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List:       linux-lvm
Subject:    Re: [linux-lvm] raid0 and discard/trim - current state?
From:       Mike Snitzer <snitzer () gmail ! com>
Date:       2010-10-12 20:57:39
Message-ID: AANLkTinB+uM2oiW496U4Cu51pHPiW=ATvnG099GWf=-K () mail ! gmail ! com
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On Sat, Oct 9, 2010 at 2:34 PM, DagB <dag@bakke.com> wrote:
> On 10/09/2010 07:21 PM, DagB wrote:
> > Hi.
> > 
> > I wonder about the current state of affairs regarding striping over
> > multiple SSDs.
> > 
> > Found this thread:
> > http://marc.info/?t=126787186000002&r=1&w=2
> > 
> > but nothing after that. Was this problem to hard to handle?
> > 
> 
> Bad form to reply to self.
> 
> More googling finally turned up this commit:
> 
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=8357422d4bf33bc2c35884d4016c3fc9efbbc1d2
> 

To be clear: DM's striped target does support discards.  MD's raid0
(or any MD raid level) does not.

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