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Server Virtualisation - Why You Should Use It and the Best Software Solutions

One of the most important reasons for virtualising corporate resources is the wish for better utilisation. Servers of the current hardware generation often only use 10-20% of their capacity. Nevertheless, in many industries it is necessary to keep certain applications separate from each other. This also makes it easier to monitor and manage resources. 

One of the most important reasons for virtualising corporate resources is the wish for better utilisation. Servers of the current hardware generation often only use 10-20% of their capacity.... read more »
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Server Virtualisation - Why You Should Use It and the Best Software Solutions

One of the most important reasons for virtualising corporate resources is the wish for better utilisation. Servers of the current hardware generation often only use 10-20% of their capacity. Nevertheless, in many industries it is necessary to keep certain applications separate from each other. This also makes it easier to monitor and manage resources. 

Here you'll find our  Server Virtualization

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SYS-1029P-WTR | Supermicro Dual Xeon 1U Rack Server SYS-1029P-WTR Server

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SYS-4029GP-TRT | Supermicro Dual Xeon 4HE Rack GPU Server SYS-4029GP-TRT2 Server

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SYS-2049U-TR4 | Supermicro Intel Quad Xeon 2U Rack Server  SYS-2049U-TR4 Server

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up to 12TB RAM

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  • 2U Rack Server, 205W TDP
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SSG-6019P-ACR12L | Supermicro Dual Xeon 1U Rack Storage Server SSG-6019P-ACR12L Server

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SYS-5019P-WTR | Supermicro Intel Xeon 1U Rack Server SYS-5019P-WTR Server

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SYS-1029P-WTRT | Supermicro Dual Xeon 1U Rack Server SYS-1029P-WTRT Server

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SYS-6019P-WTR | Supermicro Dual Xeon 1U Rack Server SYS-6019P-WTR Server

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Up to 3 add on cards on 1U

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  • Dual Intel Xeon Scalable CPU, 2nd Gen.
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SYS-4029GP-TVRT | Supermicro Dual Xeon 4U Rack GPU Server SYS-4029GP-TVRT Server

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SYS-4029GP-TRT2 | Supermicro Dual Xeon 4U Rack GPU Server SYS-4029GP-TRT2 Server

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SYS-1029U-E1CR25M | Supermicro Dual Intel Xeon 1U Rack Server SYS-1029U-E1CR25M Server

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  • 2U Rack 4 Node Server, 165W TDP
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SYS-1029U-E1CRTP2 | Supermicro Dual Intel Xeon 1U Rack Server SYS-1029U-E1CRTP2 Server

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Up to 6 TB RAM

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SYS-2029BZ-HNR | Supermicro 4-Node Dual Xeon 2U Rack Server SYS-2029BZ-HNR Server

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AS-1023US-TR4 | Supermicro AMD Dual EPYC 1U Rack Server AS-1023US-TR4 Server

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Up to 3 add-on-cards on 1HE

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  • 2U 4-Node Server, 200W TDP
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AS-1123US-TR4 | Supermicro 1U Dual EPYC Server AS-1123US-TR4 Server

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AS-2023US-TR4 | Supermicro 2U Rack Dual AMD EPYC Server AS-2023US-TR4 Server

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SSG-6049P-E1CR36H | Supermicro Dual Xeon Rack Storage Server SSG-6049P-E1CR36H Server

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Rack Storage Server

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From €3,020.00 *
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SYS-2029U-TN24R4T | Supermicro Dual Xeon 2U Rack Storage Server SYS-2029U-TN24R4T Server

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All-NVMe Storage Server

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From €3,550.00 *
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  • 2U Rack Server, 205W TDP
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From €2,300.00 *
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  • 2U Rack Server, 165W TDP
  • Dual Intel Xeon Scalable CPU, 2nd Gen.
  • Up to 4TB RAM, DDR4-2933MHz ECC
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From €3,720.00 *
Details
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What is server virtualisation?

Server virtualisation is used to provide systems or applications with hardware or hardware resources virtually. The system can work with this virtual hardware in the same way as with actual physical hardware.

In each virtual machine (VM), a separate operating system is installed and only the hardware is shared. This results in independent environments that can be configured with different settings. Virtual machines are also called logical partitions, logical domains, or kernel-based virtual machines.

Servervirtualisierung

What are the advantages of server virtualisation?

Companies can use server virtualisation in a variety of ways to leverage their resources more efficiently and save money in the long run:

  • Fully utilised hardware resources
  • Easy configuration
  • Efficient allocation of resources
  • More space and lower electricity needs
  • Free choice of hardware
  • New space for old applications

Server Virtualisation: The Three Most Common Approaches to Virtualisation

There are a number of different approaches to implement server virtualisation. These different methods are often used and also combined by the virtualisation solutions. This depends on the support of the guest OS, the hardware support, and the respective settings.

  • Software Virtualisation Software virtualisation does not impose any special requirements on the hardware. Storage protection mechanisms are used to prevent interference caused by overlaps. I/O accesses to devices are intercepted and passed from the software of the host to the hardware. In this form of server virtualisation, the hypervisor simulates the devices by analysing the operating system code.
  • Hardware Virtualisation Hardware virtualisation uses special instruction sets of the CPU or I/O devices. These must, of course, be supported by the hardware. Virtual machines can then use hypervisor calls to access the devices. This increases the efficiency of the hypervisor by reducing the load.
  • Paravirtualisation Paravirtualisation uses dedicated drivers that are adapted to the hypervisor. This also eliminates the need for hardware support. An I/O request is sent on a logical level directly to the hypervisor, which then forwards it to the hardware. This eliminates the need to monitor the guest operating system code and makes guest communication with the hypervisor much more efficient.

OS-level server virtualisation

With the operating system virtualisation, only one operating system is installed on the hardware. The operating system then provides different environments. These environments look like independent operating systems, but they no longer have access to the hardware. Nevertheless, applications can be configured and operated independently of each other and are therefore protected.

The virtual instances share the kernel and the drivers. This means that each instance has the same patch status. Depending on the solution, the TCP/IP stack can also be shared. In some cases, however, it can also be configured independently.

Servervirtualisierung

Server Virtualisation and the Importance of Hypervisors

When it comes to the type of virtualisation, a basic distinction is made between type 1 (bare-metal hypervisor) and type 2 (hosted hypervisor) virtualisation concepts. While bare-metal hypervisors are based directly on the hardware and do not require a host operating system, type 2 hypervisors are software that can be installed under Windows, Linux, or MacOS X.

In practice, however, the limits of this definition are becoming increasingly blurred. For example: Microsoft Hyper-V is considered a bare-metal virtualisation product, while KVM (Kernel Virtual Machine, Linux) is a hosted hypervisor.

Everything you need to know about server virtualisation and much more at HAPPYWARE

If you are looking for more information on server virtualisation or you have further questions, please phone or send us an email - we will be happy to help.

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