On Sunday October 2, hbarta@xxxxxxxxx wrote: > I have a 5 disk raid that is currently using only 4 disks. On startup, > it rejects an apparently good drive with the message that it is > non-fresh. I don;t understand what non-fresh means nor how to resolve > this. 'non-fresh' means that it doesn't seem to up-to-date with respect to the other drives in the array. Use "mdadm --examine /dev/sda1" and compare that with "mdadm --examine /dev/sdc1" to see what the difference is. It is probably the Event count. To re-incorporate sda1 into the array, use mdadm /dev/md0 -a /dev/sda1 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