From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39885) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gHAjz-0000Jd-QE for qemu-devel@nongnu.org; Mon, 29 Oct 2018 12:50:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gHAjt-0001Lx-Uf for qemu-devel@nongnu.org; Mon, 29 Oct 2018 12:50:11 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43986) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gHAjt-0001IQ-MJ for qemu-devel@nongnu.org; Mon, 29 Oct 2018 12:50:05 -0400 Date: Mon, 29 Oct 2018 16:49:58 +0000 From: "Dr. David Alan Gilbert" Message-ID: <20181029164958.GF2417@work-vm> References: <5a7360b9.bb243a.166be7858ac.Coremail.zly371549296@163.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5a7360b9.bb243a.166be7858ac.Coremail.zly371549296@163.com> Subject: Re: [Qemu-devel] Qemu version issues migration List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: zly371549296 Cc: qemu-devel * zly371549296 (zly371549296@163.com) wrote: > Hello, I would like to consult different versions of qemu virtual machine. If I am doing hot migration, my current environment is cloudstack+ KVM +ceph. One host has qemu version 2.9 and another has qemu version 2.6.I tried low version to high version can be migrated, but high version, how to migrate low version, please help guide, thank you! Hi, Can you say what your command line is ? What are you using as the machine type, and what error do you get when you try the 2.9->26.1 migrate? Dave > > xiao zeng > > 2018-10-29 > > > zly371549296 -- Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK