_ [comp] SSD崩壊?

ata9.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata9.00: BMDMA stat 0x65
ata9.00: failed command: READ DMA
ata9.00: cmd c8/00:08:78:09:00/00:00:00:00:00/e0 tag 0 dma 4096 in
         res 51/40:08:78:09:00/00:00:00:00:00/e0 Emask 0x9 (media error)
ata9.00: status: { DRDY ERR }
ata9.00: error: { UNC }
ata9.00: configured for UDMA/133
ata9.01: configured for UDMA/100
sd 8:0:0:0: [sdb] Unhandled sense code
sd 8:0:0:0: [sdb]  
Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 8:0:0:0: [sdb]  
Sense Key : Medium Error [current] [descriptor]
Descriptor sense data with sense descriptors (in hex):
        72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00 
        00 00 09 78 
sd 8:0:0:0: [sdb]  
Add. Sense: Unrecovered read error - auto reallocate failed
sd 8:0:0:0: [sdb] CDB: 
Read(10): 28 00 00 00 09 78 00 00 08 00
end_request: I/O error, dev sdb, sector 2424
Buffer I/O error on device sdb1, logical block 47
ata9: EH complete

どうやら壊れたっぽい。1年ちょいしか持たなかったか…。データの退避先は 5年近く経ってるので、これもいつ壊れるかわからない。買い換えないと。