[root@xenical ~]# mdadm -D /dev/md0 /dev/md0: Version : 1.2 Creation Time : Thu Apr 26 16:49:47 2012 Raid Level : raid1 Array Size : 19529656 (18.62 GiB 20.00 GB) Used Dev Size : 19529656 (18.62 GiB 20.00 GB) Raid Devices : 2 Total Devices : 1 Persistence : Superblock is persistent
Update Time : Fri Nov 23 23:15:38 2012 State : clean, degraded Active Devices : 1 Working Devices : 1 Failed Devices : 0 Spare Devices : 0 Name : xenical:0 (local to host xenical) UUID : f257dc96:61bca1cb:5978f70f:f11c4322 Events : 1474 Number Major Minor RaidDevice State 0 8 1 0 active sync /dev/sda1 1 0 0 1 removed [root@xenical ~]# mdadm -E /dev/sdb1 mdadm: No md superblock detected on /dev/sdb1.