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Chapter 3 - System Components <br />12.9 INFORM CAD CITRIX USER TROUBLESHOOTING <br />Citrix users should be trained on how to utilize the Citrix Connection Center to manage problems with their <br />Citrix session. This can be accessed from the Citrix icon in the Windows tray. <br />Inform CAD and Inform Mobile Systems have a variety of options for deploying back-up and Disaster Recovery. <br />For Inform CAD, these include 1) for Stratus customers, the use of the Active Service Architecture; 2) on -site <br />Hot Standby Servers; and remote Disaster Recovery Systems. Mobile can be configured with a remote Disaster <br />Recovery site option that can be managed manually by the System Administrator or have automated updates <br />through TriTech approved Disaster Recovery Software. <br />13.1 STRATUS ACTIVE SERVICE ARCHITECTURE <br />Note: This information includes proprietary information from Stratus Technologies. <br />Newer models of Stratus can be ordered with an optional Active Service Architecture from Stratus that allows for <br />Active Upgrade. This process allows a system administrator to "split' the two operating Stratus slices while <br />continuing to operate the system. As noted in the following diagram, one slice continues to operate and updates <br />system databases. The offline slice can have OS and firmware updates performed. <br />Note: SQL Server updates are not recommended as these may impact database formats and may cause problems <br />when the data is resynchronized. While many OS updates can be performed (patches, service packs or versions), <br />some changes by Microsoft can require Stratus firmware updates. Whether you use Active Update or not, always <br />consult with Stratus regarding OS updates prior to implementing them on your system. <br />When the split occurs between the slices, Inform CAD does not need to be taken down. Users can continue to <br />operate. During this time, the Stratus system is not fault tolerant. Therefore, System Administrators should limit <br />the time planned for the system to run in this mode. This is illustrated in the diagram below: <br />Straws Active Service Architecture- System Split <br />Upgrade side is updated <br />-- —Stale ®an <br />0 <br />_., <br />R <br />R <br />IiVe Data <br />Production Side continues <br />normal processing <br />The contents of this material are confidential and proprietary to TriTech Software Systems, Inc, and may not be reproduced, <br />published or disclosed to others without the prior written consent of TriTech Software Systems, Inc. <br />©2015 TriTech Software Systems <br />