On Sun, Jun 26, 2011 at 6:41 AM, Luke Kenneth Casson Leighton <luke.leighton@gmail.com> wrote: > > is there an option to mdadm to make it display UUIDs instead of or > as well as the disk name? "mdadm --examine /dev/sdXY" gives you the device and the array UUIDs. "mdadm --examine --scan" gives you the array UUID(s). "mdadm --detail /dev/mdZ" gives you the array UUID. "mdadm --detail --scan" gives you the array UUID(s).