And you don’t need TRIM for garbage collection to work-but TRIM makes an SSD’s garbage collection more efficient." "TRIM doesn’t obviate the need for garbage collection-it works with garbage collection to more properly mark pages as stale. System_profiler SPSerialATADataType | grep 'TRIM'Īll new SSD will perform well, it is over time when allocated blocks and pages become used, you start to see a loss of performance. Trimforce status from terminal copy & paste: This helps ensure that all storage cells are aged uniformly and maximum lifetime achieved. The SSD doesn’t need to immediately delete or garbage collect these locations it just marks them as no longer valid. This results in a reduction of the number of erase cycles on the flash memory and enables higher performance during writes. The advantage of the TRIM command is that it enables the SSD’s GC (garbage collection) to skip the invalid data rather than moving it, thus saving time not rewriting the invalid data. Safe Mode does a Disk Repair and honors this trimforce command, effectively removing all the old deleted data. TRIM will release deleted blocks, It is recommended once enabled do a restart into SafeBoot Mode (hold the Shift key.) What you don't want to do is turn it on and then change your mind a turn it off, which can lead to data corruption. You will have to do your own research and make your own decision on the issue-ultimately it is your loss or gain.ĭefinitely I would have a up to date backup plan. It is good to come to your own conclusion.
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