basti wrote: > ARRAY /dev/md0 metadata=1.2 name=srv01:0 > UUID=42c30af1:e6986757:2c6bf608:34582a76 > ARRAY /dev/md1 metadata=1.2 name=srv01:1 > UUID=05b45cf9:2bf2dae8:8b4ea488:8cb4c214 > # this line dones not start on boot > ARRAY /dev/md2 metadata=0.90 UUID=63226122:8d9b97bb:99109359:8e81e636 > > > When I run mdadm --assemble --run /dev/md2 /dev/sdc1 /dev/sdd1 the array > is start. Check and update if needed /etc/default/mdadm, /etc/mdadm/mdadm.conf