On Dec 18, 2013, at 6:03 AM, Robert Moskowitz <r...@htt-consult.com> wrote:
>
> On 12/18/2013 04:41 AM, John Obaterspok wrote:
>> Hello,
>>
>> I'm going to setup F20 with a new SSD disk (256gb Samsung 840 PRO) and was
>> wondering about best practices for Over Provisioning during partitioning.
>
> hmmm. I just ordered a Crucial M500 256GB SSD for my new install. I thought
> I would have it all to work with (currently using a 320GB HD, so that is a
> 64GB reduction already). Are you implying here that you need to not use all
> of the SSD drive so that it has some swap around?
>
> I chose the M500 over the 840 based on price and reviews. The M500 uses MLC
> NAND compared to the 840 using TLC NAND.
FYI, be aware there appears to be a queued TRIM bug with the M500 where it may
be causing silent data corruption. I wouldn't use discard on this, or any, SSD,
in production until it's been well tested.
https://bugzilla.redhat.com/show_bug.cgi?id=1024002
Until the industry gets its act together on TRIM, I think we're probably better
off executing fstrim once a week with a cron job at a time the computer is
likely to be idle.
Chris Murphy
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