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Re-installing ESXi advice

Posted on 2014-09-20
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Last Modified: 2016-11-23
We have a pair of Dell R720 Hosts, part of a vMware 5.5 setup.
After setting up USB Passthrough, and deciding it's not for me, I need to re-install ESXi on one of the hosts.
I've not setup an ESXi host yet, although it looks fairly straightforward, however I wanted to ask if I need to take a note of any of the settings before I wipe and re-install the host, or will those settings be auto configured by vMware server once it's been added back into the cluster?
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Question by:Neil Potter
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8 Comments
 
LVL 121
ID: 40334611
The settings WILL NOT be auto configured, when it's added back to the Cluster.

A re-installation, will present you with a Default ESXi configuration...

so you will need to note down IP Address, DNS information, Host name, virtual switches

The best thing to do, is select Host > Configuration, and Take a Screenshot of each....

e.g. Networking, Storage, Datastores, Network Adaptors

(unless you have build documentation!).

Make sure you use the DELL OEM version of ESXi 5.5 available from Dell.

You could Backup and Restore the configuration, BUT this could also restore the configuration, which you are trying to remove....

Why not just remove the USB Passthrough (VMDirect Path I/O config?)

see my EE Article on how to install ESXi, (also applicable for 5.5)

Part 1: HOW TO: Install and Configure VMware vSphere Hypervisor 5.1 (ESXi 5.1)
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Accepted Solution

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Neil Potter earned 0 total points
ID: 40334616
Thanks Andrew.  The article I saw suggested that you can't remove passthrough as it's added to the esx.conf file.
And to be fair things got a bit worse today after a vmware update left me with a ramdisk running full made think it was time i learnt how to re-install it :)
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LVL 121
ID: 40334620
Okay, go for a re-install (not an upgrade).

and document the settings.
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Author Comment

by:Neil Potter
ID: 40533640
I've requested that this question be deleted for the following reason:

Solved in a different manner
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LVL 121
ID: 40533641
I don't understand here, how none of the information I supplied was Helpful ?

Not even an Article by me, of how to install ESXi from scratch?
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Author Comment

by:Neil Potter
ID: 40533648
Sorry.  I realised that I could use the recovery partition on my ESXi setup, so booted from an older v5 install then upgraded that one again to v5.5 which solved everything.
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Author Closing Comment

by:Neil Potter
ID: 40544019
Fixed it myself outside of this thread
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