• What is High Availability?

    There is a continuous growth for the need of a modernized infrastructure when it comes to data centres. Data centres help to deliver more services because of this, companies across the world are seeking out new methods to get into the collocation space. For any company, the infrastructure of the business is one of the most important parts, this is where high availability and resiliency becomes a matter of concern. Due to the variety of requirements, it becomes challenging when organizations are searching for a good service provider or data vendor.

    There are many organizations which rely on collocation service providers or data vendor in order to get the necessary support for the infrastructure of the data. Immunity Networks Provides its customers with the High Availability service. Every solution that is provided to the client is based mainly on the observations made by their experts. This is done by a variety of methods namely

    .   Physical Server clustering in the event if there is a dedicated environment for the physical server.
    In the event if there is a physical damage like a hard ware failure, then we ensure that until the problem is fixed the work load is transferred to another physical server which is clustered.

    .   Virtual Server Clustering
    Under this technique, we go ahead and cluster the server which is nothing but a virtual image on a multiple hosting machine. We interlink the Virtual Machines(VM’s) with other machines which are compatible in the case of there is a software or hardware issue with the main Virtual Machine. This way, the Secondary Virtual Machines takes over to ensure smooth functioning.

    .   The Application High Availability
    In this method, we go ahead and focus on the approach for the application clustering instead of the complete Virtual Machine. This helps to balance the load and is tailored as per the type of Operating system that is being used by the client presently. Some of the most common operating systems are Solaris, Linux, Windows, Aix etc. There is also a physical and virtual setup. This method is generally used in order to ensure that there is not threat or downtime for the company in any form.

    .   Reasons of why a problem may occur
    A downtime in the server due to various reasons can create a very negative impact in the smooth functioning and work load of the business. When this happens, it can really take a lot of the precious time of the business in order to find the problem and fix it. In such cases, it becomes essential to have alternate preventive and safety methods which have to be in place to ensure that things run properly as well as there is no setback for the business in any way. Some of the most common reasons why there could be a downtime could be due to

    .   A problem in the motherboard or any other part of the server
    .   A problem with the hard drive, cable etc.
    .   A problem with the Operating System or even the Application Database
    .   A Power failure due to various reasons etc.

  • Features of High Availability?
  • Features of Immunity’s High Availability Service

    . Different methods used in order to find out and provide the necessary solution based on the findings.

    . An in-depth analysis is conducted to ensure that the root of the problem is not only identified however fixed ASAP.

    . Clustering is done on the physical as well as virtual level depending on the client’s needs and requirements. Application clustering service is also available in case there is a requirement.

    . In the case of any new methods or the use of the latest technologies which help to make the work more effective as well as beneficial becomes easy as the necessary guidance is provided to the client.

  • Benefits of High Availability?
  • Benefits of Immunity’s High Availability Service

    . An in-depth inspection is done as to where the problem actually lies and what can be done to rectify the same.

    . Use of different kinds of methods and techniques in order to ensure that the client gets the best service.

    . Observations and analysis are done by a team of experts which take into consideration every integrity detail to ensure that there are no loopholes or points missed out.

    . Cater to the various needs of the clients to ensure that the necessary things are taken cared of so that they get the time to focus on other aspects which require their attention.