From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lutz Vieweg <lvml@5t9.de>
Subject: Re: Software RAID and TRIM
Date: Wed, 20 Jul 2011 12:39:58 +0200
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On 07/19/2011 05:06 PM, David Brown wrote:
> It certainly sounds like a safe procedure, but I can see why you feel it's not quite as elegant as
> it could be. You will also be "discarding" blocks that have never been written (at least, not since
> the last discard...) - is there much overhead in that?

Luckily the SSDs we use do not require significant time to process a discard
on areas that were already free - e.g. discarding ~ 250G of SSD space that is
already empty this way takes only ~ 10 seconds.

Regards,

Lutz Vieweg