Yosemite SSD Trim Workaround ?

Discussion in 'OS X Yosemite (10.10)' started by daveg999, Dec 7, 2014.

  1. daveg999 macrumors newbie

    Nov 5, 2013
    Ok - so you can't get Yosemite to automatically recognise the 3rd part drive. What would be the situation regarding periodic maintenance if you created a OS X Bootable USB for either Yosemite or a previous OS X version which had TRIM enabled. Could you not boot of that say once a month and leave it to tidy up the SSD ?

    Not tried it - frankly not sure how to prove it was working. Just an idea.

    If the concept works someone should try and create a boot image for a TRIM enabled OS X.

  2. Weaselboy Moderator


    Staff Member

    Jan 23, 2005
    TRIM won't work over USB, but if you use Thunderbolt or eSATA for an external, or even another internal drive.... yes you could do that.

    Just boot from the external drive then mount the Yosemite drive and run the command fsck -fy from single user mode and that would TRIM all unused blocks on the drive.

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