Public bug reported:
When I was running disco, fstrim.service would trim all of my
partitions:
Oct 21 00:00:18 computer systemd[1]: Starting Discard unused blocks on
filesystems from /etc/fstab...
Oct 21 00:00:37 computer fstrim[9588]: /home: 25 GiB (26797150208 bytes)
trimmed on /dev/mapper/ubuntu--vg-home
Oct 21 00:00:37 computer fstrim[9588]: /boot: 805.4 MiB (844546048 bytes)
trimmed on /dev/sda5
Oct 21 00:00:37 computer fstrim[9588]: /: 5.5 GiB (5929816064 bytes) trimmed on
/dev/mapper/ubuntu--vg-root
Oct 21 00:00:37 computer systemd[1]: fstrim.service: Succeeded.
Oct 21 00:00:37 computer systemd[1]: Started Discard unused blocks on
filesystems from /etc/fstab.
After upgrading to eoan, my /home partition is no longer trimmed:
Oct 28 00:00:21 computer systemd[1]: Starting Discard unused blocks on
filesystems from /etc/fstab...
Oct 28 00:00:32 computer fstrim[24667]: /boot: 781.1 MiB (819011584 bytes)
trimmed on /dev/sda5
Oct 28 00:00:32 computer fstrim[24667]: /: 7.2 GiB (7696994304 bytes) trimmed
on /dev/mapper/ubuntu--vg-root
Oct 28 00:00:32 computer systemd[1]: fstrim.service: Succeeded.
Oct 28 00:00:32 computer systemd[1]: Started Discard unused blocks on
filesystems from /etc/fstab.
Checking the unit file (/lib/systemd/system/fstrim.service), I noticed
there is a "ProtectHome=yes" option. Removing this option caused my
/home partition to be trimmed once again.
I believe the "ProtectSystem=strict" option may also cause partitions in
non-standard partition schemes to be skipped by fstrim.service (although
I have not tested this).
** Affects: util-linux (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1858152
Title:
fstrim.service no longer trims /home partition
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