[Xen-users] network connectivity problem

[arulP <arulprakash88@xxxxxxxxx>]

[root@hadoop1 hadoop-0.18.3]# ssh xentry21 "rm -rf /opt/tmp/*"
ssh: connect to host xentry21 port 22: No route to host
[root@hadoop1 hadoop-0.18.3]# ssh xentry21 "rm -rf /opt/tmp/*"
ssh: connect to host xentry21 port 22: No route to host
[root@hadoop1 hadoop-0.18.3]# ssh xentry21 "rm -rf /opt/tmp/*"
[root@hadoop1 hadoop-0.18.3]# bin/hadoop namenode -format


first when i tried to ssh xentry21 it shows 'no route to host'.When i try
this two more time it works.Why this happens?.I have 3 physcical machines
and 2 virtual machines in each.And this happens randomly in any of the
virtual machines.
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