On 12/08/15 18:58, Hans Malissa wrote: > Can a RAID1 array be used/mounted while it’s rebuilding? Yes. But don't take my word for it: you can test it by setting up a test array on a couple of loop devices and play around with failing/removing/adding components to it while the array is mounted. Of course you need to have at least one active device that's fully in sync at all times. -- 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