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Esxi physical host will not come back up after reboot......

hi guys

so recently I was on the phone to Vmware. They asked me to Vmotion all of the VM's from this particular host, onto the other three we have in the cluster. I did. They then asked me to reboot the Esxi physical host. I did. But then...it never came back up. I.e. when I look at the screen, it is constantly going through a loop. It goes through the startup stages, but then it gets stuck in this loop which I've attached a photo.

It's trying to use PXE at boot? I've checked in BIOS and the primary boot is CD room. Last is PXE.

I ran harware diagnostics and sent to IBM (makers of our hosts/SAN environment). They said there's nothing wrong there.

So they asked me to do firmware updates. I've run them, but it takes forever.

However, in the morning I'm hoping it's come back up.

Otherwise, what's the next step? Re-install the OS? If so, do you have any steps I can go through?

The make model of this host is X3650 M3. We're using Vmware Esxi 4.1.0.

Thanks for your help
Yash

Many thanks
Yash
20130130-122945.jpg
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Yashy
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Yashy
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
If it's trying to PXE BOOT, it's trying to BOOT from the Network, because

1. BIOS settings have been changed to BOOT from network.

or

2. RAID array, storage controller, ESXi installation has become corrupted.

Check storage subsystem, and reinstall ESXi.
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YashyAuthor Commented:
I went into Bios. Booting from CD first. Im sure thats what i saw. I have left it runniig updates. one of which consists of the sas controller.

Is there much to installing the esxi host again? And adding back to cluster?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
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YashyAuthor Commented:
Fantastic thank you man. I'm assuming it's the same principle for 4.1?

Also, I applied the updates. When I reboot the Esxi host, the startup screen is really fast but I caught a glimpse of it saying:

CD drive: Boot Failed
Hard Disk 0: Boot Failed.

And IBM looked at the error logs and said there's no hardware faults.

Re-install Esxi 4.1? Or Diagnose the Boot failure you think?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
exactly the same for 4.1 as 5.1.

Hard Disk 0: Boot Failed, possibly hard drive issues?

otherwise re-install ESXi 4.1.
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YashyAuthor Commented:
All resolved.

You wouldn't believe this. After a reboot, the BIOS settings somehow decided to 'forget' two original settings. One was the actual LSA controller settings which looks at which drives to boot from. It was set to 'none'. Changed that to virtual drive 0.

Secondly, in the boot menu, there was what's called a 'Legacy' option missing. Added this to the boot option and put it just below the CD rom drive option.

Works like a charm now.

Unbelievable! All of this because we rebooted it and it forgot settings. Strange right?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
weird things do happen, check the CMOS Battery!

replace if older than 3 years.
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