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 (8.12.11.20060308/8.11.6) with ESMTP id k3AGaBRr016536 for ; Mon, 10 Apr 2006 12:36:11 -0400 Received: from orca.ele.uri.edu (orca.ele.uri.edu [131.128.51.63]) by mx3.redhat.com (8.13.1/8.13.1) with ESMTP id k3AGa5nr017301 for ; Mon, 10 Apr 2006 12:36:05 -0400 Subject: Re: [linux-lvm] LVM over IP network From: Ming Zhang In-Reply-To: <200604072216.14803.krakrjak@volumehost.net> References: <1144412972.44365b2c36361@mail.sify.com> <200604072216.14803.krakrjak@volumehost.net> Date: Mon, 10 Apr 2006 12:35:51 -0400 Message-Id: <1144686951.8591.103.camel@localhost.localdomain> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Reply-To: mingz@ele.uri.edu, 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" To: LVM general discussion and development On Fri, 2006-04-07 at 22:16 -0500, Zac Slade wrote: > On Friday 07 April 2006 07:59, rarulselvan@sify.com wrote: > > I do understand that LVM and EVMS are quite useful for managing the disk > > space in given work station. So I am wondering if there is such thing as > > LVM over IP network ? so that I can maximize my disk usage. If not, what is > > my other choice ? > Why not? Using iSCSI or ATAoE you can export the extra space from each of the > system as devices that will appear to be block devices. From there you can > add them to a vg anytime you want. Just be careful how you do it because if > one of the systems goes off the network you will not have access to the data > from that drive. Also I'm not so sure how well LVM deals with having a drive > dissappear out from underneath it. if one PV lose. u can active a partial VG and do read only LV on good PVs. ps, i do not understand why LV only allow read only access. anybody know why? ming