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Mac Thread, OSX and the Trim Command in Technical; Does OSX have the Trim command for SSD's yet?...
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    Dos_Box's Avatar
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    OSX and the Trim Command

    Does OSX have the Trim command for SSD's yet?

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    mac_shinobi's Avatar
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    Not that I am aware of no but am hopeful that OS X Lion. TRIM would be handy / helpful etc
    Last edited by mac_shinobi; 22nd February 2011 at 08:35 AM.

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    Have spoken to various Apple technical people about this subject it unlikely that Mac OS X will ever require the TRIM command....below is a review of ssd performance on Macs

    Mac SSD performance and TRIM in OSX | bit-tech.net

    If it does happen it's not likely to be until Mac OS X 10.7

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    Quote Originally Posted by Dos_Box View Post
    Does OS X have the TRIM command for SSDs yet?
    We may find out if Lion supports TRIM quite soon...

    http://www.apple.com/pr/library/2011/02/24macosx.html

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    SYNACK's Avatar
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    Based on all that I have read about it the Mac OSX file system does not actually need the TRIM command as it handles that without needing a hardware solution.

    As much as I hate to say it this is an area that Apple is ahead on, NTFS is quite an old filesystem which has been upgraded a bit over the years but does not seem to have kept up with some of the alternatives meaning that things like TRIM are nessisary.

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    It looks like Lion does indeed support TRIM. However, in typical Apple fashion it is only enabled for their own SSDs.

    http://www.macgeneration.com/news/vo...n-gere-le-trim
    Prise en charge de TRIM = Oui

    Both Microsoft and Apple could improve their file-systems IMO. Neither of them have anything like ZFS.

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    Someone has found a way to enable TRIM for non-Apple SSDs.

    http://www.9to5mac.com/57965/how-to-...n-macos10-6-7/

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    There's now an app for that ^

    TRIM support is coming in OS 10.7 Lion, but if you’re running Snow Leopard right now you can enable it with TRIM Enabler, which performs a little hack on your system that lets you take advantage of TRIM. (Source)

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