I just figured out , mdadm --auto=yes , will autocreate /dev/md2 if does not exists. Regards, D. On Fri, Apr 18, 2008 at 6:10 PM, S.Tindall <tindalls.gr9x at osccc.com> wrote: > 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 > _______________________________________________ > CentOS mailing list > CentOS at centos.org > http://lists.centos.org/mailman/listinfo/centos > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20080418/36af87ae/attachment-0004.html>