> I have zero experience with debian, but on several other distributions I > have noted that an upgrade to a very recent kernel from a fairly old > kernel (which you did) will make the LVM not work if you're using that. By "that", you mean LVM? No, straight MD RAID 1. > If not, forget I said it, it's not related and I never chased it, I just > saw it a few times and muttered mighty oaths and moved on. Oh, it's almost surely related to the new version of udev. John Robinson's response makes it clear udev is assigning a different block device (sdx vs mdx), whihc is probably why it's failing. I did try different targets, and /dev/hda and /dev/hdb definitely do not exist. I'll look for sda and sdb when I get the chance. 'Should be an easy fix if that's all it is. -- 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