From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: RHEL 6 I/O error messages during booting Date: Fri, 28 Oct 2011 20:46:29 -0400 Message-ID: <20111029004628.GA29647@redhat.com> References: <4EAB1B12.3080606@lanl.gov> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <4EAB1B12.3080606@lanl.gov> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Daniel Lang Cc: device-mapper development List-Id: dm-devel.ids On Fri, Oct 28 2011 at 5:13pm -0400, Daniel Lang wrote: > We are having an issue that appears to be related to fact that the > scsi_dh_rdac module is loaded after the qla FC driver and SAN paths > coming up before rdac can handle them. How can we change the order > of kernel modules so that the scsi_dh_rdac module is loaded before > the FC driver? Add 'rdloaddriver=scsi_dh_rdac' to the kernel commandline to have the initramfs preload the module (scsi_dh_rdac.ko should already be in the initramfs).