Sangeetha Hariharan created CLOUDSTACK-5452:
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Summary: KVM - Agent is not able to connect back if management
server was restarted when there are pending tasks to this host.
Key: CLOUDSTACK-5452
URL: https://issues.apache.org/jira/browse/CLOUDSTACK-5452
Project: CloudStack
Issue Type: Bug
Security Level: Public (Anyone can view this level - this is the default.)
Components: Management Server
Affects Versions: 4.3.0
Environment: Build from 4.3
Reporter: Sangeetha Hariharan
Priority: Critical
Fix For: 4.3.0
KVM - Agent is not able to connect back if management server was restarted when
there are pending tasks to this host.
Steps to reproduce the problem:
Set up - Advanced zone with 2 KVM ( RHEL 6.3) hosts.
Deployed few Vms.
Started snapshot for ROOT volume of the VMs.
When the snapshot processes are still in progress , restart management server.
When the management sever started , the KVM hosts remain in disconnected state.
Attempt to stop Vms /start Vms fails because of having no connection to the
host.
Following is seen in agent logs:
2013-12-10 20:56:46,640 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:56:46,640 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:56:51,641 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:56:51,642 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:56:56,642 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:56:56,643 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:01,644 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:57:01,644 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:06,644 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:57:06,645 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:11,645 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:57:11,646 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:16,647 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:57:16,647 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:21,648 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:57:21,648 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:26,649 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:57:26,675 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:31,676 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:57:31,677 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:36,678 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
2013-12-10 20:57:36,678 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Cannot
connect because we still have 1 commands in progress.
2013-12-10 20:57:41,678 INFO [cloud.agent.Agent] (Agent-Handler-2:null) Lost
connection to the server. Dealing with the remaining commands...
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