19.5. 启用定期块丢弃

流程

• 启用并启动 systemd 计时器：

  # systemctl enable --now fstrim.timer
  Created symlink /etc/systemd/system/timers.target.wants/fstrim.timer  /usr/lib/systemd/system/fstrim.timer.

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验证

• 验证计时器的状态：

  # systemctl status fstrim.timer
  fstrim.timer - Discard unused blocks once a week
     Loaded: loaded (/usr/lib/systemd/system/fstrim.timer; enabled; vendor preset: disabled)
     Active: active (waiting) since Wed 2023-05-17 13:24:41 CEST; 3min 15s ago
    Trigger: Mon 2023-05-22 01:20:46 CEST; 4 days left
       Docs: man:fstrim
  
  May 17 13:24:41 localhost.localdomain systemd[1]: Started Discard unused blocks once a week.

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