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Does Ubuntu support TRIM SSD?

The real reason Ubuntu doesn’t TRIM SSDs by default is because the Linux kernel’s implementation of TRIM is slow and results in poor performance in normal use. Linux supports this when file systems are mounted with the “discard” option.

Does my SSD support Trim Linux?

SSD TRIM commands are only supported on Linux distributions using the 2.6. 33 kernel or later versions.

Is TRIM enabled in Ubuntu?

If Ubuntu is not installed in the first partition of the SSD, change “ sda ” to reflect the partition where Ubuntu is residing. Scroll down further and if you see something like “Data Set Management TRIM supported (limit 4 blocks)“, then TRIM is supported for your SSD.

How enable TRIM on SSD Linux?

Trimming your SSD can also be accomplished manually on the command line or in a cron job. As a super user (using su or sudo), run fstrim / -v to accomplish manual trimming, or set up a cron job to run this command for you on a regular basis when your computer is not in use.

How do I enable TRIM support in Linux?

How to Enable TRIM on SSD in Ubuntu Linux

  1. Check out if you have an SSD: cat /sys/block/sda/queue/rotational. If you got 0 it’s a SSD.
  2. Even if you have an SSD not all of them support TRIM.
  3. Next run: sudo fstrim -v /
  4. If everything went OK it’s time to make a CRON job so fstrim run’s once a day.

How do you check if SSD TRIM is enabled Linux?

Ubuntu/Linux Check SSD trim status (And to Enable/Disable the…

  1. Check trim Timer/Schedule status. # systemctl status fstrim.timer Ubuntu – systemctl status fstrim.timer.
  2. Check Trim status. # systemctl status fstrim Ubuntu – systemctl status fstrim.
  3. Bonus.
  4. References.

How do I know if TRIM is enabled Ubuntu?


Trim is something that was never required for HDDs, so it was a new command that was defined once SSDs became prevalent. The command is required because of one of those awkward encumbrances that NAND users must accommodate: Erase before write.


Benefits of using TRIM SSD TRIM facilitates important benefits in the areas of performance and drive longevity. Using the TRIM command reduces the amount of data an SSD needs to move during the garbage collection process and reduces the amount of erase cycles, enabling the drive to last longer.

How to enable TRIM on SSD in Ubuntu Linux?

Trimming enables the SSD to handle garbage collection overhead, which would otherwise significantly slow down future write operations to the involved blocks, in advance. UPDATE: Ubuntu 14.04 Trusty will have TRIM enabled by default. To get started, press Ctrl+Alt+T on keyboard to open terminal. When it opens, follow steps below:

Why is trim not enabled in Ubuntu 14.04?

Ubuntu wants to enable TRIM for SSDs by default in Ubuntu 14.04. In other words, Ubuntu isn’t already using TRIM, so your SSD is slowing down over time. But why isn’t Ubuntu already using TRIM?

What happens when you don’t use trim on SSD?

With TRIM enabled, the operating system tells the SSD each time it deletes a file. The drive can then erase the sectors containing the file’s contents, so writing to the sectors will be quick in the future. In other words, if you don’t use TRIM, your SSD will slow down over time.

Is there a way to trim file system in Ubuntu?

Android simply runs a fstrim task occasionally to TRIM the file system, fixing the problem that slowed down all those original Nexus 7s. Ubuntu is also looking at enabling TRIM automatically by having the system regularly run fstrim.