smartctl

smartctl /dev/ada0 --all |grep "Sector Size"
smartctl /dev/ada0 --all | grep Total_LBAs_Written

https://www.virten.net/2016/12/ssd-total-bytes-written-calculator/

smartctl -l scterc /dev/sdx

https://raid.wiki.kernel.org/index.php/Timeout_Mismatch
https://raid.wiki.kernel.org/index.php/Hardware_issues#TLER_and_SCT.2FE…
https://raid.wiki.kernel.org/index.php/Why_RAID%3F

verificar o progresso dum teste:
watch smartctl --capabilities /dev/sd(x)
errado!
devemos voltar a executar o comando:
smartctl -t long /dev/sd(x)

realizar um teste longo em background mode:
smartctl -t long /dev/sd(x)