In my opinion it's best to have 2 data domains. Best Regards, Strahil NikolovOn Mar 28, 2019 05:32, adam_xu@adagene.com.cn wrote:

        Hello, everyone. I had a question on how to create a data domain in the  best way.         for example, I have a FCP device and there's a lot of hdds and ssds in that device. I ceate 2 luns. one consisting of HDDs and the other consisting of SSDs. I want to make some normal vms run in the lun with hdd and some vms (such as DB) run in the lun with ssd.        so, shoud I create one data domain with the 2 luns. or shoud I create 2 difference data domains, and every data domain with a single lun in it?        thanks. ________________________________ yours Adam