I have some blades that I'm unable to boot from SAN. The weird thing is I can see the LUN's and I can install ESXi 5.5 fine. It's up until I reboot and the blades just boot to the BIOS because they don't see any disk. When I try to change boot order, the only thing I can boot to is UEFI.
When you see your lun, and can install ESXi, it means, that
- your zoning is correct
- your lun masking / mapping is correct
If boot fails, your boot policy is the problem ! are you sure, that the target pwwn points to the controller of the disksubsystem, that the lun nr. is correct ? we seen all kind of weird things, like cable crossed,.....
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