Execute ‘sudo trimforce enable’ to keep your SSD healthy
According to Ars Technica, Apple’s release of OS X 10.10.4 not only brought us much needed stability updates via the removal of the system process ‘Discoveryd’, it finally gave us a simple command line to enable TRIM# support for systems using 3rd party SSDs.
Previously OS X only allowed TRIM support on OEM drives, so those of us with older system that upgraded to a Solid State Drive later were doomed to eventually see that speedy drive slow down and possibly become corrupted over time.
Enabling TRIM support is extremely simple:
- Always back up when making any changes to your system’s hardware configuration
- Open Spotlight (the magnifying glass in the upper right corner), type ‘Terminal’, press Enter
- Copy and Paste the following command: sudo trimforce enable
- Choose ‘Yes’ for all prompts, and your system will reboot shortly
You can verify that TRIM Support is now running by opening the system report and seeing for yourself. Click > About This Mac > System Report > SATA/SATA Express
That’s it! Pretty simple process for enabling something so important.
Also, I should note that if you’re a super power user like me and you’ve installed two SSDs in your MacBook Pro and setup up a striped RAID, TRIM will work as expected and keep your RAID running smoothly.
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