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The index server indexes and classifies documents and answers search queries. These indexes are stored in the relevant directories. If the location of the directories are altered, then the SAP TREX engine server may not be able to retrieve the indexes available in those directories. This in turn, may affect the search capabilities of the SAP TREX search engine server. Therefore, it is necessary to keep a constant vigil on the number of indexes that are present in the location that is other than the default directory. The TrexConfChkExtTest test helps administrators in this regard.

This test monitors the number of indexes that were available in a location other than the location of the default directory. In addition, this test reports the total number of indexes in the directory and the indexes that are valid.

Outputs of the test : One set of results for the target SAP TREX server being monitored.

Measurement	Description	Measurement Unit	Interpretation
corruptIndices	Indicates the number of indexes that were inconsistent i.e., stored in a different base path location as against the location where the data resides.	Number	If the indexes are corrupted/inconsistent, then the indexes should be recreated in order to be accessed. Therefore, if too many indexes are corrupted/inconsistent, then the performance of the TREX server would be affected. The detailed diagnosis of this measure lists the name of the indexes that were inconsistent, the namespace corresponding to the indexes etc.
OKIndices	Indicates the number of indexes with the correct base path and namespace location.	Number	A high value is desired for this measure.
totalIndices	Indicates the total number of indexes stored on the disk.	Number