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26 CHAPTER 3: OPERATION
Manual Switchover You can manually switch either server to the active or standby state,
provided that you have root privileges.
1 In a command window, enter this command:
xattach app
2 In the screen that appears, click one of these two items to command the
system to switch state:
■ Scripts/Spawn vssu_active
■ Scripts/Spawn vssu_stanby
3 In the Intelligent Mirroring Status window, verify that the state changes
appear immediately.
4 In the Message window, verify that the messages indicate the progress of
the switchover.
Example:
The following message window sequence is typical when you command
the active server to go to standby mode:
../app_ss.c:137 Request to become standby
../app_ss.c:193 Remote end has requested to become active
Shutdown from msg4
This side is standby
VSSI_STNDBY vm_nanch=29028
Verifying Server
Synchronization
You can verify that the databases and the file systems on the Primary and
Secondary Servers are synchronized.
Database To verify database synchronization, at the command line, enter this
command:
tblcmp
If the databases are synchronized, you see this message:
Tables are identical