Hi, Neil... I use MD driver two year ago with Debian, and run perfectly. Now, I added our machine to a cluster with kernel 2.4.27 and openmosix patches. We wish to use the cluster to power our primary machine. I copied the kernel, modules and initrd from the running cluster to the machine (openmosix need all nodes with same kernel version). The machine boot the new kernel a run Ok... but... if I (or another process) make a change/write to the raid md system, the computer crash with the message: hdh: Drive not ready for command. (hdh is the mirror raid1 for hdf disk). Is MD driver not openmosix-ware? Thanks! -- Joaquin Ferrero <explorer@xxxxxxxxxx> APROSI - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html