NDB/SCV无法取消暂停应用程序、并显示错误"VI SDK invoke exception：java.net.NoRouteToHostException"

适用场景

• NetApp数据代理(NDB)
• 适用于 VMware vSphere 的 SnapCenter 插件（ SCV ）

问题描述

• NDB/SCV备份作业已完成、但显示警告
• NDB/SCV通知电子邮件报告任务失败、如下所示

Task 'Unquiescing Applications' failed with error: Unable to unquiesce on SCV: Exception thrown during unquiesce operation.VI SDK invoke exception:java.net.NoRouteToHostException: No route to host (Host unreachable)

• 中报告了以下消息 vmcontrol.log

2020-05-13 03:01:48.177 DEBUG ndbhost --- [p32374789-18633] c.n.a.v.VsphereService           : vSphereServiceURL is : https://<VCENTER_SERVER>:443/sdk
2020-05-13 03:02:06.083 DEBUG ndbhost --- [p32374789-18633] c.n.a.v.VsphereService           : VI SDK invoke exception:java.net.NoRouteToHostException: No route to host (Host unreachable)
2020-05-13 03:02:06.083 ERROR ndbhost --- [p32374789-18633] c.n.a.s.p.UnquiesceVMManager        : VI SDK invoke exception:java.net.NoRouteToHostException: No route to host (Host unreachable)