On Thu, Dec 31, 2009 at 02:59:26AM -0500, John A. Sullivan III wrote: > Hello, all. We are attempting to upgrade our kernel on our VServer > hosts from 2.6.28 to 2.6.32.1. After some initial grief, we thought we > were successful until multipath kicked in and we received an error > message: > > DM multipath kernel driver version too old > > In the RAID and LVM section of our kernel configuration, we have enabled > Multipath I/O support. We have then created modules for Multipath > target and both I/O Path Selectors (in-flight I/Os and service time). > > We are running fully patched CentOS 5.4. What have we done wrong? > Thanks - John > Are you using the dm-multipath rpm that comes with CentOS/RHEL? I believe that dm-multipath version requires the CentOS/RHEL kernel (because of the patches Redhat has applied to that kernel). You might have better luck using the upstream dm-multipath with the upstream kernel. -- Pasi -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
