thanks - round that out this morning when i came in to find an ultra redundant 4 drive raid 1 array!!! just in case i have 3 drives fail on me
new plan - i removed one drive from the array. mounted it as a temp 1 drive raid at md2.
i took the 3 drives and created a raid5 at md0
md0 is in recovery mode - when it comes online i will move everything from md2 to md0.
then we reformat md2 and add it to the md0 array...