Thin LVM and badblock

Kernel reports problems with

[5528686.859719] blk_update_request: I/O error, dev sda, sector 85981696 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0

Filter out sector numbers from journal:

journalctl | grep 'dev sda, sector' | cut -d ' ' -f 12 | sort | uniq

smartctl -a /dev/sda | grep UNC
  40 51 08 b8 06 20 e5  Error: UNC 8 sectors at LBA = 0x052006b8 = 85984952
  40 51 08 b0 06 20 e5  Error: UNC 8 sectors at LBA = 0x052006b0 = 85984944
  40 51 08 a8 06 20 e5  Error: UNC 8 sectors at LBA = 0x052006a8 = 85984936
  40 51 08 a0 06 20 e5  Error: UNC 8 sectors at LBA = 0x052006a0 = 85984928
  40 51 80 80 06 20 e5  Error: UNC 128 sectors at LBA = 0x05200680 = 85984896