On Monday October 9, ianbrn@xxxxxxxxx wrote: > > In the kernel log I see: > "md0: raid array is not clean -- starting background reconstruction" > > > What is the meaning of "raid array is not clean" ? It means md believe there could be an inconsistency in the array. This typically happens due to an unclean shutdown. Can you post more complete logs ? 100 lines either side should be plenty. 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