On 12/18/2013 01:32 PM, Chris Murphy
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.
Seems like a workaround was posted yesterday? So since I am still
waiting for the drive to show up on my porch...
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.
And what is TRIM and fstrim?
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