The Multiserver as extension of our Corporate Conversion Server

by Dr. Uwe Wächter

Many companies use conversion servers from SEAL Systems in parallel operation in order to manage the high and business-critical throughput. Multiserver is an extension which operates several CCS in a network, including load distribution and mutual replacement in the case of a computer breakdown. In this article, we had already announced the new Version 2.0 for our Corporate Conversion Server, and highlighted it as an important new function of the multiserver. This interconnection of several CCS entities is also required for our Cloud strategies.

In order to sensibly provide such a network

  • central operation and monitoring must be possible
  • it must be possible to distribute the processing of a job to the different entities via the most diverse interfaces and
  • uninterrupted operation must be ensured by replacement in the case of breakdown or update.

Multiserver-3 The Multiserver as extension of our Corporate Conversion Server

A new central component is therefore the multiserver database. This database administrates all information on jobs required for the central coordination of the network.

At the commissioning via web service, this web service is supplemented with a third-party load balancer. The convenience of this load balancer solution, such as for example the method of distribution, management of priorities, temporary shutting off of servers from the network, identification of managed servers, supply of interim stati, will of course be determined by the selected product. We have experience with several products and are also able to establish contacts.

SAP provides a load-distributing mechanism with RFC. The extension of the SAP standard by means of the convert engine framework can also distribute loads during operation.

The DPF folder service Gates / monitored directories) was also extended for multiserver operation.

When a job reaches a DPF, it is visible as usual in the tracker. At the same time, it is noticed by a DPF job aggregator assigned to the respective DPF, registered in a central database and regularly updated during processing.

The new plugin multiserver tracker in SEAL CC displays all jobs of all DPFs involved. In addition, information on the utilization of the respective servers is displayed in the menu option Multiserver job distribution.

The user thus does not need to know on which specific DPF the job he is searching for is running. By clicking on a job, this detail is displayed in detail in the tracker of the processing DPF. The server name is linked to the DPF tracker start page of the respective server.

Multiserver-4 The Multiserver as extension of our Corporate Conversion Server

By clicking on the job name, a new tab opens with detailed view of the job in the respective DPF tracker. This means that it is possible for example in case of inaccurate jobs, to search for the cause of the error quickly and easily.

In the last column, it is possible to carry out various actions: abort job, repeat job, and delete job, subject to the required authorization. In addition, there is an option to carry out an action for all jobs or to carry out all jobs on one page (bulk operations).

As in the case in the DPF tracker, there is a search function to systematically find certain jobs. This is done by searching via all boxes in the multiserver table by using the search string that has been entered.

The jobs can be filtered by status via the tabs All, Active, Completed and Incorrect.

An overview on the distribution of the jobs across the servers can be found under the menu option Multiserver job distribution. This can be of assistance for example to analyze errors. Are the jobs affected only on one server? This indicates to a potentially faulty configuration of this server.

Multiserver-1 The Multiserver as extension of our Corporate Conversion Server

Via the symbol in the Actions column, you are redirected to the respective DPF tracker. The server names are assigned a link to the server status overview.

Multiserver-2 The Multiserver as extension of our Corporate Conversion Server

Here, the individual servers can, for example, be stopped or restarted.

We are convinced that we are able to provide all our clients who operate several DPF servers with good and practical tools to operate these servers in an effective network.

The extensions for combining several servers to one multiserver are available to all maintenance customers free of charge. Costs are incurred for the installation and commissioning as well as potentially for third-party software.

Are you interested? Contact me or your SEAL Sales representative.

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