PaSTA System Requirement Overview

PaSTA is a Windows .Net client application that connects and synchronizes with multiple data stores, and has 3 main physical sections: PaSTA client program, PaSTA database, PaSTA application services and interface (which includes the Web service, Monitor, Exporter, and Message Processor Windows services). These sections can be arranged in any suitable physical configuration provided there is connectivity between them. PaSTA is a high demand, high availability application that depends greatly on how many work centers and users are involved. Customers will want to consider this in planning the PaSTA hardware setup.

PaSTA Application Server Requirements

The PaSTA Application server runs windows and web services in order for the CMMS system (Maximo, SAP, etc.) to communicate with the PaSTA Database. This needs to be a Microsoft Windows Server with an OS within Microsoft support.  It will also need to be running IIS 6.0 or newer for the Web Services. It can share a machine with other processes if necessary. This is not a high end machine and could easily be a VM. It is recommended that this machine is NOT one of the Citrix boxes (if using). It can, however, be the PaSTA database server. This may not be desirable for security reasons. PaSTA Services have the capability to work in cluster environments.

Citrix Farm or Other Digital Workspace

Each Citrix box (or other shared workspace system) should be able to handle 30-50 users comfortably. Higher end machines (more CPU / RAM) will be able to handle more capacity. It is recommended that these machines be 64 bit Windows Server 2012 R2 installations or newer with at least 32GB of RAM. Given that larger amounts of RAM are much cheaper than full machines, PRO recommends going with as much RAM as can be budgeted.

Client Machines

If Citrix (or some other virtual desktop technology), then minimum requirements will be according to the environment. If PaSTA is not using a virtual desktop but is having the client connect directly to the database, the requirements are listed below.