From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Xen limitations : 256 disks devices limit per hypervisor Date: Thu, 30 Jun 2011 13:09:22 -0400 Message-ID: <20110630170922.GA24352@dumpdata.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Eric Durand Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Thu, Jun 30, 2011 at 09:54:47AM +0200, Eric Durand wrote: > Hello, > > > > > > I've recently try to run a large number of linux domU/disks per domU. I use > LVM for disks and Xen refuses to allow more than 256 disks (total for one > hypervisor). Can somebody tell me which paremeter I could set to allow more > disks devices ? Huh? How does it refuse? What version of Linux are you using? Are you giving one guest 256 LUNs? What version of Xen are using? What does you guest config look like?