From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (ext-mx05.extmail.prod.ext.phx2.redhat.com [10.5.110.29]) by smtp.corp.redhat.com (Postfix) with ESMTPS id E6AE12010CC7 for ; Thu, 19 Jul 2018 11:33:33 +0000 (UTC) Received: from egamorf.bogon.ca (egamorf.bogon.ca [149.56.143.12]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id AA5F53DE3D for ; Thu, 19 Jul 2018 11:33:21 +0000 (UTC) Received: from atlas.bogon.ca ([2001:470:b358:0:2c9d:79ff:fe07:eeb0]) by egamorf.bogon.ca with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.89) (envelope-from ) id 1fg7BQ-000759-IG for linux-lvm@redhat.com; Thu, 19 Jul 2018 11:33:20 +0000 Received: from doug by atlas.bogon.ca with local (Exim 4.90_1) (envelope-from ) id 1fg7BP-0004Nd-1Y for linux-lvm@redhat.com; Thu, 19 Jul 2018 07:33:19 -0400 Date: Thu, 19 Jul 2018 07:33:18 -0400 From: Douglas Paul Message-ID: <20180719113318.GG12563@bogon.ca> References: <3ec4e4af-8109-ca19-2a57-8e8cf6d67737@gmail.com> <20180718141506.GD12563@bogon.ca> <80dbc3e4-3f7e-ba5d-7f0b-00b809098538@gmail.com> MIME-Version: 1.0 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <80dbc3e4-3f7e-ba5d-7f0b-00b809098538@gmail.com> Subject: Re: [linux-lvm] Got only half the space of RAID10 LV with 4 PVs (similar to RAID1 cause LV shows it has 4 'Mirrored volumes') Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="utf-8" To: LVM general discussion and development [ Reposting to list for completeness --- the servers seem sick and are delaying posts by up to 16h ! ] On Wed, Jul 18, 2018 at 10:41:14PM +0800, runappz wrote: > Thank you for clarifying it sir. Then� for `-l 8` I expect all > `lvolX_rimage_N`s has 4 extents rather than 8: > > ����� --- Segments --- > ����� Logical extents 0 to 7: > ������� Type������� raid10 > ������� Monitoring������� monitored > ������� Raid Data LV 0 > ��������� Logical volume��� lvol5_rimage_0 > ��������� Logical extents��� 0 to 7 > ������� Raid Data LV 1 > ��������� Logical volume��� lvol5_rimage_1 > ��������� Logical extents��� 0 to 7 > ����� ... I believe that those are the logical extents that are involved in those stripes. All of the logical extents will store some data in each of the slices. Try "lvs -a" to see the actual space on disk used by each of the segments. -- Douglas Paul