[CentOS] Disc layout advice

>pvcreate is the first step of creating LVM areas.   If you're not going
>to use LVM then you don't need to pvcreate.   However I recommend
>that you _do_.

Yea I guess I was rather vague. I do plan to carve up the md device w/ lvm
once it's up. Historically I run pvcreate on lvm partitions for various reasons.

Should I create an pvm partition on the md0 device? I was not even sure I could...

Thanks!
jlc