Enabling TRIM on a DIY Fusion drive

Discussion in 'Mac Pro' started by Angelus, Feb 19, 2014.

  1. Angelus macrumors 6502

    Joined:
    Apr 19, 2002
    Location:
    New Zealand
    #1
    Thought I'd start a thread as I haven't been able to answer my question using search.
    I have a 4,1 Mac Pro flashed to 5,1. It has a 250 GB Samsung 840 SSD and 3 TB Seagate HDD which have been turned into a 3.25GB DIY Fusion drive.
    At this stage with a full Mavericks install, is it A) necessary to activate TRIM and B) safe to turn it on with a DIY Fusion drive?
     
  2. GP-SE macrumors 6502

    Joined:
    Feb 27, 2013
    #2
  3. NOTNlCE macrumors 6502a

    NOTNlCE

    Joined:
    Oct 11, 2013
    Location:
    DMV Area
    #3
    Not necessary at all, and definitely safe. Currently running the 1.12TB version with an 840 EVO and a Hitachi 1TB with TRIM enabled. Don't notice much of a difference with TRIM vs without TRIM, but just in case. That terminal command will do it for sure, just takes a reboot.
     
  4. Angelus thread starter macrumors 6502

    Joined:
    Apr 19, 2002
    Location:
    New Zealand

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