Upgrade ESX 4 to ESXi 5 Through Update Manager | Upgrading Vsphere 4.1 to 5 step by step Guide
VMware vSphere 5.0 has finally arrived and includes several new unique features such as Storage DRS and Autodeploy. Unlike prior versions, vSphere 5 supports only the ESXi hypervisor architecture, the only thin purpose-built hypervisor that does not depend on a general purpose operating system.
Upgrading ESX 4 to ESXi 5 Through VMware vCenter Update Manager:
Upgrading ESX 4 to ESXi 5 Through Console:
Benefits of VMware ESXi Hypervisor Architecture:
- Improve Reliability and Security.
- Streamline Deployment and Configuration.
- Reduce Management Overhead.
- Simplify Hypervisor Patching and Updating.
New Features in vSphere 5.0:
- NEW Image Builder.
- NEW ESXi Firewall.
- Storage I/O Control for NFS
- Storage DRS
- VMFS-5 / VMFS Scalability and Performance enhancements
- NEW Enhanced SNMP support
- 2TB+ pass-through RDM support
- Scalability — 160 CPU Threads (logical PCPUs) per host , 2 TB RAM per host, 2048 VCPUs per host, 2048 virtual disks per host, 2048 VMs per VMFS volume, 512 VMs per host
- NEW Secure Syslog.
- NEW Central management of host image and configuration via Auto Deploy.
- NEW Enhanced Unified CLI Framework.
- New virtual hardware.
ESXi 5.0 introduces a new generation of virtual hardware with virtual machine hardware version 8, which includes the following new features:
- 32-way virtual SMP. ESXi 5.0 supports virtual machines with up to 32 virtual CPUs, which lets you run larger CPU-intensive workloads on the VMware ESXi platform.
- 1TB virtual machine RAM. You can assign up to 1TB of RAM to ESXi 5.0 virtual machines.
- Nonhardware accelerated 3D graphics for Windows Aero support. ESXi 5.0 supports 3D graphics to run Windows Aero and Basic 3D applications in virtual machines.
- USB 3.0 device support. ESXi 5.0 features support for USB 3.0 devices in virtual machines with Linux guest operating systems. USB 3.0 devices attached to the client computer running the vSphere Web Client or the vSphere Client can be connected to a virtual machine and accessed within it. USB 3.0 devices connected to the ESXi host are not supported at this time.
- UEFI virtual BIOS. Virtual machines running on ESXi 5.0 can boot from and use the Unified Extended Firmware Interface (UEFI).
- AD Integration.
- Scripted Installation.
- Boot from SAN support for ESXi.