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Re: Doesn't mdadm do this already?
Date: 2008-09-11 03:42 am (UTC)# for i in 0 1 2 3 ; do dd if=/dev/zero of=/block.$i bs=1M count=128 ; losetup /dev/loop${i} /block.$i ; done ;
# mdadm --create -n 4 -l 10 /dev/md99 missing /dev/loop1 missing /dev/loop3
# mdadm --add /dev/md99 /dev/loop0
# grep '(S)' /proc/mdstat
md99 : active raid10 loop1[4](S) loop4[3] loop2[1]