lsraid -a /dev/md0

[root@mail etc]# lsraid -a /dev/md0
[dev   9,   0] /dev/md0         57F98AC6.91021808.E5F058A3.91E9FE17 online
[dev  22,   1] /dev/hdc1        57F98AC6.91021808.E5F058A3.91E9FE17 good
[dev  22,  65] /dev/hdd1        57F98AC6.91021808.E5F058A3.91E9FE17 good

[root@mail etc]# lsraid -a /dev/md1
[dev   9,   1] /dev/md1         4A2262E4.6B0C39AA.59C5AEAF.4FC41204 online
[dev  22,   2] /dev/hdc2        4A2262E4.6B0C39AA.59C5AEAF.4FC41204 good
[dev  22,  66] /dev/hdd2        4A2262E4.6B0C39AA.59C5AEAF.4FC41204 good

[root@mail etc]# lsraid -a /dev/md2
[dev   9,   2] /dev/md2         4A103E27.D5B51E66.AA3D7DEA.EF7AB400 online
[dev  22,   3] /dev/hdc3        4A103E27.D5B51E66.AA3D7DEA.EF7AB400 good
[dev  22,  67] /dev/hdd3        4A103E27.D5B51E66.AA3D7DEA.EF7AB400 good