Ferruccio Zamuner wrote: > Oct 9 14:53:28 k7 kernel: GEOM_MIRROR: Synchronization request failed > (error=1). ad6s1a[WRITE(offset=0, length=131072)] AFAIK this very much looks like a stale bsdlabel on the device. Try to destroy (overwrite) first 100kB or so of the device(s) in question with zeros or random data.