NVP vProxy:FLR 失败并显示“Unable to run SSH command, error Unable to make ssh connection to 'DD_HOSTNAME', error ssh: handshake failed...connection reset by peer”
Summary: 通过 NVP vProxy 执行的虚拟机 FLR 无法在 Data Domain 上创建 NFS 导出,并且连接由对等方重置
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Symptoms
NetWorker VMware 保护集成配置了 vProxy Appliance。 文件级恢复 (FLR) 失败,并显示以下错误消息:
159373:nsrvproxy_flr: vProxy Log: YYYY-MM-DDTHH:MM:SSZ ERROR: [@(#) Build number: ###] Unable to create NFS export at 'dd.emclab.local:/data/col1/nwserver/FLR-nvp.emclab.local-f4b12a68-7ffc-413a-91ba-9087b3a09d36': Unable to run SSH command, error Unable to make ssh connection to 'dd.emclab.local', error ssh: handshake failed: read tcp 192.168.25.213:35304->192.168.25.18:22: read: connection reset by peer
- 您可以通过端口 22:curl -v DD_HOSTNAME:22 从 NVP vProxy 应用装置连接到 Data Domain (DD)
[root@nvp ~]# curl -v dd.emclab.local:22
* About to connect() to dd.emclab.local port 22 (#0)
* Trying 192.168.25.18...
* Connected to dd.emclab.local (192.168.25.18) port 22 (#0)
> GET / HTTP/1.1
> User-Agent: curl/7.29.0
> Host: dd.emclab.local:22
> Accept: */*
>
* Recv failure: Connection reset by peer
* Closing connection 0
curl: (56) Recv failure: Connection reset by peer
- 您无法从 vProxy:ssh sysadmin@通过 SSH 登录 DD DD_HOSTNAME
[root@nvp ~]# ssh sysadmin@dd.emclab.local
ssh_exchange_identification: read: Connection reset by peer
Cause
Data Domain 访问管理配置了 SSH 限制,仅允许某些主机连接。
Resolution
- 确保满足所有端口要求:NVP vProxy:备份和恢复操作的网络连接故障排除
- 使用 sysadmin 帐户登录 Data Domain Enterprise Manager (DDEM) Web GUI: https://DD_HOSTNAME
- 在左侧菜单中选择 管理 选项卡。
- 从顶部菜单中选择 Administrator Access 。
- 选择 SSH 并单击 Configure 。
- 如果选择了 Limit access to the following systems 单选按钮,您将需要将 vProxies 的 FQDN 添加到列表中。
提醒:(可选)如果不需要严格的 SSH 访问,您可以选择 Allow all hosts to connect 。
- 通过打开与 DD 的 PuTTy 会话或重新运行 ssh sysadmin@来测试与 DD 的 SSH 连接DD_HOSTNAME
- 如果 SSH 连接成功,请重新尝试 FLR 装载。
Additional Information
以下命令可用于测试端口连接:
Windows/Linux NW 服务器: nsrports -t HOSTNAME -p 端口
Windows: telnet HOSTNAME PORT
Linux: curl -v HOSTNAME:PORT
ESXi: nc -zv HOSTNAME PORT
Windows: telnet HOSTNAME PORT
Linux: curl -v HOSTNAME:PORT
ESXi: nc -zv HOSTNAME PORT
Affected Products
NetWorkerProducts
Data Domain, NetWorkerArticle Properties
Article Number: 000166434
Article Type: Solution
Last Modified: 04 Jun 2025
Version: 5
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