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From: Jolly Roger <jollyroger@pobox.com>
Newsgroups: comp.sys.mac.system
Subject: Re: SSD speed on 2009 Mac Book Pro
Date: 29 May 2014 21:24:33 GMT
Organization: People for the Ethical Treatment of Pirates
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On 2014-05-29, Your Name <YourName@YourISP.com> wrote:
> In article <538791d7$0$47879$c3e8da3$5d8fb80f@news.astraweb.com>, JF
> Mezei <jfmezei.spamnot@vaxination.ca> wrote:
>> 
>> Separate question on same subject:
>> 
>> If I buy an non-Aople SSD for my laptop and plug it in. Does OS-X
>> automatically behave any differently with regards to type of activity it
>> does on the disk ? (for instance, defragmenting the drive results in a
>> lot of writes).
>> 
>> If there needs to be some different handling of an SSD drive, what are
>> the commands to tell OS-X that the new drive should be handled as an SSD ?
>
> If you mean an internal SSD, then the drive will work like any other
> type of drive ... except that the Trim* function doesn't work with
> third-party drives, so you need to use an extra piece of software like
> Trim Enabler or similar.
>
> This might be the cause of the problems of the original poster as well.
>
> * The ATA interface standard's TRIM command helps SSDs write faster
>   and live longer.

Meh. That blanket statement doesn't apply equally to all SSDs. Some SSDs
don't benefit from TRIM:

<http://blog.macsales.com/21641-with-an-owc-ssd-theres-no-need-for-trim>

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JR