From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx1.redhat.com (mx1.redhat.com [172.16.48.31]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id iA1Fcqr12570 for ; Mon, 1 Nov 2004 10:38:52 -0500 Received: from nexredback-216-168-119-94.nexicom.net (nexredback-216-168-119-94.nexicom.net [216.168.119.94]) by mx1.redhat.com (8.12.11/8.12.11) with SMTP id iA1FcjhO001504 for ; Mon, 1 Nov 2004 10:38:51 -0500 Message-ID: <41865881.6060107@mikebabcock.ca> Date: Mon, 01 Nov 2004 10:38:41 -0500 From: "Michael T. Babcock" Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: Re: [linux-lvm] Software raid on top of lvm logical volume References: <41801ADE.6030308@monjoin.net> <20041028011738.GD13737@kluge.net> <41814060.4040400@mikebabcock.ca> <41851771.4060203@markus.org> In-Reply-To: <41851771.4060203@markus.org> 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="us-ascii"; format="flowed" To: LVM general discussion and development Markus Baertschi wrote: > You can make life easier by creating several raid arrays on the same > disks and tie them together with LVM. > For example split your three 160GB drives into 4 partitions each and > create a raid over the three disks. > > sda -> sda1+sda2+sda3+sda4, etc. > md0 = sda1+sdb1+sdc1, md1=sda2+sdb2+sdc2, etc. And how exactly does that allow me to easily change how much RAID-0 or RAID-5 storage I have? If I need more RAID-5 storage and I want to steal it from RAID-0 space, I need to dissassemble LVM, then software RAID, then repartition, then rebuild RAID, then restore LVM. -- Michael T. Babcock http://mikebabcock.ca