From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.11.6/8.11.6) with ESMTP id j317C4O17055 for ; Fri, 1 Apr 2005 02:12:04 -0500 Message-ID: <424CF437.1050607@cs.wisc.edu> Date: Fri, 01 Apr 2005 01:11:51 -0600 From: Vivek Shrivastava MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [linux-lvm] Relationship between Device Mapper and LVM2 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: dm@uk.sistina.com, linux-LVM@sistina.com Dear Sir, We are trying to do some work on LVM2, by trying to make it more dynamic and suitable for virtual machines. We have a very fundamental doubt as follows: Is LVM2 based on top of "device mapper" and uses "device mapper" as the underlying layer of support for writing /reading on the disk. Or Device mapper is placed between the kernel and the LVM2. Aslo if possible please tell us the entry point of kernel into the device mapper. Any suggestions on this topic will be highly appreciated. Thanks, Vivek