[OmniOS-discuss] ZFS trim support

Eric Sproul esproul at omniti.com
Sat Mar 1 15:32:25 UTC 2014


On Sat, Mar 1, 2014 at 8:46 AM, Michael Rasmussen <mir at miras.org> wrote:
> In lack of trim how do you then handle SSD's?

I just treat them as regular drives.  I've got some 600G Intel 320s
that have been in service as primary pool devices for about 2.5 years,
having over 20TB written and still the media wear indicator has barely
budged.  Here's a graph of one of them:

https://share.circonus.com/shared/graphs/ae29a8e6-167c-47e4-aea6-d96e51f8e35f/gPUfX5

Gather some data on your daily write totals and do the math, then look
at the endurance spec for your drives and you'll have an idea of what
kind of life to expect from them.

Eric


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