--On Friday, September 18, 2020 10:53 PM +0200 Simon Matter simon.matter@invoca.ch wrote:
mdadm --remove /dev/md127 /dev/sdf1
and then the same with --add should hotremove and add dev device again.
If it rebuilds fine it may again work for a long time.
Thanks. That reminds me: If I need to replace it, is there some easy way to figure out which drive bay is sdf? It's an old Supermicro rack chassis with 6 drive bays. Perhaps a way to blink the drive light?