From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tapani Tarvainen Subject: Re: Full use of varying drive sizes? Date: Tue, 22 Sep 2009 16:05:13 +0300 Message-ID: <20090922130513.GE28275@hamsu.tarvainen.info> References: <697034.10751.qm@web51302.mail.re2.yahoo.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <697034.10751.qm@web51302.mail.re2.yahoo.com> Sender: linux-raid-owner@vger.kernel.org To: Jon@eHardcastle.com Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids On Tue, Sep 22, 2009 at 04:24:23AM -0700, Jon Hardcastle (jd_hardcastle@yahoo.com) wrote: > I have an array made of many drive sizes ranging from 500GB to 1TB > But could someone tell me, did I dream that there might one day be > support to allow you to actually use that unused space in the array? You can partition the disks and raid the partitions separately. > I have 3x500GB 2x750GB 1x1TB so I have 1TB of completely unused > space! If yoy partition the 750GB disks as 500+250 and the 1TB disk as 500+250+250 you could, for example, create one 6x500GB RAID6 array and one 3x250GB RAID5 and have 250GB non-raid space, or one 6x500GB RAID6 and two 2x250GB RAID1's. -- Tapani Tarvainen