无法将Linux主机正确添加到SnapCenter

适用场景

• NetApp SnapCenter服务器4.X
• 适用于Linux的SnapCenter插件

问题描述

将Linux主机添加到SnapCenter时、未正确添加此主机、并且SnapManager Web日志显示以下错误：

YYYY-MM-DDThh:mm:ss.+00:00 INFO  SnapManagerWeb PID=[11220] TID=[115] Creating new SSH client
YYYY-MM-DDThh:mm:ss.+00:00 INFO  SnapManagerWeb PID=[11220] TID=[115] Setting ssh connection timeout to 600 seconds
YYYY-MM-DDThh:mm:ss.+00:00 INFO  SnapManagerWeb PID=[11220] TID=[115] Connecting to the remote system XX.YY.ZZ.XX using SSH
YYYY-MM-DDThh:mm:ss.+00:00 ERROR SnapManagerWeb PID=[11220] TID=[115] Failed to connect to the host XX.YY.ZZ.XX. Verify connectivity to the host.
Exception: A connection attempt failed because the connected party did not properly respond after a period of time, or established connection failed because connected host has failed to respond XX.YY.ZZ.XX:22
YYYY-MM-DDThh:mm:ss.+00:00 ERROR SnapManagerWeb PID=[11220] TID=[115] StackTrace:   at System.Net.Sockets.Socket.InternalEndConnect(IAsyncResult asyncResult)
  at System.Net.Sockets.Socket.EndConnect(IAsyncResult asyncResult)
  at Renci.SshNet.Session.SocketConnect(String host, Int32 port)
  at Renci.SshNet.Session.Connect()
  at Renci.SshNet.BaseClient.Connect()
  at SnapManagerSSH.SmSSH.GetFingerPrint()
YYYY-MM-DDThh:mm:ss.+00:00 DEBUG SnapManagerWeb PID=[11220] TID=[115] GetHostSignature: Exit