"Scrub" killed my NAS :( #27023882

In the "kernel.log" from that log download, there are hundreds of log entries like these during the scrub.  No idea if it's related, though:

Jun 17 02:06:21 Nas516 kernel: [394512.602748] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)
Jun 17 02:06:56 Nas516 kernel: [394547.636456] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)
Jun 17 02:07:46 Nas516 kernel: [394597.750539] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)
Jun 17 02:08:11 Nas516 kernel: [394623.114471] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)
Jun 17 02:08:56 Nas516 kernel: [394668.100414] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)
Jun 17 02:09:05 Nas516 kernel: [394676.732246] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)
Jun 17 02:10:22 Nas516 kernel: [394753.454576] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)
Jun 17 02:10:23 Nas516 kernel: [394754.347364] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)
Jun 17 02:10:23 Nas516 kernel: [394754.746430] md: delaying requested-resync of md126 until md127 has finished (they share one or more physical units)