Home > Storage > PowerStore > Databases and Data Analytics > Dell PowerStore Metro Node with Oracle > PowerStore service tags
Metro node identifies PowerStore arrays by service tag and uses service tags during the administration and configuration of metro node. Because metro node uses the PowerStore service tag, for easier administration and configuration, record the PowerStore service tag and array name values of the PowerStore arrays that will be part of the metro node cluster before configuring metro node.
To obtain the PowerStore service tag of a PowerStore array, perform the following on all PowerStore arrays that will be used by a metro node cluster: