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Avamar NDMP备份失败、并显示"无法建立数据连接"

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ndmp<a>2009499375</a>
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适用场景

Dell Avamar

问题描述

  • 在使用远程或双向拓扑的NDMP备份中、建立的第一个连接是NDMP 控制连接
  • DMA和NDMP服务器通过控制连接交换请求和响应
  • NDMP数据连接是一个单独的连接、用于通过网络将备份数据从NDMP服务器发送回DMA和DMA的存储。
  • 在这种情况 下、控制连接成功、但从未建立与DMA (Avamar)的数据连接。
  • 在ndmpd调试日志和Avamar日志中、可以通过 控制连接观察到双向请求和响应
  • ndmpd调试日志显示已为NDMP数据连接选择LIF并已尝试建立连接、但从未建立数据连接
  • 如果无法建立数据连接、则表示网络路径上的设备或配置会阻止连接
  • 由于从未建立从NDMP服务器到Avamar的连接、因此DMA最终会超时并关闭NDMP会话。
  • 以前、AV防火墙 已确定为数据连接问题的发生原因 、并已禁用

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