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.

This article describes the cause of and resolution for the alert "EVT-STORAGE-00025: Current cache tier size is less than what the system is licensed for".

Dell PowerProtect Data Domain remediation is available for multiple security vulnerabilities that could be exploited by malicious users to compromise the affected system.

The DD File System (DDFS) automatically disables itself as a safeguard when the system sees an environmental condition is not good and it sees a critical alert on enclosure 1

This article lists all the requirements and provides a step-by-step procedure to configure DD Boost Fibre Channel (DFC) disk type devices in AIX with MultiPath I/O (MPIO).

The purpose of this guide is to detail the procedure of updating firmware on the DD3300.

DB2 schedule backup failing with Vendor error: rc = 25 returned from function sqluvput due DD to timeout

This document discusses hardware monitoring performed on DD3300 with hardware monitoring processes and ensure that alerts are reported on DD3300.

This article provides general best practice steps to prepare NetWorker for a Data Domain IP address change.

The DD3300 model is based on the Dell PowerEdge R740xd server platform. This article is intended to distinguish between the supported and unsupported options provided on this platform.

This article describes how to copy files to and from /ddvar using Secure Copy Protocol (SCP). It provides examples for workstations running both Linux (through SCP command) and Windows (by using powershell or pscp.exe).

Starting with Data Domain releases from April 2026, updates have been introduced to iDRAC operator user behavior as part of Dell’s ongoing security enhancements. These updates help protect your system by preventing prolonged or unauthorized privileged access, while continuing to ensure full supportability. When maintenance that requires elevated access is necessary, Dell Support will follow established and approved procedures and will return the system to a compliant and secure state once the work is complete.

The primary focus for this article is to troubleshoot an interface down, multiple interfaces down, an intermittent interface, and a bad network card. Replacing parts should be the last step in resolving interface down issues. Troubleshooting these issues first such as reviewing the switch side, may lead to the quickest resolution.

This article explains how to use the Data Domain CLI to dump the file and directory listings for individual MTrees or for the file system (FS) as a whole.

This article explains how to reset the data movement "app-managed" policy on Avamar with DDOS 6.0 using the DDOS REST API.

Cloud deployed DDVE performance decrease if there are any errors on object-store/account. In cloud environments DDVE depend on the cloud infrastructure, cause of slowness or latency must be nailed down. This doc offers some starting points for the investigation.

The Data Domain Operating System (DDOS) can be upgraded by following the instructions in this KB article.

This article provides estimates on scheduling lead time when booking RPS upgrades.

Access detailed installation, upgrade, and maintenance guides for Dell PowerProtect and Data Domain hardware, including models DD6300, DD6900, DD9900, and more

This article explains the procedure to open a Service Request (SR) using the Dell support page. Get help fast for your Dell device. No more waiting on hold. No more tech headaches. Dell makes it simple to fix problems, schedule repairs, or get support—right from your device or our support website.

This article consists of an overview of Data Domain retention lock (RL) functionality and explains the differences between configuration and utilization of governance and compliance mode.

This article describes how to safely shut down (and restart) an Avamar system for maintenance purposes.

Known issues with the CIFS protocol after upgrading a Data Domain Restorer (DDR) to Data Domain Operating System (DDOS) version 5.7

This article describes how to assist with issues relating to high space usage or a lack of available capacity on Data Domains.

Unable to register a Data Domain at the Data Protection Central (DPC) console.

This article addresses the failure of the CMOS or system battery within a Data Domain. Alert Posted (EVT-ENVIRONMENT-00032) on Data Domain systems indicate the Storage Processor (SP) has failed. Additional information within the posted alert notification indicates the cause as "Coin cell battery failed."

Avamar - Backup Failure to DataDomain due to DDR_GET_AUTH_TOKEN due to too many IP addresses

EVT-MPATH-00005: The number of active paths to a disk has decreased. Multipath redundancy has been lost unless there is more than one connection path.

On Data Domain models DD6300, DD6800, DD9300, DD9500, and DD9800, exposing the EthMa management interface to backup or broadcast traffic can cause the Baseboard Management Controller (BMC) to enter a persistent hung state. This issue is linked to excessive broadcast traffic overwhelming the BMC’s limited TCP/IP stack.

DataDomain clean (GC) is scheduled to run on particular days and times. In more recent DDOS versions, when there is any such schedule and, for any reason, the clean process cannot be started, this is noticed by the system monitoring daemon, which raises an alert.