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  1. #31
    Internal SSD..Need advice & knowledge !
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Location
    Brentwood Bay, BC, Canada
    Posts
    10,526
    New to macos so bear with me. How do I get a Recovery HD partition ?
    Also reinstalled High Sierra ...


    You just created a Recovery HD, normally invisible, partition by doing the macOS x reinstall. At least that's what would normally happen.

    You can always test by restarting and holding the option key down and see if it is an option to boot from, or just restart and hold the command + R keys down.





    - Patrick
    ======

  2. #32
    Internal SSD..Need advice & knowledge !

    Member Since
    Sep 08, 2017
    Location
    Levittown, PA
    Posts
    25
    Your Mac's Specs
    2011 15" MBP 2.2 I7 8gb ram 500gb HD OS 10.13.6
    Well what do you know...I did something right ! Learning macos very quickly from the wonderful help of the forum.
    Now, should I go for it and enable trim or leave things as they are ?
    Anyone else having issues with enabling trim on 3rd party SSD's.

  3. #33
    Internal SSD..Need advice & knowledge !
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Location
    Brentwood Bay, BC, Canada
    Posts
    10,526
    Now, should I go for it and enable trim or leave things as they are ?
    Anyone else having issues with enabling trim on 3rd party SSD's.

    I've only been involved with Trim once with my old MBPro and a SSD with El Capitan, but I just used TrimEnabler.app as mentioned earlier. It still seems to be working well.





    - Patrick
    ======

  4. #34
    Internal SSD..Need advice & knowledge !

    Member Since
    Sep 08, 2017
    Location
    Levittown, PA
    Posts
    25
    Your Mac's Specs
    2011 15" MBP 2.2 I7 8gb ram 500gb HD OS 10.13.6
    Deciding..pay for the app (Trim Enabler) or trying to enable through the terminal.
    Any forum readers have any input on this subject ?
    I just want a healthy long life SSD !
    What to do ! What to do !

  5. #35
    Internal SSD..Need advice & knowledge !
    IWT's Avatar
    Member Since
    Jan 23, 2009
    Location
    Born in Scotland, Worked in Scotland then England, Now live in Wales
    Posts
    5,001
    Your Mac's Specs
    Late 2015 5K 27-inch Retina iMac, 4GHz i7, 32GB RAM, 1TB Flash Drive, macOS High Sierra 10.13.6
    @WW4B

    I'm going out on a limb here and being controversial, which I very rarely do.

    You have achieved a very great deal since you first posted (34 posts ago). You now have a working OS, a new SSD, Recovery Partition and so forth.

    If I were you, I'd forget about TRIM for the moment, at least. I'd get to know my OS, learn new procedures, enrich my experience with the Mac - and then, maybe - after a few months, when your confidence is high, consider TRIM.

    It doesn't need to be done now. And, whilst recognising TRIM's role in SSD operations, it's not critical. For years Flash Storage Drives of all sorts, including SSDs, ran perfectly well without it.

    I'm just concerned that having got this far, you may undo the good through some mishap.

    I shall now wait to be shot down by my Forum colleagues.

    Ian
    Ian

  6. #36
    Internal SSD..Need advice & knowledge !
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Location
    Brentwood Bay, BC, Canada
    Posts
    10,526
    I shall now wait to be shot down by my Forum colleagues.

    Ian

    Well, Ian, I for one would tend to agree with you here, and very good advice I would add!!!





    - Patrick
    ======

  7. #37
    Internal SSD..Need advice & knowledge !
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Keller, Texas
    Posts
    56,993
    Your Mac's Specs
    2017 27" iMac, 10.5" iPad Pro, iPhone 6s+, iPhone 7+, Numerous iPods, Mojave
    Keep in mind that an SSD like a spinning hard drive has a limited life. I'm not convinced that TRIM extends the life of an SSD but there are others who are more knowledgeable about these sort of things who disagree with me. The one thing that I will emphasize to you is that you need to make backups often. Time Machine is free and is included with your Mac and there are also excellent backup apps such as Carbon Copy Cloner and SuperDuper. Losing data nowadays is as silly as allowing your auto to run out of fuel while driving on the interstate.

  8. #38
    Internal SSD..Need advice & knowledge !
    pm-r's Avatar
    Member Since
    Oct 16, 2010
    Location
    Brentwood Bay, BC, Canada
    Posts
    10,526
    I'm not convinced that TRIM extends the life of an SSD but there are others who are more knowledgeable about these sort of things who disagree with me.

    Here's an article that gives a pretty good answer and reason Charlie, and in a nice simple explanation that I can understand:

    The use of TRIM can improve the performance of writing data to SSDs and contribute to longer SSD life.
    ... ... ...
    The SSD TRIM command simply marks the invalid data and tells the SSD to ignore it during the garbage collection process. The SSD then has fewer pages to move during garbage collection, which reduces the total number of program/erase cycles (P/E cycles) to the NAND flash media and prolongs the life of the SSD. NAND flash wears out due to the long-term effects of the P/E cycle, so reducing the number of erases can lengthen the endurance of the SSD.
    https://searchstorage.techtarget.com/definition/TRIM


    And that reminder about having a good current backup is so critical, if there's data worth or needed to be saved.

    But the backup also needs to be checked and confirmed that it's working, is just as important, as we discovered with my cousin's backup last weekend that had quit backing up with CCC due to disk/data errors last July 3, 2018 according to the date stamp on her email.




    - Patrick
    ======

  9. #39
    Internal SSD..Need advice & knowledge !

    Member Since
    Sep 08, 2017
    Location
    Levittown, PA
    Posts
    25
    Your Mac's Specs
    2011 15" MBP 2.2 I7 8gb ram 500gb HD OS 10.13.6
    It has been an eye opening experience on the workings of macos. To be able to post a problem, issue or general knowledge question on this forum is so appreciated in the responses that are received in that they are so informative without bias criticism to the poster's ability in the workings of the mac world is refreshing. It is a very pleasant experience in posting and have all who belong to the forum either debate your issue or offer assistance. You can learn just as much, if not more, by reading the forum members replies to your posted issue(s) than at times by reading provided web pages that are often beyond the scope of understanding to the general user that are sometimes included in your replies. This is especially true for beginners in the mac world. It is the personal replies that are included with web attachments that set this forum aside from others.
    To the forum members, senior and otherwise and administrators, my hat off to you all. I have learned a lot. Remember it is the personal interaction that set you guys apart.
    Please keep up the fabulous work. I for one thank you !

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