Sean Hildebrand wrote: > I got all my data, save the eleven folders that read errors occurred > in - Thankfully the data lost isn't terribly important. Good. > Is there no way to get mdadm to allow a certain number of read errors > from a disk, instead of removing it from the array immediately? > Manually unmounting, stopping, and re-assembling is somewhat of a > chore, especially when the system locks access to the array while > copying, despite the read error. Not that I know of. Since you got your data back it's moot .... but: You couldn't add /dev/sdd1 because the raid superblock is at the end of the disk - clearly readable though since it was read at startup. The next thing would have been to force a recreation of the array using the new disk. Anyhow, glad you're sorted David -- 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