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Weekly file system TRIM is now enabled
The fstrim.timer
unit is now enabled by default for new installations and upgrades. The unit weekly runs the fstrim
tool, which sends the TRIM
command to all mounted file systems that are listed in the /etc/fstab
file.
The TRIM
command informs physical and virtual storage devices about unused blocks. This has the following effects:
-
The hinting can make wear leveling and block erasure more efficient.
-
TRIM
returns free logical extents on LVM thin provisioning to the thin pool. -
TRIM
prevents the slow downs that might occur in certain flash storage devices.
For details about the TRIM
command and the fstrim
tool, see the fstrim(8)
man page.
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