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Re: SSD optimization on Debian (2014)



Henrique de Moraes Holschuh:
> On Wed, 09 Jul 2014, Jochen Spieker wrote:
>>>   * The "discard" options is not needed if your SSD has enough
>>>     overprovisioning (spare space) or you leave (unpartitioned) free
>>>     space on the SSD.
>>>     See http://www.spinics.net/lists/raid/msg40866.html
>> 
>> AFAIU, this discussion only relates to "online trim" (using the
>> "discard" mount option). Running an occasional fstrim on your
>> filesystems is almost free and, apart from RAID issues, I don't see any
>> negative consequences. Am I missing something?
> 
> Yes.  Broken TRIM implementations, and with a recent kernel, broken QUEUED
> TRIM implementations.

Are you referring to this?

http://forum.crucial.com/t5/Solid-State-Drives-SSD/M500-M5x0-QUEUED-TRIM-data-corruption-alert-mostly-for-Linux/td-p/151028

I am a little surprised that I didn't read about that earlier. But then
I don't have any Crucial SSDs.

J.
-- 
I often blame my shortcomings on my upbringing.
[Agree]   [Disagree]
                 <http://www.slowlydownward.com/NODATA/data_enter2.html>

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