The specific drive is “disk3” in my example, we verify that disk3 matches the external drive by comparing to the output of this command: This may take a moment to complete, I recommend expanding the window to full screen for easier reading.Įach output line represents a file system that has been trimmed on today’s date, here is an example line: 07:16:07.556498-0700 0x2b2d Default 0x0 0 0 kernel: (apfs) spaceman_trim_free_blocks:3371: disk3 scan took 0.000614 s, trims took 0.000000 s `log show -start $(date +%F) | grep -i spaceman_trim_free_blocks` We can check to verify Trim is running on a drive by performing the following: `sudo trimforce -disable` Verifying Trim on macOSĪpple macOS does not have a function to manually run a Trim command, instead it is run when a supported drive and supported file system is detected by the operating system. Trim can be disabled with the following command: Fail to fully remove Trim Enabler 4.1.2 on your Mac Come across troubles when uninstalling Trim Enabler 4.1.2 Take it easy and we will guide you through. With today’s OS X 10.10.4 update, however, Apple has added a command line utility that can be used to enable TRIM on third-party SSDs without having to download and install anything. This requires administrative permissions to run and you will need to enter your password to continue.Ī long warning will be presented, please read this fully. As your SSD fills up over time, enabling TRIM can speed up the write process.
Earlier versions of OS X can use a third-party TRIM enabler utility to do the same.
#Os x trim enabler mac os x#
module of MAC Lion (till 10.7.4 but not on 10.7.5)in order to enable the TRIM. Apple added a command called trimforce in Mac OS X 10.10.4, allowing Mac owners using third-party SSDs to enable TRIM. But thanks to Apple opening up access to their drivers and providing us with a kext. Oskar 'Cindori' Groth developed an app called TRIM Enabler.
#Os x trim enabler how to#
Older TRIM enablers required Terminal usage, and knowledge on how to use it. Open a terminal (Finder > Go > Utilities > Terminal) and enter the following command: Apple has restricted the TRIM function only to the Apple identified SSDs. Trim Enabler 3.3 and older worked by modifying a system driver. Non-Apple SSDs don't get the TRIM goodness within OS X Lion. Apple macOS runs Trim when the file system is detected by the operating system, this is either on device connection or system restart, Apple does not provide a manual Trim tool like with Windows or Linux. Advanced users can also enable Trim for USB connected SSDs with Apple APFS formatted partitions. Apple macOS enables Trim for internal Apple SSDs only. SSD optimization tool on Mac OSX and TRIM enabler, you can change hibernate mode and sleep image, set NOATIME.
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