Microsoft App Agent

本文介绍与 Baseboard Management Controller （BMC）（在基于 Dell PowerEdge 的平台上也称为 iDRAC）相关的警报的原因和解决方案。BMC 是一款嵌入式控制器，用于监视系统运行状况参数，例如温度、风扇速度、电源状态和电压。当 BMC 变得无响应或出现故障时，Data Domain 系统将生成警报。

此知识库文章介绍了 DD PCR 在压缩后报告大于 DD 文件系统活动层大小的 MTree 的症状。

安全扫描脚本和应用程序可能会对 Data Domain 系统性能产生重大影响。

本文提供有关以下错误的信息：此系统上已启用 DD Retention Lock Compliance 模式。许可证修改需要安全监察官凭据，并且只能通过命令行界面执行。

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

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.

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."

DD Boost device is Marked as suspect, which result in backups not progressing. And Mounting and Unmounting operation for the device fails.

Data Domain 系统可能会因严重的、未识别的硬件故障而遇到意外重新启动。此事件记录为 EVT-ENVIRONMENT-00051，表示一个或多个机箱组件出现故障，通常与不确定的电压异常相关。

本知识库文章介绍如何对内存警报进行故障处理，包括如何识别需要更换的故障 DIMM。

Determining the filesystem cleaning schedule and setting the schedule

Encountered a clone failure issue due to running out of space on the destination DD system. In the DD logs, the error message "filecopy failed for... errno=28, errstr=No space left on device" indicates that the destination DD system has run out of space while attempting to copy the file Similarly, the log message "MSG-CM-00002: ... out of space" further confirms that the container set on the destination DD system has run out of space.

如何生成访问密钥和 PIN 以在 DDVE 上配置 Support Assist

NetWorker: Backup fails with "Err: 5955-nfs setattr failed (NFS: Illegal minimum retention time)" when DD Retention Lock enabled

本知识库文章介绍如何在 IBM System i 上重新启动 （IPL） IOP。

Oracle Database backups succeed with a single channel (NMDA default script) but fail with four channels due to Data Domain timeouts.

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.

如何由于到期（或配置错误）而重置或重新生成证书。

在实时 DDVE 上截取快照/备份实时 DDVE 虚拟机。

从 NetWorker Management Console （NMC） 执行的 vProxy 映像级还原可能会失败，并显示“ERROR：[156] ddp_connect_with_config（） failed，Hostname： <Data-Domain-Name>“恢复结果”页面中显示的其他文件。

如何调回已迁移到 Data Domain Cloud Tier 的备份。

本文介绍在 Data Domain 系统上使用 NetWorker 和 NMM 进行 Microsoft SQL 条带化备份的复制和恢复性能不佳的问题。发生此问题的原因是 SQL VDI 条带化会导致数据存储碎片化。将 NMM 升级到版本 8.2.1.4 或更高版本并在 SQL Server 上应用特定的注册表设置可优化 VDI 数据处理并提高 Data Domain 重复数据消除效率。

本文介绍了尝试从磁盘中删除旧备份文件后的错误，以及如何从中恢复。

本文概述了如何在“我的帐户”中访问您的 Data Domain 转型许可协议 （TLA） |戴尔软件许可证。

This article provides information about the Replication Version Compatibility Matrix. It provides information about supported replication (MTree, directory, collection, and delta) for different configurations per Data Domain operating system versions.

A Data Domain was removed without removing associated backups from Avamar, causing hfscheck to fail with MSG_ERR_DDR_ERROR due to the nonexistent ddrindex.

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.

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.

本文介绍如何在备份、恢复和克隆操作期间将 NetWorker 会话和存储集与 Data Domain （DD） 流活动关联。

在 DDOS 7.9 或更高版本中，用户在访问使用带有 output-file 选项的“filesys report generate file-location”命令生成的文件系统位置报告时遇到权限错误。发生这种情况是因为输出保存在具有限制性权限的新目录中。