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.

This article provides best practices for shutting down and rebooting the Data Domain safely using the web interface or command-line interface (CLI).

This article describes the mapping between DDVE feature names and their corresponding feature IDs used in licensing files and ELMS operations. It clarifies how these IDs appear in commands such as elicense show and elicense checkout for capacity, Cloud Tier, DD Boost, encryption, and replication features.

This article explains cloud tier cleaning and garbage collection for long term retention in DDOS 6.0 and later, including how cloud units operate, how cleaning is scheduled, throttled, and triggered, and the differences between active tier and cloud tier cleaning processes.

This article explains that DD Boost does not support LDAP authentication and requires local users to access storage units. It describes how to create local users, assign them to DD Boost, and map them to specific storage units.

Increasing the CIFS log level of the system will help capture additional information to help trouble-shoot the issue.

This article covers the basics of how to check the NIC physical connectivity and configuration in DDOS to ensure that the CIFS or NFS share is available on the network.

This article addresses questions about accessing raw file system data from a Data Domain.

This article explains how to address the error "Security authorization policy must be enabled to perform this action" appearing while trying to change the system passphrase.

The article describes why the DD OS upgrade fails during initialization phase of replication with the message "WARNING: Replication initialization is in progress, and upgrade cannot proceed."

This article explains how to perform Data Domain power management using Intelligent Platform Management Interface (IPMI) between the IPMI source and IPMI remote host.

This article describes how to verify if an unexpected event has generated a process or kernel core file on a Data Domain. It also provides instructions for locating the corresponding file and uploading it for analysis by Data Domain support and engineering.

This article outlines the certificate requirements for enabling the Cloud Tier feature on Data Domain systems using Google Cloud Storage. The guidance applies to systems deployed on physical hardware or on-premises virtual platforms running DDOS 6.2 or later.

This article provides tables of supported stream counts for Data Domain OS (DDOS) 6.0 by Data Domain System Model.

vProxy Image level restores done from the NetWorker Management Console (NMC) may fail with "ERROR: [156] ddp_connect_with_config() failed,Hostname: <Data-Domain-Name>" seen from the "Recovery Results" page.

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

Data Domain OS may fail to enable the file system or the archive unit if large number of disk devices are attached to system. Other symptoms include disks being in "foreign" state even after rebooting, and the reboot process itself may take too long.

How to reset the iDRAC Password and Configuration on relevant Data Domain systems.

This article shows how to reset the DD3300 iDRAC password remotely with a bash command.

This article explains how to validate the passphrase on a Data Domain system, without changing it, when preparing for operations such as a controller upgrade, head swap, or when verifying against passphrases used on other systems.

How to recall backups that were migrated to Data Domain Cloud Tier.

This article explains the process for using a new encryption key.

This article describes a known issue which can prevent Oracle RMAN from restoring backups from an NFS share if that NFS share points to a replication destination on a Data Domain restorer.

Getting 'Error initializing lsu' when trying to add DD to the Avamar grid.

PowerProtect DD System Manager (DDSM) and Data Domain Management Server (DDMC) access fails with AD Authentication

This article explains the poor replication and recovery performance of Microsoft SQL striped backups using NetWorker and NMM on Data Domain systems. The issue occurs because SQL VDI striping causes fragmented data storage. Upgrading NMM to version 8.2.1.4 or later and applying specific registry settings on the SQL server optimizes VDI data handling and improves Data Domain deduplication efficiency.

Cloud Garbage Collection (GC) FAQ

The article describes how to configure the mtree replication using UI.

This article describes the conditions that trigger the 'NVRAMHardwareFailure' alert on Data Domain systems and outlines the required resolution steps.