On Sat, Jan 11, 2025 at 13:10:51 +0100, Roger Price wrote: > On Sat, 11 Jan 2025, Michel Verdier wrote: > > > If I remember well you have to first set the device as faulty with --fail > > before --remove could be accepted. > > No luck : > > root@titan ~ mdadm --fail /dev/md4 --remove /dev/sdb7 > mdadm: hot remove failed for /dev/sdb7: Device or resource busy
Is it mounted? Is it being used as swap?
