Reading the CVS logs, I see this is intentional and RAID 1 with three drives was never supported. I seem to have overlooked this in raidctl(8).
- failed rf_ConfigureLayout with 22 Edgar Fuß
- Re: failed rf_ConfigureLayout with 22 Edgar Fuß
- Re: failed rf_ConfigureLayout with 22 Edgar Fuß
- RAIDframe: reducing a three-component RAID 1... Edgar Fuß
- Re: RAIDframe: reducing a three-componen... Jonathan A. Kollasch
- Re: RAIDframe: reducing a three-comp... Martin Husemann
- Re: RAIDframe: reducing a three-comp... Michael van Elst
