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@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

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@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@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@centos.org http://lists.centos.org/mailman/listinfo/centos