F15 ext4 discard option - why not default?

[Michał Piotrowski]

2011/3/16 Jeff Moyer <jmoyer at redhat.com>:
> Michał Piotrowski <mkkp4x4 at gmail.com> writes:
>
>> W dniu 16 marca 2011 18:55 użytkownik Ric Wheeler <rwheeler at redhat.com> napisał:
>>> On 03/16/2011 01:53 PM, Michał Piotrowski wrote:
>>>>
>>>> Hi,
>>>>
>>>> I installed F15 on SSD and I noticed that file systems are not mounted
>>>> with discard option.
>>>> Shouldn't "discard" option be enabled by default for SSD devices?
>>>>
>>>
>>> No - discard is off on purpose. Some SSD's work very well, others have
>>> performance issues with discard and some even became unusable bricks.
>>>
>>> The idea is to have it off by default so people can test. Over time, if
>>> things go well, we can think about changing the default.
>>
>> Ok, thanks for your answer
>
> Out of curiosity, what SSD do you have?

ocz vertex 2

>
> Cheers,
> Jeff
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-- 
Best regards,
Michal

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