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SSDs: Noch was zum TRIM-Support (war: Fwd: Re: TRIM support)



Hallo!

Das erklärt es IMHO ganz nett.

Ciao,
Martin

----------  Weitergeleitete Nachricht  ----------

Subject: Re: TRIM support
Date: Sonntag, 10. Juli 2011
From: Chris Samuel <[...]>
To: linux-btrfs@vger OT kernel SCHLUMPF org

On Sun, 3 Jul 2011 05:45:17 AM Calvin Walton wrote:

> The discard option is not currently automatically enabled; I think
> there may have been some performance issues in certain cases with
> drives that have slow trim implementations. But feel free to give
> it a try.

This LWN article from 2009 explains why it can be problematic
(especially on SATA drives where TRIM is a non-queued command):

https://lwn.net/Articles/347511/

cheers,
Chris
-- 
 Chris Samuel  :  http://www.csamuel.org/  :  Melbourne, VIC
[...]
-------------------------------------------------------

-- 
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA  B82F 991B EAAC A599 84C7


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