From mboxrd@z Thu Jan 1 00:00:00 1970 From: Luca Berra Subject: Re: [linux-lvm] Software mirror with LVM Message-ID: <20030908222828.GD19463@percy.comedia.it> References: Mime-Version: 1.0 Content-Disposition: inline In-Reply-To: Sender: linux-lvm-admin@sistina.com Errors-To: linux-lvm-admin@sistina.com Reply-To: linux-lvm@sistina.com List-Help: List-Post: List-Subscribe: , List-Unsubscribe: , List-Archive: Date: Mon Sep 8 17:29:01 2003 List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" Content-Transfer-Encoding: 7bit To: "'linux-lvm@sistina.com'" On Sat, Sep 06, 2003 at 01:20:12PM +0800, Tan, Hong King wrote: >Greetings, > >I am proposing a ML350 server with internal raid and another raid >controller(Smart Array 5302) connected to StorageWorks Enclosure 4314. > >The internal raid is configured as RAID 1 across 2 drives and the external >raid is configured as RAID 5 acroos 3 drives. > >Can I use LVM to perform a software mirror between the internal raid and >external raid volumes or I would need 3-party software like Veritas >Foundation Suite for Linux ? > no you cannot use lvm to do mirroring, you can do striping with it, or just use space from the two storage to form a single volume group. I would not mix internal and external storage anyway if i were in you. if you need the space on a single server buy a server with more slots... L. -- Luca Berra -- bluca@comedia.it Communication Media & Services S.r.l. /"\ \ / ASCII RIBBON CAMPAIGN X AGAINST HTML MAIL / \