ST2000DM001-1CH164_XXXXXHL8 have medium errors, please look at the disk S.M.A.R.T. to see if it's dying.
Aug 21 06:59:00 phoenix kernel: sd 17:0:0:0: [sdb] tag#30 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Aug 21 06:59:00 phoenix kernel: sd 17:0:0:0: [sdb] tag#30 Sense Key : 0x3 [current]
Aug 21 06:59:00 phoenix kernel: sd 17:0:0:0: [sdb] tag#30 ASC=0x11 ASCQ=0x0
Aug 21 06:59:00 phoenix kernel: sd 17:0:0:0: [sdb] tag#30 CDB: opcode=0x28 28 00 22 dc 1b 38 00 00 08 00
Aug 21 06:59:00 phoenix kernel: print_req_error: critical medium error, dev sdb, sector 584850232
Aug 21 06:59:00 phoenix kernel: Buffer I/O error on dev sdb, logical block 73106279, async page read
KingDian S280-24 4B too have problems:
Aug 20 16:46:28 phoenix kernel: ata6.00: exception Emask 0x0 SAct 0x8000000 SErr 0x0 action 0x0
Aug 20 16:46:28 phoenix kernel: ata6.00: irq_stat 0x40000008
Aug 20 16:46:28 phoenix kernel: ata6.00: failed command: READ FPDMA QUEUED
Aug 20 16:46:28 phoenix kernel: ata6.00: cmd 60/40:d8:00:c4:79/05:00:01:00:00/40 tag 27 ncq dma 688128 in
Aug 20 16:46:28 phoenix kernel: res 41/40:40:00:c4:79/00:05:01:00:00/40 Emask 0x409 (media error) <F>
Aug 20 16:46:28 phoenix kernel: ata6.00: status: { DRDY ERR }
Aug 20 16:46:28 phoenix kernel: ata6.00: error: { UNC }
Aug 20 16:46:28 phoenix kernel: ata6.00: configured for UDMA/133
Aug 20 16:46:28 phoenix kernel: sd 6:0:0:0: [sdj] tag#27 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Aug 20 16:46:28 phoenix kernel: sd 6:0:0:0: [sdj] tag#27 Sense Key : 0x3 [current]
Aug 20 16:46:28 phoenix kernel: sd 6:0:0:0: [sdj] tag#27 ASC=0x11 ASCQ=0x4
Aug 20 16:46:28 phoenix kernel: sd 6:0:0:0: [sdj] tag#27 CDB: opcode=0x28 28 00 01 79 c4 00 00 05 40 00
Aug 20 16:46:28 phoenix kernel: print_req_error: I/O error, dev sdj, sector 24757248
Aug 20 16:46:28 phoenix kernel: ata6: EH complete
Same for WDC WD20EADS-00S:
Aug 20 20:31:24 phoenix kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
Aug 20 20:31:24 phoenix kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
Aug 20 20:31:24 phoenix kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
Aug 20 20:31:24 phoenix kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
Aug 20 20:31:24 phoenix kernel: mpt2sas_cm0: log_info(0x31080000): originator(PL), code(0x08), sub_code(0x0000)
Aug 20 20:31:24 phoenix kernel: sd 17:0:13:0: [sdt] tag#2 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
Aug 20 20:31:24 phoenix kernel: sd 17:0:13:0: [sdt] tag#2 Sense Key : 0x3 [current]
Aug 20 20:31:24 phoenix kernel: sd 17:0:13:0: [sdt] tag#2 ASC=0x11 ASCQ=0x0
Aug 20 20:31:24 phoenix kernel: sd 17:0:13:0: [sdt] tag#2 CDB: opcode=0x28 28 00 92 d3 de 18 00 00 08 00
Aug 20 20:31:24 phoenix kernel: print_req_error: critical medium error, dev sdt, sector 2463358488
Aug 20 20:31:24 phoenix kernel: Buffer I/O error on dev sdt, logical block 307919811, async page read