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From Rajesh Battala <rajesh.batt...@citrix.com>
Subject RE: Cannot add vm to any host in any cluster - error: "Unable to apply dhcp entry on router"
Date Mon, 23 Jul 2012 02:05:42 GMT
Evan,
Did you check the status of the VR?. Is DHCP service is running in the VR?
Please check those services.
Sometimes I had observed DHCP service will fail to start on a particular eth. Quick workaround
is restart VR , check the DHCP service and then try to create the instances.

Thanks
Rajesh Battala

From: Evan Miller [mailto:Evan.Miller@citrix.com]
Sent: Sunday, July 22, 2012 12:51 AM
To: cloudstack-users@incubator.apache.org
Subject: Cannot add vm to any host in any cluster - error: "Unable to apply dhcp entry on
router"

Running CloudStack Management Server:
  v3.0.2.1
On:
  [root@cumulus management]# uname -a
  Linux cumulus.eng.citrite.net 2.6.32-220.el6.x86_64 #1 SMP Tue Dec 6 19:48:22 GMT 2011 x86_64
x86_64 x86_64 GNU/Linux
  [root@cumulus management]#
Hypervisor :
  XenServer v6.02

Hi:

I can't add any VMs to any hosts in my 3 cluster, two host cloud.

In one attempt, the GUI basically says:

   Unable to create a deployment for VM[User|i-2-7-VM]

Here is small part of the attached management log snippet.

2012-07-21 10:49:25,568 DEBUG [agent.manager.AgentAttache] (DirectAgent-62:null) Seq 1-564527128:
No more commands found
2012-07-21 10:49:25,568 INFO  [cloud.vm.VirtualMachineManagerImpl] (Job-Executor-1:job-11)
Unable to contact resource.
com.cloud.exception.ResourceUnavailableException: Resource [Pod:1] is unreachable: Unable
to apply dhcp entry on router
        at com.cloud.network.router.VirtualNetworkApplianceManagerImpl.applyRules(VirtualNetworkApplianceManagerImpl.java:2802)
        at com.cloud.network.router.VirtualNetworkApplianceManagerImpl.applyDhcpEntry(VirtualNetworkApplianceManagerImpl.java:2089)
        at com.cloud.network.element.VirtualRouterElement.addDhcpEntry(VirtualRouterElement.java:738)
        at com.cloud.network.NetworkManagerImpl.prepareElement(NetworkManagerImpl.java:1792)
        at com.cloud.network.NetworkManagerImpl.prepare(NetworkManagerImpl.java:1887)
        at com.cloud.vm.VirtualMachineManagerImpl.advanceStart(VirtualMachineManagerImpl.java:741)
        at com.cloud.vm.VirtualMachineManagerImpl.start(VirtualMachineManagerImpl.java:461)
        at com.cloud.vm.UserVmManagerImpl.startVirtualMachine(UserVmManagerImpl.java:2580)
        at com.cloud.vm.UserVmManagerImpl.startVirtualMachine(UserVmManagerImpl.java:2517)
        at com.cloud.event.ActionEventCallback.intercept(ActionEventCallback.java:32)
        at com.cloud.api.commands.DeployVMCmd.execute(DeployVMCmd.java:317)
        at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:132)
        at com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:427)
        at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
        at java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
        at java.util.concurrent.FutureTask.run(FutureTask.java:166)
        at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1110)
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:603)
        at java.lang.Thread.run(Thread.java:679)

How should this be fixed?
Can the problem be fixed from the GUI?
Please advise.

Regards,

Evan Miller

Citrix Systems. Inc.
Desktop and Cloud Engineering Infrastructure
4988 Great America Parkway
Santa Clara, CA 95054


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