> David Hlácik" wrote on Friday, April 18, 2008 11:40 AM: >> Hi , currently i have 2 raid devices /dev/md0 and /dev/md1 , i have added >> 2 >> new disks, fdisked , created 2 primary partitions with type fd (linux >> raid autodetect) >> Now i want to create raid from them >> >> root at vmhost1 ~]# mdadm --create --verbose /dev/md2 --level=1 /dev/sdc1 >> /dev/sdd1 >> mdadm: error opening /dev/md2: No such file or directory >> >> will return that error, what shouldi do? > > Not familiar with that error, but try specifying the number of devices: > > # mdadm -C /dev/md2 -l1 -n2 /dev/sd[cd]1 > > Steve Tindall Forgot to ask, does /dev/md2 exists in /dev? If not, you can still use makedev to generate it: # cd /dev # MAKEDEV md Undocumented, but it still works. Steve Tindall