On 10/22/2012 11:56 AM, Rainer Fügenstein wrote: > > JR> In-kernel auto-assembly is only supported for metadata 0.90, and even > JR> then the feature is deprecated. If you have your root filesystem on a md > JR> array, use an initrd with mdadm in it to start it. > > if I understand it correctly, metadata 0.90 is not supporting drives > > 2TB? v0.9 supports drives to 4T, but there was a bug in several released kernels that triggered above 2T. There are also unsolvable misidentification issues for partitioned drives where the last partition can be confused with the whole disk. > will in-kernel auto-assembly be supported sometimes in the future? > this was quite a useful feature. I'm sure Neil will pipe up if necessary, but he has been adamantly against extending the in-kernel autoassembly code in any way. Auto- assembly is also incompatible with GPT partitions. You should use v1.0 for mirrored boot partitions, and v1.2 for all other arrays. And use an initramfs. I, too, squirmed when faced with the need to set up an initramfs, as I was quite comfortable with my legacy configuration. I'm glad I got over it. HTH, Phil -- 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