From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Subject: Re: Best way (only?) to setup SSD's for using TRIM Date: Thu, 01 Nov 2012 16:01:44 +0100 Message-ID: <20121101150144.6BA1D2005D0@gemini.denx.de> References: <508D808A.7040100@curtronics.com> <508FA2C6.2050800@hesbynett.no> <508FE44A.3040507@curtronics.com> <508FF85F.1030308@hesbynett.no> <5090E239.9040302@hesbynett.no> <50916132.3010405@curtronics.com> <50918432.906@hesbynett.no> <5091D63E.1080007@curtronics.com> <50922FA4.7070702@hesbynett.no> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: In-reply-to: <50922FA4.7070702@hesbynett.no> Sender: linux-raid-owner@vger.kernel.org To: David Brown Cc: Curtis J Blank , "linux-raid@vger.kernel.org" List-Id: linux-raid.ids Dear David, In message <50922FA4.7070702@hesbynett.no> you wrote: > > If you make your big raid1 pair an LVM physical volume, you can split it > into logical volumes as and when you want, and re-size them whenever > necessary. Note, however, that the unpartitioned space within the LVM > physical volume is still "used" as far as the SSD is concerned, since > the initial raid1 synchronisation has written to it. So only space What if the creation of the array was done with "--assume-clean" ? Best regards, Wolfgang Denk -- DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd@denx.de Common sense and a sense of humor are the same thing, moving at different speeds. A sense of humor is just common sense, dancing. - Clive James