TRIM Support: Difference between revisions
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(Created page with "=ext4= TRIM support is available on ext4. It is activated by adding discard to the list of mount options. So in /etc/fstab it says something like: <pre> /dev/sdx1 /some...") |
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/dev/sdx1 /somewhere ext4 defaults,discard 1 1 | /dev/sdx1 /somewhere ext4 defaults,discard 1 1 | ||
</pre> | </pre> | ||
You can also discard the unused blocks manually by using: | |||
<pre> | |||
fstrim -v /somewhere | |||
</pre> | |||
The resulting amount of space trimmed may not be the same as the actual space freed on the disk | |||
<pre> | |||
/: 3 GiB (3267461120 bytes) trimmed | |||
</pre> | |||
=ntfs on windows= | |||
TRIM support is available on ntfs and refs. You can check if it's active by using the following command: | |||
<pre> | |||
fsutil behavior query disabledeletenotify | |||
</pre> | |||
The response will be like this: | |||
<pre> | |||
NTFS DisableDeleteNotify = 0 (Disabled) | |||
ReFS DisableDeleteNotify = 0 (Disabled) | |||
</pre> | |||
A value of 0 means that it's not disabled, so that TRIM support is active. | |||
Revision as of 12:45, 2 September 2022
ext4
TRIM support is available on ext4. It is activated by adding discard to the list of mount options. So in /etc/fstab it says something like:
/dev/sdx1 /somewhere ext4 defaults,discard 1 1
You can also discard the unused blocks manually by using:
fstrim -v /somewhere
The resulting amount of space trimmed may not be the same as the actual space freed on the disk
/: 3 GiB (3267461120 bytes) trimmed
ntfs on windows
TRIM support is available on ntfs and refs. You can check if it's active by using the following command:
fsutil behavior query disabledeletenotify
The response will be like this:
NTFS DisableDeleteNotify = 0 (Disabled) ReFS DisableDeleteNotify = 0 (Disabled)
A value of 0 means that it's not disabled, so that TRIM support is active.