From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: expanding virtual disk based on lvm Date: Wed, 05 Sep 2012 10:25:26 +0300 Message-ID: <5046FE66.7080207@redhat.com> References: <1346185598.26275.28.camel@corn.betterworld.us> <5045F9E7.70501@redhat.com> <1346785095.4329.32.camel@corn.betterworld.us> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org To: Ross Boylan Return-path: Received: from mx1.redhat.com ([209.132.183.28]:49570 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751229Ab2IEHZg (ORCPT ); Wed, 5 Sep 2012 03:25:36 -0400 In-Reply-To: <1346785095.4329.32.camel@corn.betterworld.us> Sender: kvm-owner@vger.kernel.org List-ID: On 09/04/2012 09:58 PM, Ross Boylan wrote: > On Tue, 2012-09-04 at 15:53 +0300, Avi Kivity wrote: >> On 08/28/2012 11:26 PM, Ross Boylan wrote: >> > My vm launches with -hda /dev/turtle/VD0 -hdb /dev/turtle/VD1, where VD0 >> > and VD1 are lvm logical volumes. I used lvextend to expand them, but >> > the VM, started after the expansion, does not seem to see the extra >> > space. >> > >> > What do I need to so that the space will be recognized? >> >> IDE (-hda) does not support rechecking the size. Try booting with >> virtio-blk. Additionally, you may need to request the guest to rescan >> the drive (no idea how to do that). Nor am I sure whether qemu will >> emulate the request correctly. >> > Thank you for the suggestion. > > I think the "physical" recognition of the new virtual disk size was > accomplished when I restarted the VM, without any other steps. I've had > plenty of other problems, but I think at the VM level things are good. Certainly restart (shutting down qemu and restarting it, not a reset) works, I thought you wanted online resize. -- error compiling committee.c: too many arguments to function