Пытаюсь починить массив

mdadm.log

[22244.117869] ata5.00: exception Emask 0x0 SAct 0xf SErr 0x0 action 0x0
[22244.117876] ata5.00: irq_stat 0x40000008
[22244.117881] ata5.00: failed command: READ FPDMA QUEUED
[22244.117890] ata5.00: cmd 60/00:00:b2:0d:70/04:00:db:00:00/40 tag 0 ncq 524288 in
[22244.117890]          res 41/40:00:40:11:70/00:00:db:00:00/40 Emask 0x409 (media error) <F>
[22244.117894] ata5.00: status: { DRDY ERR }
[22244.117897] ata5.00: error: { UNC }
[22244.124956] ata5.00: configured for UDMA/133
[22244.124990] sd 4:0:0:0: [sda] Unhandled sense code
[22244.124994] sd 4:0:0:0: [sda]  
[22244.124997] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[22244.125000] sd 4:0:0:0: [sda]  
[22244.125002] Sense Key : Medium Error [current] [descriptor]
[22244.125006] Descriptor sense data with sense descriptors (in hex):
[22244.125008]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[22244.125018]         db 70 11 40 
[22244.125023] sd 4:0:0:0: [sda]  
[22244.125027] Add. Sense: Unrecovered read error - auto reallocate failed
[22244.125030] sd 4:0:0:0: [sda] CDB: 
[22244.125032] Read(10): 28 00 db 70 0d b2 00 04 00 00
[22244.125042] end_request: I/O error, dev sda, sector 3681554752
[22244.125065] ata5: EH complete
[22249.578015] ata5.00: exception Emask 0x0 SAct 0x2000000 SErr 0x0 action 0x0
[22249.578022] ata5.00: irq_stat 0x40000008
[22249.578028] ata5.00: failed command: READ FPDMA QUEUED
[22249.578036] ata5.00: cmd 60/08:c8:4a:11:70/00:00:db:00:00/40 tag 25 ncq 4096 in
[22249.578036]          res 41/40:00:4a:11:70/00:00:db:00:00/40 Emask 0x409 (media error) <F>
[22249.578041] ata5.00: status: { DRDY ERR }
[22249.578043] ata5.00: error: { UNC }
[22249.585456] ata5.00: configured for UDMA/133
[22249.585482] sd 4:0:0:0: [sda] Unhandled sense code
[22249.585485] sd 4:0:0:0: [sda]  
[22249.585488] Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
[22249.585491] sd 4:0:0:0: [sda]  
[22249.585493] Sense Key : Medium Error [current] [descriptor]
[22249.585497] Descriptor sense data with sense descriptors (in hex):
[22249.585499]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
[22249.585509]         db 70 11 4a 
[22249.585514] sd 4:0:0:0: [sda]  
[22249.585518] Add. Sense: Unrecovered read error - auto reallocate failed
[22249.585521] sd 4:0:0:0: [sda] CDB: 
[22249.585523] Read(10): 28 00 db 70 11 4a 00 00 08 00
[22249.585533] end_request: I/O error, dev sda, sector 3681554762
[22249.585559] ata5: EH complete
[22249.585584] md/raid1:md127: sda: unrecoverable I/O read error for block 3681554432
[22249.585797] md: md127: recovery interrupted.
[22249.739026] RAID1 conf printout:
[22249.739035]  --- wd:1 rd:2
[22249.739040]  disk 0, wo:0, o:1, dev:sda1
[22249.739043]  disk 1, wo:1, o:1, dev:sdb
[22249.752055] RAID1 conf printout:
[22249.752063]  --- wd:1 rd:2
[22249.752067]  disk 0, wo:0, o:1, dev:sda1