# Step 1: Download the Pentaho Data Optimizer Management Pack

Follow the steps below to download the Data Optimizer mpack for Apache Ambari and verify the integrity of the files. This task assumes you know how to calculate an MD5 checksum.

1. Download the Pentaho Data Optimizer mpack for Ambari from the [Support Portal](https://support.pentaho.com/hc/en-us):

   `pdso-mpack-1.0.0.0.tar.gz`
2. As a best practice, verify the downloaded content.
   1. Calculate the MD5 checksum of the downloaded file.
   2. Compare it to the MD5 checksum provided on the software download page.
   3. Ensure the two values are the same. If the two values are not the same, check your download or contact [Support Portal](https://support.pentaho.com/hc/en-us) to ensure you have the correct file.


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# 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/pdc-10.2-data-optimizer/pdso-install-landing-page/pdso-install-in-hadoop-cluster/pdso-install-landing-page-hadoop-installation/installing-data-storage-optimizer-on-apache-ambari-cluster/step-1-download-the-pdso-management-pack-hadoop-installation.md?ask=<question>
```

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.