How do I make device mapper multipath ignore my local disks when generating the multipath maps in Red Hat Enterprise Linux 4 and 5?

Updated -

Release Found: Red Hat Enterprise Linux 4 and Red Hat Enterprise Linux 5

Limitation:

For this article, /dev/sda will be used as an example of the internal disk. Note that dm multipath is only supported by Red Hat Global Support Services on Red Hat Enterprise Linux 4 Update 2 and subsequent versions thereafter and on Red Hat Enterpris...

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