Stuck in "Connecting to the ReadyNAS Admin Page" loop after upgrade to 6.10.3

dmesg.log

[Tue May 12 03:10:47 2020] sd 2:0:0:0: [sdc] tag#4 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[Tue May 12 03:10:47 2020] sd 2:0:0:0: [sdc] tag#4 CDB: Read(10) 28 00 dc f1 ea 80 00 05 40 00
[Tue May 12 03:10:47 2020] blk_update_request: I/O error, dev sdc, sector 3706841728
[Tue May 12 03:10:47 2020] sd 2:0:0:0: [sdc] tag#5 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[Tue May 12 03:10:47 2020] sd 2:0:0:0: [sdc] tag#5 CDB: Read(10) 28 00 dc f1 ef c0 00 05 40 00
[Tue May 12 03:10:47 2020] blk_update_request: I/O error, dev sdc, sector 3706843072
[Tue May 12 03:10:47 2020] sd 2:0:0:0: [sdc] tag#6 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_TIMEOUT
[Tue May 12 03:10:47 2020] sd 2:0:0:0: [sdc] tag#6 CDB: Read(10) 28 00 dc f1 f5 00 00 05 40 00
[Tue May 12 03:10:47 2020] blk_update_request: I/O error, dev sdc, sector 3706844416
[Tue May 12 03:10:47 2020] ata3: EH complete
[Tue May 12 03:11:50 2020] ata3.00: NCQ disabled due to excessive errors
[Tue May 12 03:11:50 2020] ata3.00: exception Emask 0x0 SAct 0x100000 SErr 0x0 action 0x6 frozen
[Tue May 12 03:11:50 2020] ata3.00: failed command: READ FPDMA QUEUED
[Tue May 12 03:11:50 2020] ata3.00: cmd 60/40:a0:00:5a:f3/05:00:dc:00:00/40 tag 20 ncq 688128 in
res 40/00:00:01:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
[Tue May 12 03:11:50 2020] ata3.00: status: { DRDY }
[Tue May 12 03:11:50 2020] ata3: hard resetting link
[Tue May 12 03:11:51 2020] do_marvell_9170_recover: ignoring PCI device (8086:2821) at PCI#0
[Tue May 12 03:11:51 2020] ata3: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[Tue May 12 03:11:51 2020] ata3.00: configured for UDMA/133
[Tue May 12 03:11:51 2020] scsi_io_completion: 7 callbacks suppressed

http.log

May 12 09:10:58 Evergreen-NAS apache_access[4986]: 192.168.168.23 "GET /admin/index.html HTTP/1.1" 401
May 12 09:10:58 Evergreen-NAS apache2[4988]: pam_tally2(apache:auth): pam_get_uid; no such user
May 12 09:11:00 Evergreen-NAS apache2[18558]: [auth_basic:error] [pid 18558] [client 192.168.168.23:57863] AH01618: user 1589289050949 not found: /admin/index.html, referer: http://
192.168.168.169/admin/index.html
May 12 09:11:29 Evergreen-NAS apache_access[4986]: Suppressed 2 duplicate messages

Thanks for the support StephenB .

I found some errors in dmesg.log. (attached).