Best practices for partitioning and LVM usage with future storage growth in mind?

Solution Unverified - Updated 2013-11-12T20:54:45+00:00 -

Issue

Is it supported to use a whole multipathed disk and write a "simple protective MBR" (cf. Wikipedia on GUID Partition Table) with fdisk after pvcreate?
I want to be prepared for future storage growth:
- I want to use LVM.
- I want to be able to resize the underlying storage and have the LVM setup adapt to that.
- The underlying storage is multipathed.
- I want to use a protective MBR to signal that the storage is in use and to prevent foreign OS installers from considering the storage as available.

Red Hat Enterprise Linux (RHEL) 6.3
Resizeable storage devices (for example, Fibre Channel Storage Area Network (SAN) LUNs)
Logical Volume Management (LVM)

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