Avamar:由于 DDR 令牌无效,计划的 Hyper-V 备份失败

Summary: 本文概述了由于 Data Domain (DDR) 令牌无效而导致 Avamar 中的计划 Hyper-V 备份失败的已知问题的解决方法。手动备份不受影响。

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Symptoms

计划的 Hyper-V 备份作业可能会失败,并显示类似于以下内容的错误:

  • avhypervvss Error <19328>: Unable to forward CTL sub-workorder to remote client [HYPERV-HOST03].
  • avhypervvss Error <19366>: Unable to send sub-workorders to all remote clients.
  • avhypervvss Error <41659>: Backup did not complete successfully.
  • avhypervvss Error <43488>: PAX API 'beginfile:extents' reported error 32.
  • avhypervvss Error <43490>: Failed in begin file C:\ClusterStorage\Volume23\WEBT01\WEBT01-OS.vhdx for incremental backup.
  • avhypervvss Error <43486>: Failed to stream file '00000009\C:\ClusterStorage\Volume23\WEBT01\WEBT01-OS.vhdx...'.
  • avhypervvss Error <43488>: PAX API 'endfile:extents' reported error 32.
  • avhypervvss Error <43473>: Processing workorder in stream mode failed.
  • avhypervvss Error <43475>: Plugin exited with code 536870920: cannot establish connection with server (possible network or DNS failure).

其他错误可能会出现在 avtaravagent.log

  • avtar Error <41439>: Using invalid token.
  • avtar Error <10542>: DDR server open failed — Invalid API argument.
  • avtar Error <10509>: Problem logging into DDR server.
  • avagent.log:
    ctl_mcs_send ERROR <0001>: Failed to enqueue the MCS response for federated use case.

手动备份已成功完成。

Cause

该问题通常是由于处理 DDR 令牌请求时 Avamar Utility Node 上的管理控制台服务 (MCS) 延迟引起的。
这些延迟会导致令牌超时,尤其是在跨 Avamar 和 Data Domain 网格的备份活动达到高峰期间。

Resolution

重新安排 Hyper-V 备份作业在 Avamar 和 Data Domain 系统不繁忙的非高峰时段运行。

例:
如果大多数备份作业在晚上 8 点开始,请将 Hyper-V 备份安排为在晚上 11 点或更晚开始,以避免令牌超时问题。

 

Additional Information

Affected Products

Avamar, Avamar Plug-in for Hyper-V VSS
Article Properties
Article Number: 000200201
Article Type: Solution
Last Modified: 31 Oct 2025
Version:  2
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