PowerProtect Data Manager SQL Server 备份在多次重新启动后失败

Summary: PowerProtect Data Manager （PPDM） SQL Server 备份在多次重新启动后也失败。

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Symptoms

受影响主机的 PowerProtect Data Manager 日志中反映了错误的主机名，而 SQL 端的主机名则不同。

已检查所报告主机的 SQL 配置，它们都显示为正常。

运行保护策略备份失败，并显示以下错误消息： 
ABA0002 - Unknown host “XXXXX”
PowerProtect Data Manager 日志中的错误消息： 
2023-07-22T07:22:33.950Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]163851  ddbmsqlsv PowerProtect Data Manager info Set the client for federated worker process
2023-07-22T07:22:35.382Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]28848  ddbmsqlsv PowerProtect Data Manager error Unknown host “XXXXXX”
2023-07-22T07:22:35.382Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]43709  ddbmsqlsv PowerProtect Data Manager notice Stop time: Sat Jul 22 10:22:35 2023
PowerProtect Data Manager UI 中针对相应 SQL 备份作业的错误消息： 
ABA0002: XXXXXX: Unable to backup MICROSOFT_SQL_DATABASE asset XXXXXXXXXX  on host "XXXXXXX" to storage target SQL because of an agent issue.
The protection policy backup was unsuccessful because of an agent issue.
Review the error message for a resolution. If there is no resolution, and the issue persists, contact Dell Customer Support.
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The protection policy backup was unsuccessful because the Agent failed with the following error: 023-07-22T07:22:33.637Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]43708 ddbmsqlsv PowerProtect Data Manager notice Start time: Sat Jul 22 10:22:33 2023 2023-07-22T07:22:33.637Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]153897 ddbmsqlsv PowerProtect Data Manager notice Computer name: XXXXXX User name: XXXXXX   2023-07-22T07:22:33.793Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]163849 ddbmsqlsv PowerProtect Data Manager info Setting federated worker process=true 2023-07-22T07:22:33.793Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]163850 ddbmsqlsv PowerProtect Data Manager info Setting Index name for federated worker process 2023-07-22T07:22:33.950Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]163851 ddbmsqlsv PowerProtect Data Manager info Set the client for federated worker process 2023-07-22T07:22:35.382Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]28848 ddbmsqlsv PowerProtect Data Manager error Unknown host XXXXXXX  2023-07-22T07:22:35.382Z [TRACE_ID:b751d18e694a3827;EXEC_ID:a0e61b27c6dc433d]43709 ddbmsqlsv PowerProtect Data Manager notice 

Cause

日志文件中找到的主机名与实际主机名不同。

此问题是由于此主机的 nslookup 未得到解决而导致的客户端行为。

对日志文件中记录的有问题的主机名运行了 nslookup，并且该主机名无法解析。此问题是由于客户端行为和基础架构造成的。

Resolution

PowerProtect Data Manager 管理员必须联系 Windows 或网络管理员，以解决有问题的主机的名称解析和通信问题。修复主机名问题并且可通过执行 nslookup 解析主机名后，运行主机的保护策略并在主机上启动手动备份。

Affected Products

PowerProtect Data Protection Software, PowerProtect Data Protection Hardware
Article Properties
Article Number: 000218344
Article Type: Solution
Last Modified: 30 Apr 2025
Version:  3
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