Every place where the paths for mdadm or mdmon is explicit,
it should use the BINDIR setting, not "/sbin/".
Reported-by: member graysky <graysky@archlinux.us> (https://bugs.archlinux.org/task/37330)
Signed-off-by: NeilBrown <neilb@suse.de>
Normally "mdadm -I" will not start an array if it has reason to
expect further devices.
This means that if a device is removed while the host is shut down,
"mdadm -I" will never start the device.
If the array is know to the host, it make sense to start the array
anyway after a reasonable timeout.
This patch adds systemd/udev infrastructure so that 30 seconds after
a known array first becomes able to be assembled as a degraded array,
the array will be assembled even if more devices are still expected.
Signed-off-by: NeilBrown <neilb@suse.de>