Siemens SIMATIC PCS 7 Function Manual page 6

Table of contents
6.4 OS server.............................................................................................................................196
6.4.1 Failure, failover and restarting of redundant OS servers.....................................................196
6.5 BATCH Server.....................................................................................................................201
6.5.1 Reaction of BATCH servers to failure..................................................................................201
6.6 Route Control server............................................................................................................202
6.6.1 Reaction of Route Control servers to failure........................................................................202
6.7 OS clients.............................................................................................................................204
6.7.1 Failover reactions of OS clients with permanent operability................................................204
6.8 BATCH clients......................................................................................................................206
6.8.1 Failover reactions of BATCH clients....................................................................................206
6.9 Route Control clients............................................................................................................207
6.9.1 Failover reaction of Route Control clients............................................................................207
6.10 Guidelines for updating a redundant OS in runtime.............................................................208
6.10.1 Introduction..........................................................................................................................208
6.10.2 Overview of the required tasks.............................................................................................210
6.10.3 Phase 1: Updating Server_2................................................................................................214
6.10.4 Phase 2: Updating OS clients interconnected with Server_2...............................................217
6.10.5 Phase 3: Downloading the connections, gateways and changes to the AS........................219
6.10.6 Phase 4: Updating the OS clients interconnected with Server_1.........................................220
6.10.7 Phase 5: Updating Server_2................................................................................................222
6.11 Guide to updating a redundant BATCH server in runtime....................................................226
6.11.1 Software update (migration).................................................................................................226
6.12 Guide to updating a redundant Route Control server in runtime..........................................227
6.12.1 Updating a redundant Route Control server in runtime........................................................227
7 Diagnostics...............................................................................................................................................229
7.1 Advanced self-diagnostics of communication connections..................................................230
7.2 State of redundant operator stations in diagnostic pictures.................................................232
Index.........................................................................................................................................................233
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Fault-tolerant Process Control Systems (V8.1)
Function Manual, 11/2014, A5E34878832-AA