ata6.00: exception Emask 0x0 SAct 0x1000000 SErr 0x0 action 0x0
ata6.00: irq_stat 0x40000008
ata6.00: failed command: READ FPDMA QUEUED
ata6.00: cmd 60/08:c0:b0:3c:01/00:00:00:00:00/40 tag 24 ncq dma 4096 in
res 41/40:08:b0:3c:01/00:00:00:00:00/40 Emask 0x409 (media error) <F>
ata6.00: status: { DRDY ERR }
ata6.00: error: { UNC }
ata6.00: failed to read native max address (err_mask=0x1)
ata6.00: HPA support seems broken, skipping HPA handling
ata6.00: configured for UDMA/100
sd 5:0:0:0: [sdb] tag#24 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE
sd 5:0:0:0: [sdb] tag#24 Sense Key : Medium Error [current]
sd 5:0:0:0: [sdb] tag#24 Add. Sense: Unrecovered read error - auto reallocate failed
sd 5:0:0:0: [sdb] tag#24 CDB: Read(10) 28 00 00 01 3c b0 00 00 08 00
blk_update_request: I/O error, dev sdb, sector 81072 op 0x0:(READ) flags 0x3000 phys_seg 1 prio class 0
ata6: EH complete
EXT4-fs warning (device dm-1): htree_dirblock_to_tree:997: inode #2: lblock 0: comm ls: error -5 reading directory block
вот так диски умирают