Re: partitions in meta devices

[Carl-Daniel Hailfinger <c-d.hailfinger.kernel.2003@gmx.net>]

Ezra Nugroho wrote:
> I am curious if partitioning meta devices is allowed or not.
> 
> I just created a software raid array, md0 with 240G logical size.
> I want to partition that into two, 100G and the rest.
> 
> I used fdisk to create the partitions, and it worked, result:
> 
> bangalore exports # fdisk /dev/md0
> 
> Command (m for help): p
> 
> Disk /dev/md0: 247.0 GB, 247044636672 bytes
> 2 heads, 4 sectors/track, 60313632 cylinders
> Units = cylinders of 8 * 512 = 4096 bytes
> 
>     Device Boot    Start       End    Blocks   Id  System
> /dev/md0p1             1  24414064  97656254   83  Linux
> /dev/md0p2      24414065  60313632 143598272   83  Linux
> 
> 
> however, I couldn't create any file system for them, or mount them.
> /dev/md0px just don't exist.
> 
> Do I need to partition the drives first before creating the raids?
> I use devfs instead of file based /dev

Please reboot after partitioning.

HTH,
Carl-Daniel