Re: Creating degraded more arrays with mdadm?

On Sat, 14 Dec 2002, Ross Vandegrift wrote:

	I'm trying to convert to using mdadm for everything, but I
couldn't really figure out how to do this.  I thought I figured it out
with

# mdadm --create /dev/md0 --level=1 --raid-disks=1 /dev/hde2
... copy data
# mdadm --add /dev/md0 /dev/hdg2

Use the missing keyword in place of the device name:

# mdadm --create /dev/md0 --level=1 --raid-disks=2 /dev/hde2 missing

That should leave you with a 2-disk mirror with only /dev/hde2 as a
member.

--
Derek Vadala, derek@cynicism.com, http://www.cynicism.com/~derek