Technically there is no agent running inside the VR. They are all handled
by ssh scripts. But generally, communication problems between the mgmt
server and the dom0 or a stuck (kernel OOM f.e) VR can cause this issue.

On 6/10/13 10:45 AM, "Francois Gaudreault" <fgaudrea...@cloudops.com>
wrote:

>Interesting... I can't reproduce it today :S So maybe that was just a
>temporary issue?  (I hate those issues!)
>
>What would cause this actually?  VR not running? Agent on the VR not
>running?
>
>Thanks!
>
>Francois
>
>On 2013-06-10 1:34 PM, Chiradeep Vittal wrote:
>> Need more logs
>>
>> On 6/10/13 10:28 AM, "Francois Gaudreault" <fgaudrea...@cloudops.com>
>> wrote:
>>
>>> Hi,
>>>
>>> I posted this on the users mailing list, but didn't get any reply.
>>>Maybe
>>> I will get more attention here :)
>>>
>>> Let me know if I should open a bug report.
>>>
>>> Thanks!
>>>
>>> -------- Original Message --------
>>> Subject:    Unable to adjust firewall rules on VR since upgrade
>>> Date:       Fri, 07 Jun 2013 12:52:42 -0400
>>> From:       Francois Gaudreault <fgaudrea...@cloudops.com>
>>> Reply-To:   fgaudrea...@cloudops.com
>>> To:         us...@cloudstack.apache.org <us...@cloudstack.apache.org>
>>>
>>>
>>>
>>> Hi,
>>>
>>> Before posting a bug report for this, I am curious to see if anyone
>>>else
>>> faced that issue.
>>>
>>> We were running on 4.0.0, and we had couple isolated networks (hence
>>> couple VRs) with firewall rules.  When we upgraded to 4.1.0, we were
>>>not
>>> able to adjust/delete firewall rules for the existing VRs.  The error
>>>in
>>> the log was:
>>> WARN  [network.firewall.FirewallManagerImpl] (Job-Executor-83:job-461)
>>> Failed to apply firewall rules due to
>>> com.cloud.exception.ResourceUnavailableException: Resource
>>> [DataCenter:1] is unreachable: Unable to apply firewall rules on router
>>>      at
>>> 
>>>com.cloud.network.router.VirtualNetworkApplianceManagerImpl.applyRules(V
>>>ir
>>> tualNetworkApplianceManagerImpl.java:3431)
>>>      at
>>> 
>>>com.cloud.network.router.VirtualNetworkApplianceManagerImpl.applyFirewal
>>>lR
>>> ules(VirtualNetworkApplianceManagerImpl.java:3287)
>>>      at
>>> 
>>>com.cloud.network.element.VirtualRouterElement.applyFWRules(VirtualRoute
>>>rE
>>> lement.java:229)
>>>      at
>>> 
>>>com.cloud.network.firewall.FirewallManagerImpl.applyRules(FirewallManage
>>>rI
>>> mpl.java:544)
>>>      at
>>> 
>>>com.cloud.network.NetworkManagerImpl.applyRules(NetworkManagerImpl.java:
>>>23
>>> 44)
>>>      at
>>> 
>>>com.cloud.network.firewall.FirewallManagerImpl.applyRules(FirewallManage
>>>rI
>>> mpl.java:500)
>>>      at
>>> 
>>>com.cloud.network.firewall.FirewallManagerImpl.applyFirewallRules(Firewa
>>>ll
>>> ManagerImpl.java:630)
>>>      at
>>> 
>>>com.cloud.network.firewall.FirewallManagerImpl.revokeFirewallRule(Firewa
>>>ll
>>> ManagerImpl.java:670)
>>>      at
>>> 
>>>com.cloud.utils.component.ComponentInstantiationPostProcessor$Intercepto
>>>rD
>>> ispatcher.intercept(ComponentInstantiationPostProcessor.java:125)
>>>      at
>>> 
>>>com.cloud.network.firewall.FirewallManagerImpl.revokeFirewallRule(Firewa
>>>ll
>>> ManagerImpl.java:683)
>>>      at
>>> 
>>>org.apache.cloudstack.api.command.user.firewall.DeleteEgressFirewallRule
>>>Cm
>>> d.execute(DeleteEgressFirewallRuleCmd.java:97)
>>>      at com.cloud.api.ApiDispatcher.dispatch(ApiDispatcher.java:162)
>>>      at
>>> com.cloud.async.AsyncJobManagerImpl$1.run(AsyncJobManagerImpl.java:437)
>>>      at
>>> java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>>>      at 
>>>java.util.concurrent.FutureTask$Sync.innerRun(FutureTask.java:334)
>>>      at java.util.concurrent.FutureTask.run(FutureTask.java:166)
>>>      at
>>> 
>>>java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.jav
>>>a:
>>> 1146)
>>>      at
>>> 
>>>java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.ja
>>>va
>>> :615)
>>>      at java.lang.Thread.run(Thread.java:679)
>>>
>>> Thanks!
>>>
>>> -- 
>>> Francois Gaudreault
>>> Architecte de Solution Cloud | Cloud Solutions Architect
>>> fgaudrea...@cloudops.com
>>> 514-629-6775
>>> - - -
>>> CloudOps
>>> 420 rue Guy
>>> Montréal QC  H3J 1S6
>>> www.cloudops.com
>>> @CloudOps_
>>>
>>>
>>>
>>
>>
>
>
>-- 
>Francois Gaudreault
>Architecte de Solution Cloud | Cloud Solutions Architect
>fgaudrea...@cloudops.com
>514-629-6775
>- - -
>CloudOps
>420 rue Guy
>Montréal QC  H3J 1S6
>www.cloudops.com
>@CloudOps_
>

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