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Hi Ashwin, PI SDK never connects to servers with a priority of -1. By default, the primary PI Server has priority set to 1. Please check buffer configuration if it is set to write to both the servers.
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The expected buffering behavior is the following:
BUFFERED (as configured by Buffering Manager) Priority (in the Known Servers Table) PI Buffer Subsystem Behavior Not set -1 Will not buffer to this server Not set 1 or 2 or not set Will buffer to this server 1 -1 Will buffer to this server 1 1 or 2 or not set Will buffer to this server 0 -1 Will not buffer to this server 0 1 or 2 or not set Will not buffer to this server
Also, technically the primary is not always given a default priority of 1. The default priorities are determined by the order the member was added to the collective. In most cases, this is the primary, as a new collective configuration must always be made from the primary. However, if the over time other members get promoted, then this default priority for the primary member may not always be 1. See known issue 107074 for more details.
Thanks Chen for detailed information, this is what I am looking for.
With Best Regards,