On Wednesday January 26, sawitt@xxxxxxxxxxxxxxxxxxxxxxxx wrote: > > A useful trick I discovered yesterday: Add --auto to your mdadm commandline > > and it will create the device for you if it is missing :) > > > > Well, it seems that this machine is using the udev scheme for managing > device files. I didn't realize this as udev is new to me, but I probably > should have mentioned the kernel version (2.6.8) I was using. So I need to > research udev and how one causes devices to be created, etc. Beware.... udev has an understanding of how device files are meant to work which is quite different from how md actually works. udev thinks that devices should appear in /dev after the device is actually known to exist in the kernel. md needs a device to exist in /dev before the kernel can be told that it exists. This is one of the reasons that --auto was added to mdadm - to bypass udev. NeilBrown - 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
