![]() ![]() If you don't regularly trim deleted sectors on an SSD, a “write amplification” effect can cause your device to wear out faster than it normally would. sudo swapoff -a sudo swapon -a -discardonce. ![]() You can also do a one-time trim from command line by disabling swap and enabling it again with discardonce: Code: Select all. If you got a result of one (1), TRIM is disabled. To only trim once at mount time use discardonce instead. If the DisableDeleteNotify value is zero (0), it means that TRIM is enabled. In the past I have always defragged my hard drive but I understand that I should not optimize/defrag the SSD - that. (In normal operation, this may not happen immediately Ubuntu Linux likes to trim all online filesystems once per week.) To see whether or not your SSD has TRIM enabled, open the Command Prompt with administrator privileges and run the following command: fsutil behavior query DisableDeleteNotify. I have a new Dell desktop PC with WIN 10. The instruction seems to work and after a couple of confirmations and warnings the system rebooted, but it didnt show any improvement. if fsutil may be used to really disable TRIM the message should. I tried to turn it off: sudo trimforce disable. if we see TRIM status for simpler/cheaper SATA SSDs, we may expect for NVMe SSDs too. But with storage devices based on flash memory, such as SSDs, it is critical that the Trim or Discard command be called for every discarded sector after files are deleted. I read here and there that the startup slownesses in high sierra are linked to the TRIM option being on. Trim is a relatively new feature in storage device interfaces whereby the host (the computer) can tell the storage device “these sectors contain discarded data they can be recycled.” Under most circumstances, a magnetic hard drive does not need to know this information, and any hard drive supporting Trim might simply ignore the command. RPi4 external USB3 SSD Enable and Check Trim 1) Use lsusb command to list the VID/PID of your USB3 SSD 2) add a rule file to /etc/udev/rules.d/ with. ![]() The product page for this line of SSDs on Amazon says clearly that it supports Linux and it supports the Trim function, but I had a problem with that, out of the box. Last week I bought a Sabrent Rocket Pro USB-connected SSD storage device. ![]()
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