Linux vacca.o2switch.net 4.18.0-553.123.2.lve.el8.x86_64 #1 SMP Thu May 7 23:17:13 UTC 2026 x86_64

//lib/systemd/system-shutdown/mdadm.shutdown

 #!/bin/sh
# We need to ensure all md arrays with external metadata
# (e.g. IMSM, DDF) are clean before completing the shutdown.
/usr/sbin/mdadm --wait-clean --scan