Why do the systems hang on "Waiting for 1 sda-like device(s)" after they crashed?

Solution Verified - Updated -

Issue

Systems crash and fail to boot with bellow message on the console

Waiting for 1 sda-like device(s)...

Kdump is configured and active but there is no vmcore generated and saved from that crash.

Environment

Red Hat Enterprise Linux 6 running on VMware ESX hypevisor.

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