PowerProtect Data Manager：虚拟机备份完成，但报告 CBT 异常

Summary: PowerProtect Data Manager (PPDM)：虚拟机 （VM） 备份完成，但报告更改数据块跟踪 （CBT） 和连接相关的异常。

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Symptoms

备份成功完成，但报告以下异常：

BackupVmSessions-7953fa47-464c-4e1a-bd9e-c75dba550cb5.log.gz: 2023-04-11T12:21:59.646Z ERROR: [a7f64e4e66eb12ea;a034f4655187aa6c] Unable to open source VMDK '[xxxx-000002.vmdk'. VDDK Error: 14009: The server refused connection.
BackupVmSessions-7953fa47-464c-4e1a-bd9e-c75dba550cb5.log.gz: 2023-04-11T12:21:59.646Z ERROR: [a7f64e4e66eb12ea;a034f4655187aa6c] Unable to query allocated blocks of virtual disk '[xxxx-000002.vmdk'.
BackupVmSessions-7953fa47-464c-4e1a-bd9e-c75dba550cb5.log.gz: 2023-04-11T12:21:59.646Z ERROR: [a7f64e4e66eb12ea;a034f4655187aa6c] Unable to collect list of allocated blocks for 'Hard disk 1'.
BackupVmSessions-7953fa47-464c-4e1a-bd9e-c75dba550cb5.log.gz: 2023-04-11T12:21:59.646Z WARN: [a7f64e4e66eb12ea;a034f4655187aa6c] Unable to collect list of allocated blocks for 'Hard disk 1'. Unable to query allocated blocks of virtual disk '[xxxx-000002.vmdk'. Unable to open source VMDK '[xxxx-000002.vmdk'. VDDK Error: 14009: The server refused connection.
BackupVmSessions-7953fa47-464c-4e1a-bd9e-c75dba550cb5.log.gz: 2023-04-11T12:21:59.646Z NOTICE: [a7f64e4e66eb12ea;a034f4655187aa6c] Used Block metadata is not available for "Hard disk 1".
BackupVmSessions-7953fa47-464c-4e1a-bd9e-c75dba550cb5.log.gz: 2023-04-11T12:21:59.651Z TRACE: [a7f64e4e66eb12ea;a034f4655187aa6c] Examining datastore Datastore:datastore-69, type 'VMFS'.
BackupVmSessions-7953fa47-464c-4e1a-bd9e-c75dba550cb5.log.gz: 2023-04-11T12:21:59.651Z WARN: [a7f64e4e66eb12ea;a034f4655187aa6c] CBT data not available: Synthesizing used block list to cover entire logical disk.
BackupVmSessions-7953fa47-464c-4e1a-bd9e-c75dba550cb5.log.gz: 2023-04-11T12:21:59.651Z NOTICE: [a7f64e4e66eb12ea;a034f4655187aa6c] Used bytes = 107374182400, changed bytes = 2071789568, change rate = 001.93%.

 

Cause

保护引擎 （vProxy） 无法与相关 VMware ESXi 服务器的端口 902 通信。

Resolution

确保保护引擎 （vProxy） 可以与 VMware ESXi 服务器的端口 902 通信。 

Affected Products

PowerProtect Data Manager, PowerProtect Software
Article Properties
Article Number: 000212665
Article Type: Solution
Last Modified: 19 Sept 2025
Version:  3
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