Backup & Restore Vcenter Appliance

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vsphere 6 vcenter component deployment

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Steps for vCenter 6.0 Appliance Deployment

Mount the vCenter appliance 6.0 DVD and run the vcsa-setup.html file

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Click on Install

 

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Accept license agreement and click on “Next”

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Enter the root credential of our esx host

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Accept the certificate of esx host

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Give a name for virtual appliance

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In this lab scenario, we are going to install psc & vc in two different virtual appliances

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Assign sso password, ssodomain name and Sso site name

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Click on Next

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Select datastore to install virtual appliance.

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Assign an IP address, fqdn and other network related details.

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Click on Next

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Click on finish

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Now we can start vcenter server appliance deployment. Process is same as as psc deployment

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Enter our platofrm service controllers fqdn and sso administrator credential

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Select the appliance size

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Select the datastore for deployment

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We are going to use embedded database(postgresql)

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Click on finish

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Once finish the installation, we can use vcenter fqdn or ip address to manage our vcenter

vShere 6 lockdown mode

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What is lockdown mode?

Normally we are using vcenter to manage multiple esx hosts. But if we required we can login to the esx host directly using vsphere client.Once we enabled lockdown mode, we cannot connect to the esx host using vsphere client.

When we trying to connect lockdown mode enabled esx, it will give below error message

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In case of a vcenter unavailability, we can simply disable lockdown mode from the DCUI.

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How to use vSphere cli

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vSphere cli is a command line interface, where we can use to run commands on esx hosts.This is an alternative option for putty.We can install vSphere cli on any server/desktop in your network.

Below are the steps

  1. Download vSphere cli from vmware.com

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  1. Once you installed vSphere cli, you can browse the below path and run the commands. Most of the commands are written in activepearl scripting language.

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  1. We can get help for all the commands using –help parameter.

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esx iscsi error Call ïscsimanager.query candidatenics"

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In my lab environment I used iscsi as my shared storage. Today I have removed network adapters from software iscsi adapter to do some other networking stuff. After a while when im trying to reconfigure iscsi im getting below error

Call ├»scsimanager.query candidatenics”

To resolve this problem I had to reset iscsi from esx shell by following below steps

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Logged to the esx host & find iscsi related config files

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VMware-Migrate iscsi traffic from standard switch to distribute switch

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When we are having some extra network adapsters. We can follow below steps.

  1. In thi slab environment, we have two nics for existing iscsi connection using Vmware standard swtich.
    1. Esx01.mobilab.local have one standard switch configured for iscsi traffic

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  1. Now we have configured vmware distributed switch and added vmnic4 & vmnic5 to this distributed switch & all the ip address configured.

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