Thank you for your help. Unfortunatly the server rebooted before I could run the update-initramfs command and now this is my current state: root@petra:~# cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md1 : inactive sdd[3](S) 2930135512 blocks super 1.2 md0 : active linear sdb[0] sda[1] 2930277152 blocks super 1.2 0k rounding unused devices: <none> root@petra:~# mdadm --examine --scan ARRAY /dev/md0 UUID=e151ea2f:37b942a4:e368bf24:bd0fce41 ARRAY /dev/md/0 metadata=1.2 UUID=952ad074:4039f24a:2ec1808e:d555a88c name=petra:0 ARRAY /dev/md/md1 metadata=1.2 UUID=03c85017:15cecfb6:13d059bc:a8ff8779 name=petra:md1 root@petra:~# mdadm --examine /dev/md0 /dev/md0: Magic : a92b4efc Version : 1.2 Feature Map : 0x0 Array UUID : 03c85017:15cecfb6:13d059bc:a8ff8779 Name : petra:md1 (local to host petra) Creation Time : Sun Feb 16 12:21:56 2014 Raid Level : raid1 Raid Devices : 2 Avail Dev Size : 5860292160 (2794.41 GiB 3000.47 GB) Array Size : 2930135360 (2794.39 GiB 3000.46 GB) Used Dev Size : 5860270720 (2794.39 GiB 3000.46 GB) Data Offset : 262144 sectors Super Offset : 8 sectors State : clean Device UUID : ae9da3ed:c4d422cb:06cf927d:b75bfc36 Update Time : Sat Mar 8 18:14:00 2014 Checksum : 51e09d97 - correct Events : 74578 Device Role : Active device 1 Array State : AA ('A' == active, '.' == missing) What is going on? Why /dev/md1 is now inactive and /dev/sdd is busy? And i don't understand why when I examine /dev/md0 the "Name" is "petra:md1". Also in "--examine --scan" it says I have /dev/md0 /dev/md/0 and /dev/md/1 when on the filesystem only exist /dev/md0 and /dev/md1 2014-03-08 20:25 GMT+01:00 Can Jeuleers <can.jeuleers@xxxxxxxxx>: > On 03/08/2014 01:44 PM, Rudy Zijlstra wrote: >> To solve this, you need to update the initrd. Please google for this, i >> do not use ubuntu so am not the best to give instructions on it. > > sudo update-initramfs -u -k all > > -- > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- Federico Foschini. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html