On Wed, 03 Sep 2025 18:58:10 +0200 Michael Reinelt <michael@xxxxxxxxxxxxx> wrote: > This minimizes the time the array would otherwise run degraded and thus reduces the risk of a second > failure during a rebuild. Good point for RAID5/6, but in this case growing RAID1 from 2 to 3 mirrors doesn't introduce any risk compared to what it was before the operation. -- With respect, Roman