trimforce must be run by the system administrator. Use extreme caution when enabling TRIM, as some drives may not correctly handle the commands. By default, TRIM commands are not sent to third-party drives. ![]() We hope this information helps you decide what is best for you. trimforce enables sending TRIM commands to third-party drives attached to an AHCI controller. If you are more of a power user who does picture and video editing or other tasks that require a lot of writes, enabling Trim might be more useful to you, because constantly writing workloads do not always allow for regular maintenance from garbage collection. The operating system barks back a long and potentially scary message about how using trimforce may cause 'unintended data. OS X 10.10.4's new 'trimforce' command is entered through the Terminal: sudo trimforce enable. At most, all it can do is make that same drive system level call that trimforce is already making. While kext signing is still Yosemite's law of the land, 10.10.4 introduces a new 'trimforce' command that enables trim on SSDs. Using a third party tool such as 'Disk Sensei' would probably NOT add anything to that process. If you are a casual user sho uses your system for Internet, email, and other light tasks, garbage collection built into the firmware of Crucial SSDs will probably be plenty to keep your SSD running fast and healthily. trimforce probably makes a drive system level call, to enable TRIM on the drive. Are they up to something with 'disabling system security on El Cap'. It is even better than using the new built in trimforce command, since that requires 10.10.4 and may require disabling system security on El Cap. The internal garbage collection algorithms on Crucial SSDs manage deleted data quite effectively. The question of enabling Trim really has to be answered by the user. This is the easiest and safest way to enable Trim on OS X. While Trim is generally good for helping to manage SSD performance and wear in most desktop and notebook environments, it is important to note that Trim is not critical and the improvement may only be marginal. Please refer to support for your OS for details on using Terminal to enable trimforce. We have had users report that activating Trim using the trimforce command increases system boot times by about 10 seconds, though speeds during all other system use appears to be as fast as without Trim. If you decide to enable Trim using the trimforce terminal command, it is suggested you back up your data first. According to Apple®, enabling Trim using the trimforce terminal command is done completely at the user’s risk. We’ve enabled it on a pair of older Macs in the Orbiting HQ with aftermarket SSDs in them, and so far we’ve had no issues-giant scary warning notwithstanding.As of OS X version 10.10.4, the trimforce command is available in Terminal to enable Trim without the use of third-party software. ![]() Called trimforce, the utility can be executed from the OS X terminal, and it requires a reboot to start working. I got rid of Trim Enabler back with Yosemite, after Apple released the trimforce command. ![]() 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. If you took a Mac that originally came with a spinning disk and installed an aftermarket SSD in it yourself, the operating system wouldn’t use TRIM on the disk-at least, not unless you resorted to third-party tools. The scary warnings about trimforce are likely in place because not every disk implements TRIM in the same way, and older SSDs might behave oddly or in ways that OS X doesn’t expect when told to. The lone exception to that list has been Apple’s OS X, which-at least until today-only supported TRIM on its OEM SSDs. Thanks to you all for the help in testing Chameleon on Yosemite 10.10.3 and for your support, I really appreciated it Chameleon is an optimization tool for Solid State Drive on Mac OS X system. Also I turned-off Trim (which I had previously set with: sudo trimforce enable etc) because after checking the manufacturers specs for the SSD I discovered it has its own trim and garbage-collection routines built in. Trim Enabler 4 The 1 SSD performance utility for Mac Enable Trim, monitor your disk health, optimize your performance. Pretty much every operating system in use these days supports TRIM-a special ATA command that the OS sends along to an SSD when deleting files on that SSD. Hello This happened to me so I re-installed and used the script to force HFS instead. Further Reading Ask Ars: “My SSD does garbage collection, so I don’t need TRIM… right?”
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