Distributed Action Handler 26.3
Distributed Action Handler Help

# MirrorMode

Set `MirrorMode` to `True` if the child servers that the DAH communicates with are identical (that is if the child servers are configured identically and contain identical data). In this configuration, you have multiple identical child servers for load balancing or failover. In mirror mode, DAH can distribute any actions to its child servers.

Set `MirrorMode` to `False` if you are distributing to non-identical instances of child servers. In non-mirror mode, DAH distributes actions to all its child servers, and merges the results. In this case, you can distribute only some Knowledge Discovery actions; for the complete list, see, Knowledge Discovery Actions.

For more information about whether to run your server in mirror mode or non-mirror mode, refer to the DAH Administration Guide.

Type: | Boolean
Default: | True
Required: | No
Configuration Section: | Server
Example: | `MirrorMode=false`
See Also: | VirtualDatabases

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Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery Distributed Action Handler 26.3

Topic Title: MirrorMode