Yes – unless you have already made a different choice of raid level for that tier and that pool  Initial allocation works exactly like before through the tiering policies – based on tier and not on RAID level
I was recently been updated that new OE 05.32 support mixed raid group. I wanted to know how does it work in a pool environment and how to confirgure it.  Thanks in Advance.  Ivan Skinner
How does mixed raid group works in a Pool