Avamar：Hyper-V CSV 备份失败并显示“CSV 未联机”

Summary: 知识库 （KB） 文章提供了由于离线 CSV 导致的 Hyper-V 备份失败的解决方案

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Symptoms

Hyper-V CSV 备份失败，并显示以下错误：
 

avhypervvss Error <19387>: CSV 'Cluster Disk 2' is not online. Please check the state and restart the back-up
avhypervvss Error <19354>: Could not assign CSV(s) to user specified multi proxy nodes for better backup performance
avhypervvss Error <42458>: Failed to manage csv ownership for multiproxy backups.
avhypervvss Error <41659>: Backup did not complete successfully

Cause

一个或多个 CSV（群集共享卷）处于离线状态。 

 

MS 故障转移群集管理器

属于群集的所有 CSV 都必须处于联机状态。

Resolution

右键单击离线 CSV 并选择“联机”选项，使离线 CSV 重新联机。

Affected Products

Avamar Plug-in for Hyper-V VSS
Article Properties
Article Number: 000186556
Article Type: Solution
Last Modified: 28 Oct 2025
Version:  2
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