disk partitions on that aren't recognized by mkfs + parted

[Stainforth, Matthew (SD/DS)]

> the default behavior for RHEL6 but I am not sure when or IF it
> actually hit RHEL5. Sounds like it might have. In RHEL6 a reboot is
> simply a requirement, full stop.

In RHEL6 a reboot is required between repartitioning and mkfs'ing?  What a sad thing if true.