# HDFS Your Hadoop administrator should be able to provide this information: * Hostname/IP address, Namenode Port and Namenode Web Console Port * Paths to directories that will be used * Owners for the various data sets in HDFS * If S3 is used, you'll need the access key and secret key You will also need permission to access to the directories you need. --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://docs.pentaho.com/install/9.3-install/use-hadoop-with-pentaho/get-started-with-hadoop-and-pdi/before-you-begin-get-started-with-hadoop-and-pdi/hadoop-connection-and-access-information-list/optional-services/hdfs.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.