# Overview

This tutorial reviews different storage options available in <code class="expression">space.vars.product\_name</code>, and the use cases for each.

## PCD Storage Options At A Glance

There are currently **two** storage options available in <code class="expression">space.vars.product\_name</code>: ephemeral storage & block storage.

## Ephemeral Storage

This is the default <code class="expression">space.vars.product\_name</code> storage option used for creating VMs. Virtual machines are typically created with at least one ephemeral disk which is used to run the VM guest operating system and boot partition.

An ephemeral disk is deleted when the virtual machine is deleted.

Read more here about [Storage Overview1sq](/private-cloud-director/2025.2/storage/storage-overview1sq.md).

## Block Storage

Block storage support in <code class="expression">space.vars.product\_name</code> enables use of persistent block storage volumes with virtual machines. This is the most popular and recommended way configure storage for your production virtual machines. Block storage volumes persist even when the VMs they are attached to are deleted.

Read more here about [Block Storage](/private-cloud-director/2025.2/storage/block-storage-options---configuration.md) support in <code class="expression">space.vars.product\_acronym</code>.


---

# 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.platform9.com/private-cloud-director/2025.2/storage/storage-overview.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.