Getting pages back from those comands. Excerpt:
[10626.725187] sd 5:0:0:0: [sdd]
[10626.725191] Sense Key : 0xb [current]
[10626.725199] sd 5:0:0:0: [sdd]
[10626.725203] ASC=0x47 ASCQ=0x3
[10626.725208] sd 5:0:0:0: [sdd] CDB:
[10626.725212] cdb[0]=0x8a: 8a 00 00 00 00 00 e8 c9 d4 70 00 00 00 38 00 00
[10626.725231] end_request: I/O error, dev sdd, sector 3905541232
[10631.158673] sd 5:0:0:0: [sdd]
[10631.158690] Result: hostbyte=0x00 driverbyte=0x08
[10631.158695] sd 5:0:0:0: [sdd]
[10631.158699] Sense Key : 0xb [current]
[10631.158708] sd 5:0:0:0: [sdd]
[10631.158711] ASC=0x47 ASCQ=0x3
[10631.158716] sd 5:0:0:0: [sdd] CDB:
[10631.158720] cdb[0]=0x8a: 8a 00 00 00 00 00 e8 cb 6f f8 00 00 00 58 00 00
[10631.158741] end_request: I/O error, dev sdd, sector 3905646584
[10631.158749] quiet_error: 27 callbacks suppressed
[10631.158753] Buffer I/O error on device sdd, logical block 488205823
[10631.158757] lost page write due to I/O error on sdd
[10631.158779] Buffer I/O error on device sdd, logical block 488205824
[10631.158783] lost page write due to I/O error on sdd
[10631.158791] Buffer I/O error on device sdd, logical block 488205825
[10631.158795] lost page write due to I/O error on sdd
[10631.158801] Buffer I/O error on device sdd, logical block 488205826
[10631.158804] lost page write due to I/O error on sdd
[10631.158811] Buffer I/O error on device sdd, logical block 488205827
[10631.158814] lost page write due to I/O error on sdd
[10631.158822] Buffer I/O error on device sdd, logical block 488205828
[10631.158825] lost page write due to I/O error on sdd
[10631.158831] Buffer I/O error on device sdd, logical block 488205829
[10631.158835] lost page write due to I/O error on sdd
[10631.158840] Buffer I/O error on device sdd, logical block 488205830
[10631.158844] lost page write due to I/O error on sdd
[10631.158850] Buffer I/O error on device sdd, logical block 488205831
[10631.158853] lost page write due to I/O error on sdd
[10631.158859] Buffer I/O error on device sdd, logical block 488205832
[10631.158863] lost page write due to I/O error on sdd
[10635.591367] sd 5:0:0:0: [sdd]
[10635.591380] Result: hostbyte=0x00 driverbyte=0x08
[10635.591386] sd 5:0:0:0: [sdd]
[10635.591389] Sense Key : 0xb [current]
[10635.591397] sd 5:0:0:0: [sdd]
[10635.591400] ASC=0x47 ASCQ=0x3
[10635.591406] sd 5:0:0:0: [sdd] CDB:
[10635.591410] cdb[0]=0x8a: 8a 00 00 00 00 00 e8 c9 d6 60 00 00 00 30 00 00
[10635.591429] end_request: I/O error, dev sdd, sector 3905541728
[10640.037675] sd 5:0:0:0: [sdd]
[10640.037691] Result: hostbyte=0x00 driverbyte=0x08
[10640.037697] sd 5:0:0:0: [sdd]
[10640.037701] Sense Key : 0xb [current]
[10640.037709] sd 5:0:0:0: [sdd]
[10640.037713] ASC=0x47 ASCQ=0x3
[10640.037718] sd 5:0:0:0: [sdd] CDB:
[10640.037722] cdb[0]=0x8a: 8a 00 00 00 00 00 e8 cb 76 90 00 00 00 e0 00 00
[10640.037741] end_request: I/O error, dev sdd, sector 3905648272
[10640.037748] quiet_error: 7 callbacks suppressed
[10640.037753] Buffer I/O error on device sdd, logical block 488206034
[10640.037757] lost page write due to I/O error on sdd
[10640.037779] Buffer I/O error on device sdd, logical block 488206035
[10640.037782] lost page write due to I/O error on sdd
[10640.037789] Buffer I/O error on device sdd, logical block 488206036
[10640.037793] lost page write due to I/O error on sdd
[10640.037800] Buffer I/O error on device sdd, logical block 488206037
[10640.037803] lost page write due to I/O error on sdd
[10640.037809] Buffer I/O error on device sdd, logical block 488206038
[10640.037813] lost page write due to I/O error on sdd
[10640.037820] Buffer I/O error on device sdd, logical block 488206039
[10640.037823] lost page write due to I/O error on sdd
[10640.037830] Buffer I/O error on device sdd, logical block 488206040
[10640.037833] lost page write due to I/O error on sdd
[10640.037840] Buffer I/O error on device sdd, logical block 488206041
[10640.037843] lost page write due to I/O error on sdd
[10640.037850] Buffer I/O error on device sdd, logical block 488206042
[10640.037853] lost page write due to I/O error on sdd
[10640.037859] Buffer I/O error on device sdd, logical block 488206043
[10640.037863] lost page write due to I/O error on sdd
[10644.468632] sd 5:0:0:0: [sdd]
[10644.468646] Result: hostbyte=0x00 driverbyte=0x08
[10644.468652] sd 5:0:0:0: [sdd]
[10644.468656] Sense Key : 0xb [current]
[10644.468664] sd 5:0:0:0: [sdd]
[10644.468667] ASC=0x47 ASCQ=0x3
[10644.468673] sd 5:0:0:0: [sdd] CDB:
[10644.468677] cdb[0]=0x8a: 8a 00 00 00 00 00 e8 ca c1 68 00 00 00 28 00 00
[10644.468696] end_request: I/O error, dev sdd, sector 3905601896
[10648.902917] sd 5:0:0:0: [sdd]
[10648.902930] Result: hostbyte=0x00 driverbyte=0x08
[10648.902935] sd 5:0:0:0: [sdd]
[10648.902939] Sense Key : 0xb [current]
[10648.902947] sd 5:0:0:0: [sdd]
[10648.902950] ASC=0x47 ASCQ=0x3
[10648.902956] sd 5:0:0:0: [sdd] CDB:
[10648.902959] cdb[0]=0x8a: 8a 00 00 00 00 00 e8 cb 77 70 00 00 00 a0 00 00
[10648.902979] end_request: I/O error, dev sdd, sector 3905648496
[10648.902985] quiet_error: 23 callbacks suppressed
[10648.902990] Buffer I/O error on device sdd, logical block 488206062
[10648.902993] lost page write due to I/O error on sdd
[10648.903008] Buffer I/O error on device sdd, logical block 488206063
[10648.903012] lost page write due to I/O error on sdd
[10648.903019] Buffer I/O error on device sdd, logical block 488206064
[10648.903022] lost page write due to I/O error on sdd
[10648.903029] Buffer I/O error on device sdd, logical block 488206065
[10648.903032] lost page write due to I/O error on sdd
[10648.903038] Buffer I/O error on device sdd, logical block 488206066
[10648.903041] lost page write due to I/O error on sdd
[10648.903048] Buffer I/O error on device sdd, logical block 488206067
[10648.903051] lost page write due to I/O error on sdd
[10648.903058] Buffer I/O error on device sdd, logical block 488206068
[10648.903061] lost page write due to I/O error on sdd
[10648.903067] Buffer I/O error on device sdd, logical block 488206069
[10648.903070] lost page write due to I/O error on sdd
[10648.903077] Buffer I/O error on device sdd, logical block 488206070
[10648.903080] lost page write due to I/O error on sdd
[10648.903087] Buffer I/O error on device sdd, logical block 488206071
[10648.903090] lost page write due to I/O error on sdd
[10653.346829] sd 5:0:0:0: [sdd]
[10653.346842] Result: hostbyte=0x00 driverbyte=0x08
[10653.346847] sd 5:0:0:0: [sdd]
[10653.346852] Sense Key : 0xb [current]
[10653.346860] sd 5:0:0:0: [sdd]
[10653.346863] ASC=0x47 ASCQ=0x3
[10653.346868] sd 5:0:0:0: [sdd] CDB:
[10653.346872] cdb[0]=0x8a: 8a 00 00 00 00 00 e8 ca e6 18 00 00 00 70 00 00
[10653.346891] end_request: I/O error, dev sdd, sector 3905611288
^C
osmc@htpc:~$ journalctl -f
ā Logs begin at Thu 2016-11-03 17:16:42 GMT. ā
Sep 27 11:33:55 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:33:59 htpc kernel: sd 5:0:0:0: [sdd]
Sep 27 11:33:59 htpc kernel: Result: hostbyte=0x00 driverbyte=0x08
Sep 27 11:33:59 htpc kernel: sd 5:0:0:0: [sdd]
Sep 27 11:33:59 htpc kernel: Sense Key : 0xb [current]
Sep 27 11:33:59 htpc kernel: sd 5:0:0:0: [sdd]
Sep 27 11:33:59 htpc kernel: ASC=0x47 ASCQ=0x3
Sep 27 11:33:59 htpc kernel: sd 5:0:0:0: [sdd] CDB:
Sep 27 11:33:59 htpc kernel: cdb[0]=0x8a: 8a 00 00 00 00 00 e8 ca e6 18 00 00 00 70 00 00
Sep 27 11:33:59 htpc kernel: end_request: I/O error, dev sdd, sector 3905611288
Sep 27 11:34:08 htpc kernel: sd 5:0:0:0: [sdd]
Sep 27 11:34:08 htpc kernel: Result: hostbyte=0x00 driverbyte=0x08
Sep 27 11:34:08 htpc kernel: sd 5:0:0:0: [sdd]
Sep 27 11:34:08 htpc kernel: Sense Key : 0xb [current]
Sep 27 11:34:08 htpc kernel: sd 5:0:0:0: [sdd]
Sep 27 11:34:08 htpc kernel: ASC=0x47 ASCQ=0x3
Sep 27 11:34:08 htpc kernel: sd 5:0:0:0: [sdd] CDB:
Sep 27 11:34:08 htpc kernel: cdb[0]=0x8a: 8a 00 00 00 00 00 e8 cb 08 a8 00 00 00 f0 00 00
Sep 27 11:34:08 htpc kernel: end_request: I/O error, dev sdd, sector 3905620136
Sep 27 11:34:08 htpc kernel: quiet_error: 24 callbacks suppressed
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202517
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202518
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202519
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202520
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202521
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202522
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202523
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202524
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202525
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd
Sep 27 11:34:08 htpc kernel: Buffer I/O error on device sdd, logical block 488202526
Sep 27 11:34:08 htpc kernel: lost page write due to I/O error on sdd