"Mr. G. D. Geen" wrote:
On the EMC all disks in a RAID group must be the same size, no different from NetApp.
I believe you can mix drives sizes in a raid group. The largest just becomes the new parity drive in a brand new raid gorup, otherwise it gets chopped if you added it to a smaller group after the fact. I have made raid groups with 72 and 36 drives just for fun and found this to be the case.