New XPC Means Bigger OS 2200 Clusters
In March of 2016, Unisys delivered the latest version of the ClearPath® OS 2200 XPC-L server, called XPC-L4. XPC-L4 is an external lock engine that provides the essential data access synchronization multiple ClearPath Forward™ Dorado systems need to share a common OS 2200 database.
When coupled with Unisys OS 2200 Extended Transaction Capacity (XTC) software, the solution provides a multi-host clustering environment that supports extensive horizontal growth, as well as non-stop processing for OS 2200 applications.
The XPC-L4 server complex sits as the center of the OS 2200 cluster, providing an exceptionally high scale-out capacity that allows up to six Dorado hosts to access a shared database. Meanwhile, fully redundant XPC-L4 lock engines provide the availability these systems need to continue operating in the event an XPC-L4 server fails.
When it comes to enabling business continuity, the XTC technology supports non-stop operations for co-located resources by enabling the other host Dorado systems in the cluster to continue operating should one experience a hardware or software failure.
In addition, multiple ClearPath Forward Dorado systems can operate against one shared database, or even access the same record. Each host can also operate against its own private database. This configuration helps to improve capacity, growth, and horizontal scalability while also protecting the integrity of data being updated in a multi-host environment.
The solution’s high-performance fiber interfaces provide low-latency connections between Dorado hosts and the XPC-L4 server, significantly improving locking times. In addition to increased capacity, any required software updates can be installed on each XPC-L4 redundant lock engine independently, without interrupting your operations.
XPC-L4 is available for the following ClearPath Dorado systems:
- ClearPath Forward Dorado 8380 and Dorado 8390 systems
- ClearPath Forward Dorado 6380 and Dorado 6390 systems
- ClearPath Forward Dorado 4380 and Dorado 4390 systems
- ClearPath Dorado 860, Dorado 870, Dorado 880, and Dorado 890 systems
- ClearPath Dorado 4280 and Dorado 4290 systems
For more information about XPC-L4, please contact your local Unisys representative.