There have also been reports of some Crucial drives not functioning properly with TRIM on Linux. Thanks to your lines I had success within the first. In addititon I got some system crashes after I tried to activate TRIM using the TRIM Enabler. Search company Algolia found some data corruption bugs with certain Samsung SSDs with TRIM on Linux, and similar issues may occur if you enabled TRIM for such drives on a Mac. Thanks a lot I did not have success using Groths Trim Enabler with 2012 MacBook Pro with Mountain Lion 10.8.2 and a Samsung SSD 840 Pro 512 GB. Apple doesn’t want to be responsible for any issues, which is why OS X hides this functionality behind a command and a scary warning message.Įvery solid-state drive implements TRIM in a slightly different way, and many SSD manufacturers only truly test for compatibility on Windows. Whether this is safe to do depends on the SSD you’re using in your Mac. Starting with OS X 10.10.4, Apple now provides an official - but unsupported - way of enabling TRIM for any SSD. It was now necessary to disable the kext signing security mechanism to enable TRIM for these drives, reducing a Mac’s security. As TRIM-enabling utilities worked at this low level, this locked them out. This checks that all the drivers on a Mac are either unaltered or approved by Apple. In OS X 10.10 Yosemite, Apple introduced “kext signing” - Kernel extension signing. Users who installed their own SSDs had to hunt down third-party tools that enabled TRIM in an unsupported way. Historically, Mac OS X has only enabled TRIM for the solid-state drives Apple provides. Windows 7 and newer have had built-in support for TRIM, which they enable for all SSDs.
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