Upgrade to vSphere 5.1 – Upgrading a stand-alone host

VMware documentation on the upgrade can be found here.

The upgrade should be done according to VMware Migration Path in four steps:

  • vCenter Server
  • Hosts
  • Virtual Machines (VMtools and Hardware version)
  • VMFS datastores

 

This part shows how to upgrade a standalone host with ESXi installation iso.

  • Download the iso from vmware.com, burn it and insert to the server.
  • Shut down all your VMs and boot the server from the CD.

Booting to ESXi 5.1 installation / upgrade CD

Booting to ESXi 5.1 installation / upgrade CD

 

  • After the files are loaded, the installer will find VMFS partition. Press Enter to continue.

VMFS partition is found

VMFS partition is found

 

  • You will be presented with 3 options. Choose „Upgrade ESXi, preserver VMFS datastore”. Press Enter and F11 to confirm.

Choosing an upgrade or a fresh installation

Choosing an upgrade or a fresh installation

Confirm the upgrade

Confirm the upgrade

 

  • Have a cup of tea / coffee while the server is being upgraded.
  • When finished, you will get a confirmation message. Press Enter to reboot.

Upgrade is completed

Upgrade is completed

 

  • Enjoy upgraded ESXi server. Start you virtual machines and verify if everything’s fine.

ESXi reports version 5.1

ESXi reports version 5.1

 

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