Data Domain

This document highlights minimum, recommended, and latest code versions for Dell Technologies Enterprise and Datacenter Infrastructure products. We carefully evaluate and monitor code deployment data to ensure that product releases meet our stringent expectations to provide our customers with reliable products and solutions.

Veeam UI Displays Different Capacity Values When Data Domain Hard Limit Quota is Configured and Enabled.

When attempting to create a Cloud Tier (CT) device for a newly added cloud unit, the process fails with the error "Unable to create the data movement policy for mtree **** and cloud unit ***. HTTP response 500 indicates an error." This issue is caused by stale or incorrect configuration values in the Data Domain properties within NetWorker Management Console (NMC).

After upgrading Solaris to 11.4 SRU 78 or later, DDBoost Solaris clients stop using Distributed Segment Processing (DSP), also known as client‑side deduplication. Resulting in increased network usage and slower backup performance. The issue is caused by an OpenSSL upgrade (1.x to 3.0) that prevents the DDBoost plugin from correctly detecting Solaris system capabilities.

This article explains how to access a Data Domain system over windows using IPMI.

This article describes the purpose of the writev_nospace statistic and explains scenarios where the Data Domain File System (DDFS) may restart due to TCP send‑buffer exhaustion. It also outlines contributing factors, troubleshooting guidance, and potential mitigations.

This page features core documents produced by Dell Content Engineering and Translation (CE&T) team for the Dell PowerProtect Data Domain products.

When upgrading DDOS, Data Domain systems may report a firmware mismatch alert indicating that the current firmware version is not certified for the installed DDOS version.

This KB provides links to the most referenced Dell Knowledge Base articles related to issues with Data Domain Serial Attached SCSI (SAS) components. Common SAS components are Host Bus Adapters (HBAs), Disk Array Enclosures (DAEs), and cabling.

To create a local console connection to the DD3300 system through the rear serial port.

This article explains the support, behavior, and limitations of using Low-Bandwidth Optimization with MTree replication on Data Domain systems.

This KB article provides guidance on finding the slot mapping for Data Domain systems.

This article provides best practices and configuration guidelines for applications with the Data Domain DD Boost File System Plug-In (BoostFS). In addition, the article contains insights and tips on how the application should be configured to maximize all the benefits of BoostFS.

This article explains how to manage storage capacity on a Data Domain (DD) system when backups are written by other Dell-EMC products such as Avamar or NetWorker. It outlines which system is responsible for data retention, expiration, and deletion, and provides references to product‑specific guidance.

Avamar image backups to Data Domain (DD) fail with avtar errors 10542, 10509, 10630, 8941 due to proxies not in Data Domain Boost (DD Boost) access list; add proxy clients via ddboost access add clients command.

This article serves to assist on issues encountered with failed DDOS login or access.

Data Domain sysadmin/SO password resets no longer require Support intervention when running DDOS (7.10.1.40 or newer). A password reset token is sent to the registered email address. Copy the token to a supported USB drive, insert it into the system, and log in as sysadmin or security officer to reset the password.

When the https or "ca trusted-ca" certificate expires on a Data Domain, it causes issues when trying to access the web UI. Generating a new certificate resolves the issue.

This article explains why the SNMPtrapd service should be kept as disabled and how to confirm that it is disabled.

This article describes NetBackup command‑line tools that can be used to validate Virtual Tape Library (VTL) functionality during initial configuration or when troubleshooting potential device issues. These commands allow testing outside of the NetBackup UI to confirm device visibility, robot behavior, drive loading, and tape operations.

This article explains how to enable debug logging in the avtier component on an Avamar Utility Node. The avtier binary is responsible for selecting and initiating the movement of marked Avamar backups to the Data Domain (DD) Cloud Tier. Enabling debug mode provides deeper insight into backup selection and filtering behavior during Cloud Tier processing.

This article explains how to determine whether running a filesystem cleaning operation on a Data Domain system will reclaim usable space. Cleaning removes physical storage consumed by deleted data that is not being referenced and has not yet been reclaimed by the system.

Data Domain (DD) displays a critical alert indicating that a tier of storage is unavailable - for example, "The Active tier is unavailable."

This article explains how to determine whether a "Power supply has failed" alert on a Data Domain Head Unit is valid or a false positive. It also provides steps to clear persistent indictments and verify Power Supply Unit (PSU) status.

The Support Channel determines how a Data Domain system delivers Autosupports, alert summaries, and real‑time alerts to Dell Support. By default, delivery is over email (SMTP). This article helps you diagnose and fix Autosupport delivery failures when using email.

This article provides download links and status information for current PowerProtect Data Domain Operating System (DDOS) releases, including feature and Long‑Term Support (LTS) versions. It also outlines upgrade considerations, documentation references, and supported platforms.

This article explains how DD Boost can enforce the use of Dynamic Interface Group (DIG) interfaces for backup and recovery traffic. When interface enforcement is enabled, DD Boost sessions must use a DIG interface, and not fall back to the connecting interface.

This article provides information about how to disable IPv6 on Data Domain systems; ipv6 is enabled by default, customers may have a requirement to have it disabled.

This article provides a clear, model‑by‑model breakdown of the recommended BIOS and iDRAC firmware versions for each supported DDOS release across the DD series platforms. It is designed to help you quickly confirm which firmware levels align with your system’s DDOS version, reduce compatibility issues, and ensure your environment stays stable, secure, and fully supported. Use the tables below to find the right BIOS and iDRAC versions for your specific DD model in seconds.

This KB article highlights the steps to use the Data Domain Automated TC Script, to extract the needed logs for the Automated Pre-Upgrade Assessment.