(Replace naa.xxxxxxx with your specific device ID).
Run:
Take a deep breath.
For recovering a VMFS partition on , here are the most helpful official and community papers, in order of effectiveness: recover vmfs partition esxi 5
esxcfg-rescan -a
Have you ever had to recover a VMFS partition manually? Did you use fdisk or partedUtil ? Let us know in the comments! (Replace naa