56 Tower kernel: ata50.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Mar 4 00:09:56 Tower kernel: ata50.00: irq_stat 0x40000001
Mar 4 00:09:56 Tower kernel: ata50.00: failed command: READ DMA EXT
Mar 4 00:09:56 Tower kernel: ata50.00: cmd 25/00:08:00:2a:81/00:00:a3:03:00/e0 tag 26 dma 4096 in
Mar 4 00:09:56 Tower kernel: res 53/04:08:00:2a:81/00:00:a3:03:00/e0 Emask 0x1 (device error)
Mar 4 00:09:56 Tower kernel: ata50.00: status: { DRDY SENSE ERR }
Mar 4 00:09:56 Tower kernel: ata50.00: error: { ABRT }
Mar 4 00:09:56 Tower kernel: ata50.00: configured for UDMA/133 (device error ignored)
Mar 4 00:09:56 Tower kernel: ata50: EH complete
Mar 4 00:09:56 Tower kernel: ata50.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
Mar 4 00:09:56 Tower kernel: ata50.00: irq_stat 0x40000001
Mar 4 00:09:56 Tower kernel: ata50.00: failed command: READ DMA EXT
Mar 4 00:09:56 Tower kernel: ata50.00: cmd 25/00:08:00:2a:81/00:00:a3:03:00/e0 tag 0 dma 4096 in
Mar 4 00:09:56 Tower kernel: res 53/04:08:00:2a:81/00:00:a3:03:00/e0 Emask 0x1 (device error)
Mar 4 00:09:56 Tower kernel: ata50.00: status: { DRDY SENSE ERR }
Mar 4 00:09:56 Tower kernel: ata50.00: error: { ABRT }
Mar 4 00:09:56 Tower kernel: ata50.00: configured for UDMA/133 (device error ignored)
Mar 4 00:09:56 Tower kernel: sd 50:0:0:0: [sdi] tag#0 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08 cmd_age=0s
Mar 4 00:09:56 Tower kernel: sd 50:0:0:0: [sdi] tag#0 Sense Key : 0x5 [current]
Mar 4 00:09:56 Tower kernel: sd 50:0:0:0: [sdi] tag#0 ASC=0x21 ASCQ=0x4
Mar 4 00:09:56 Tower kernel: sd 50:0:0:0: [sdi] tag#0 CDB: opcode=0x88 88 00 00 00 00 03 a3 81 2a 00 00 00 00 08 00 00
Mar 4 00:09:56 Tower kernel: blk_update_request: I/O error, dev sdi, sector 15628052992 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0
Mar 4 00:09:56 Tower kernel: Buffer I/O error on dev sdi, logical block 1953506624, async page read