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Buffered ServersThe Buffered Servers section allows you to define the PI Servers or PI Collective that the buffering application writes data. PIBufssPIBufss buffers data only to a single PI Server or a PI Collective. Select the PI Server or the PI Collective from the Buffering to collective/server drop down list box. The following screen shows that PIBufss is configured to write data to a standalone PI Server named starlight. Notice that the Replicate data to all collective member nodes check box is disabled because this PI Server is not part of a collective. (PIBufss automatically detects whether a PI Server is part of a collective.) 
The following screen shows that PIBufss is configured to write data to a PI Collective named admiral. By default, PIBufss replicates data to all collective members. That is, it provides n-way buffering. You can override this option by not checking the Replicate data to all collective member nodes check box. Then, uncheck (or check) the PI Server collective members as desired. 
BufservBufserv buffers data to a standalone PI Server, or to multiple standalone PI Servers. (If you want to buffer to multiple PI Servers that are part of a PI Collective, you should use PIBufss.) If the PI Server to which you want Buferv to buffer data is not in the Server list, enter its name in the Add a server box and click the Add Server button. This PI Server name must be identical to the API Hostname entry: 
The following screen shows that Bufserv is configured to write to a standalone PI Server named etamp390. You use this configuration when all the interfaces on the Interface Node write data to etamp390. 
The following screen shows that Bufserv is configured to write to two standalone PI Servers, one named etamp390 and the other one named starlight. You use this configuration when some of the interfaces on the Interface Node write data to etamp390 and some write to starlight. 
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