SSD - alandrade21/docsCompartilhados GitHub Wiki

Os SSDs devem ser formatados com o sistema de arquivos f2fs, que é desenhado para tirar vantagem das características do SSD, pra isso instala o pacote f2fs-tools.

No arquivo /etc/fstab, o SSD deve ser montado com a opção noatime.

Install sysfsutils.

echo "block/sdX/queue/scheduler = deadline" >> /etc/sysfs.conf

Verifica se o sistema reconheceu SSD

for f in /sys/block/sd?/queue/rotational; do printf "$f is "; cat $f; done

O resultado será algo como:

/sys/block/sda/queue/rotational is 1
/sys/block/sdb/queue/rotational is 1
/sys/block/sdc/queue/rotational is 0   <=== Only this is SSD!
  • Verifica sucesso do deadline
for f in /sys/block/sd?/queue/scheduler; do printf "$f is "; cat $f; done

O resultado será algo como:

/sys/block/sda/queue/scheduler is noop deadline [cfq]
/sys/block/sdb/queue/scheduler is noop deadline [cfq]
/sys/block/sdc/queue/scheduler is noop [deadline] cfq  <== That is!
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