Re: discard synchronous on most SSDs?

Marc MERLIN
2014-03-14T02:12:03Z

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On Sun, Mar 09, 2014 at 11:33:50AM +0000, Hugo Mills wrote:
> discard is, except on the very latest hardware, a synchronous command
> (it's a limitation of the SATA standard), and therefore results in
> very very poor performance.

Interesting. How do I know if a given SSD will hang on discard?
Is a Samsung EVO 840 1TB SSD latest hardware enough, or not? :)

Thanks
Marc
--
"A mouse is a device used to point at the xterm you want to type in" - A.S.R.
Microsoft is to operating systems ....
.... what McDonalds is to gourmet cooking
Home page: http://marc.merlins.org/

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