Date: Thu, 9 Dec 2010 16:44:52 -0800 From: Jeremy Chadwick <freebsd@jdc.parodius.com> To: Julian Elischer <julian@freebsd.org> Cc: Kirk McKusick <mckusick@mckusick.com>, pjd@freebsd.org, freebsd-fs@freebsd.org, Oliver Fromme <olli@lurza.secnetix.de> Subject: Re: TRIM support for UFS? Message-ID: <20101210004452.GA15765@icarus.home.lan> In-Reply-To: <4D01731C.4070802@freebsd.org> References: <20101208225352.GK33073@deviant.kiev.zoral.com.ua> <201012082356.oB8NuxwX040914@chez.mckusick.com> <20101209103411.GL33073@deviant.kiev.zoral.com.ua> <4D01731C.4070802@freebsd.org>
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On Thu, Dec 09, 2010 at 04:23:56PM -0800, Julian Elischer wrote: > On 12/9/10 2:34 AM, Kostik Belousov wrote: > > [patch] > > commit when ready.. I'm looking forwards to being able to try it out. And how does one actually verify TRIM is working? Most SSDs I've used do not have a SMART attribute that can help determine this. I would rather not make a bunch of assumptions about Attributes 226, 232, or 233 to help give some indication of it working. For folks to test this, there needs to be some indicator/verification mechanism that it's working. -- | Jeremy Chadwick jdc@parodius.com | | Parodius Networking http://www.parodius.com/ | | UNIX Systems Administrator Mountain View, CA, USA | | Making life hard for others since 1977. PGP: 4BD6C0CB |
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