Phase 1: Updating Server_2 - Siemens SIMATIC PCS 7 Function Manual

Failure, Switchover and Return of Fault-tolerant Components
6.10 Guidelines for updating a redundant OS in runtime
Phase
Phase 4:
Updating the
OS clients
which are
interconnected
with
Server_1
Phase 5:
Updating
Server_1
Result
When you have completed all the steps, your system has the following status:
● Updated Server_1 is standby server.
● Updated Server_2 is master server.
● Updated Client_1 is connected to its preferred server Server_1.
● Updated Client_2 is connected to its preferred server Server_2.
The updating of your redundant operator stations is complete.
6.10.3

Phase 1: Updating Server_2

Introduction
In the first phase, you update redundant Server_2. In this way, you avoid an unnecessary
failover for OS clients that have no preferred server configured.
You can find additional information about redundancy synchronization in
System > Configurations > Redundant Systems .
196
Step
1. Client_1: Deactivate and exit WinCC
2. Client_1:
Backup of the PCS 7 project
backup of the operating system and of the PCS 7 software installation
3. Client_1: Installation or update of the operating system, PCS 7 Installation "OS
client"
4. ES: Download of OS target system
5. Client_1: Selecting the operability of the clients
1. Server_1: Deactivate and exit WinCC
2. Client_1: Activate
3. Server_1:
Backup of the PCS 7 project
backup of the operating system and of the PCS 7 software installation
4. Server_1: Installation or update of the operating system, PCS 7 Installation "OS
server"
5. ES: Download OS connection data and OS target system
6. Server_1: Start WinCC
7. Server_1: Check and save the "Redundancy" dialog box
8. Server_1: Check and save the "Time Synchronization" dialog box
9. Server_1: Activate WinCC Runtime
10. Other redundant OS server pairs:
Carry out Phase 5: Steps 1 to 9
11. ES: Starting SIMATIC PDM.
WinCC Information
Fault-tolerant Process Control Systems (V8.0)
Function Manual, 03/2012, A5E02779471-02