22.4. 启用定期块丢弃
您可以启用 systemd 计时器来定期丢弃所有支持的文件系统上未使用的块。
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.
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.
