articles/2023/periodic-fstrim-on-ssd-drives.html


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<h2>Periodic fstrim on SSD drives</h2>
    <h3>05-11-2023</h3>
<p>
The util-linux package provides fstrim.service and fstrim.timer systemd unit files.
</p><p>
Enabling the timer will activate the service weekly. The service executes fstrim(8) on all mounted filesystems on devices that support the discard operation.
</p><p>
The timer relies on the timestamp of /var/lib/systemd/timers/stamp-fstrim.timer (which it will create upon first invocation) to know whether a week has elapsed since it last ran.
</p><p>
Therefore there is no need to worry about too frequent invocations, in an anacron-like fashion. systemctl enable fstrim.timer
</p><p>
To query the units activity and status, see journalctl.
</p><p>
To change the periodicity of the timer or the command run, edit the provided unit files.
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<a href="https://wiki.archlinux.org/title/Solid_state_drive">https://wiki.archlinux.org/title/Solid_state_drive</a>


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