Data Domain: DDOS upgrade Frequently Asked Questions (FAQ)

Summary: This article provides frequently asked questions and solutions for a DDOS upgrade.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Instructions

  1. Q: Does Data Domain Support perform DDOS upgrades?

    A: Data Domain Technical Support does not perform upgrades.

    • Remote Proactive Support (RPS) teams handle upgrades for ProSupport Plus, ProSupport, and Mission Critical (Premium) contracts.
    • Customers with Enhanced or lower support contracts must perform upgrades themselves.
      • Dell Technologies can perform upgrades through a billable Professional Services engagement.
      • Contact your Account Team or DSM for more information.
    • Reference: Remote Proactive: Data Domain Upgrade Overview
  2. Q: What are the steps for a successful DDOS upgrade?
    A: Review upgrade process video: Data Domain & DDVE Data Domain OS Upgrade ">This hyperlink is taking you to a website outside of Dell Technologies.

         Review the steps in the following KB article: Data Domain: Software Versions
  3. Q: What version of DDOS is recommended to upgrade?
    A:
    Upgrade to the Target Code within the release family where practical.

    Target Code releases meet stability and quality standards.
    Reference: Data Domain: Software Versions
  4. Q: Where can I find the installation file for the DDOS upgrade?
    A:
    The DDOS RPM package can be found in the KB article DD OS Software Versions or can be downloaded from Drivers & Downloads for DD
    Guidance: How to Download, Upload, and Verify a DDOS Upgrade RPM.

  5. Q: How can I check the compatibility of the target version with my environment?
    A: Use the Data Domain Compatibility Matrix (aka. E-Lab Navigator) (Log in required)
    It is a customer's responsibility to ensure compatibility.
    Guidance: How to use E‑Lab Navigator to verify compatibility before a DDOS upgrade

  6. Q: Can I upgrade directly between DDOS versions?
    A:
    Modern DDOS versions support a single, direct, upgrade path. Confirm this within the 'Preparing to update' section of the Release Notes.
    A patch release (for example, an MDU patch) may be required to facilitate the direct path upgrade (As above, confirm this in the Release Notes).
    Legacy Data Domain systems supported a maximum two-family hop. For example, to upgrade DDOS 6.1 to 6.4, upgrade 6.1 to 6.2 (or 6.3), then upgrade to 6.4.

  7. Q: Is downtime required for a DDOS upgrade?
    A:
    Yes. All upgrades are offline (disruptive).

    Stop all operations: backups, restores, replication, and cleaning.
    The system reboots during the upgrade process.
  8. Q: How long does a DDOS upgrade take?
    A:
    Duration varies by system size and version.
    Allocate at least four hours of downtime.

  9. Q: Is rollback supported after a DDOS upgrade?
    A: Rollback is NOT supported.
    Downgrade requires USB reinstall and removes data, licenses, and configuration.

    Verify compatibility before upgrading.
  10. Q: Will the upgrade delete my configuration?
    A:
    Configuration remains unchanged.
    Exception: DD Boost user "Maximum Days Between Change" setting may be affected.
    Reference: Data Domain Boost user shows locked status.

  11. Q: Which system should I upgrade first in a replication environment?
    A: Independent: Either system
    One-way: Upgrade target first, then source within 24 hours
    Two-way: Either system first
    Collection replication: Upgrade both simultaneously

  12. Q: What is the impact of a DDOS Upgrade on a replication environment?
    A:
     Systems must remain within two DDOS version families.
    Upgrading within 24 hours is recommended (but optional)

  13. Q: Can I upgrade a Data Domain to two different versions on the same day?
    A: 
    Multi-step upgrades may be required.
    Recommended interval: 24 hours between steps (optional).

  14. Q: How is Target Code determined?
    A:
     Target Code is designated after meeting quality and adoption criteria.
    Typically identified around six months after release

  15. Q: Can DD Boost be upgraded before or after an upgrade?
    A: 
    Yes, if the DD Boost (OST) version is compatible with both versions.
    This upgrade is the customer's responsibility.
    DD Boost upgrade instructions are in the DD Boost Admin Guides available on https://www.dell.com/support

 

Videos

DATA DOMAIN and DDVE Data Domain OS Upgrade

YouTube link DATA DOMAIN & DDVE Data Domain OS Upgrade ">This hyperlink is taking you to a website outside of Dell Technologies.

Affected Products

Data Domain

Products

Data Domain, DD6300 Appliance
Article Properties
Article Number: 000081005
Article Type: How To
Last Modified: 30 يونيو 2026
Version:  10
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