Personalities : [raid1]
md3 : active raid1 sdb3[2](F) sda3[0]
      970470016 blocks [2/1] [U_]

md1 : active raid1 sdb1[2](F) sda1[0]
      4194240 blocks [2/1] [U_]

smartctl 5.43 2016-09-28 r4347 [x86_64-linux-2.6.32-754.14.2.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net

Vendor:               /1:0:0:0
Product:
User Capacity:        600,332,565,813,390,450 bytes [600 PB]
Logical block size:   774843950 bytes
>> Terminate command early due to bad response to IEC mode page
A mandatory SMART command failed: exiting. To continue, add one or more '-T permissive' options.



ata2.00: failed command: WRITE FPDMA QUEUED
ata2.00: cmd 61/00:d0:00:15:4d/01:00:74:00:00/40 tag 26 ncq 131072 out
         res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2.00: status: { DRDY }
ata2.00: failed command: WRITE FPDMA QUEUED
ata2.00: cmd 61/00:d8:00:16:4d/01:00:74:00:00/40 tag 27 ncq 131072 out
         res 40/00:b0:00:c4:24/00:00:74:00:00/40 Emask 0x4 (timeout)
ata2.00: status: { DRDY }
ata2.00: failed command: WRITE FPDMA QUEUED
ata2.00: cmd 61/00:e0:00:17:4d/01:00:74:00:00/40 tag 28 ncq 131072 out
         res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2.00: status: { DRDY }
ata2.00: failed command: WRITE FPDMA QUEUED
ata2.00: cmd 61/80:e8:00:18:4d/00:00:74:00:00/40 tag 29 ncq 65536 out
         res 40/00:00:00:4f:c2/00:00:00:00:00/00 Emask 0x4 (timeout)
ata2.00: status: { DRDY }
ata2: hard resetting link
ata2: link is slow to respond, please be patient (ready=0)
ata2: COMRESET failed (errno=-16)
ata2: hard resetting link
ata2: link is slow to respond, please be patient (ready=0)
ata2: COMRESET failed (errno=-16)
ata2: hard resetting link
ata2: link is slow to respond, please be patient (ready=0)
ata2: COMRESET failed (errno=-16)
ata2: limiting SATA link speed to 1.5 Gbps
ata2: hard resetting link
ata2: COMRESET failed (errno=-16)
ata2: reset failed, giving up
ata2.00: disabled
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2.00: device reported invalid CHS sector 0
ata2: EH complete
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 18 00 00 00 80 00
end_request: I/O error, dev sdb, sector 1951209472
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 17 00 00 01 00 00
end_request: I/O error, dev sdb, sector 1951209216
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 16 00 00 01 00 00
end_request: I/O error, dev sdb, sector 1951208960
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 15 00 00 01 00 00
end_request: I/O error, dev sdb, sector 1951208704
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 14 80 00 00 80 00
end_request: I/O error, dev sdb, sector 1951208576
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 14 00 00 00 80 00
end_request: I/O error, dev sdb, sector 1951208448
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 13 00 00 01 00 00
end_request: I/O error, dev sdb, sector 1951208192
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 12 00 00 01 00 00
end_request: I/O error, dev sdb, sector 1951207936
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 11 00 00 01 00 00
end_request: I/O error, dev sdb, sector 1951207680
sd 1:0:0:0: [sdb]  Result: hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
sd 1:0:0:0: [sdb] CDB: Write(10): 2a 00 74 4d 10 00 00 01 00 00
end_request: I/O error, dev sdb, sector 1951207424
md: super_written gets error=-5, uptodate=0
md/raid1:md1: Disk failure on sdb1, disabling device.
md/raid1:md1: Operation continuing on 1 devices.
md: super_written gets error=-5, uptodate=0