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From "Murali Reddy (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CLOUDSTACK-6755) [OVS] Can't create more than 7 GRE tunnel networks in xen cluster
Date Wed, 11 Jun 2014 12:13:02 GMT

    [ https://issues.apache.org/jira/browse/CLOUDSTACK-6755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14027685#comment-14027685
] 

Murali Reddy commented on CLOUDSTACK-6755:
------------------------------------------

Daan,

Yes it is a blocker. I am working on it I am expecting to close this by Jun-12.  Fix is taking
more time than expected, as i have to work around xenserver limitation.

> [OVS] Can't create more than 7 GRE tunnel networks in xen cluster
> -----------------------------------------------------------------
>
>                 Key: CLOUDSTACK-6755
>                 URL: https://issues.apache.org/jira/browse/CLOUDSTACK-6755
>             Project: CloudStack
>          Issue Type: Bug
>      Security Level: Public(Anyone can view this level - this is the default.) 
>          Components: Management Server, Network Controller, XenServer
>    Affects Versions: 4.4.0
>         Environment: Latest build from 4.4 with commit e6961fd21bb6d793302c234d0f409f66dc498072
>            Reporter: Sanjeev N
>            Assignee: Murali Reddy
>            Priority: Blocker
>              Labels: ovs
>             Fix For: 4.4.0
>
>         Attachments: management-server.rar, ovstunnel.log, xensource.log
>
>
> [OVS] Can't create more than 7 GRE tunnel networks in xen cluster
> Steps to reproduce:
> ==================
> 1.Bring up CS in advanced zone with Xen cluster
> 2.Create physical network with GRE isolation
> 3.Create isolated network offering with virtual networking and OVS as the service provider
> 4.Create 8 guest networks with above offering and deploy vms in each network
> Result:
> ======
> CS would create 7 networks successfully and deploying vm in 8th network would fail because
Tunnel network creation would fail for 8th network
> Following is the log snippet from MS log:
> 2014-05-23 10:18:12,784 DEBUG [c.c.n.e.OvsElement] (Work-Job-Executor-89:job-253/job-254
ctx-800616c3) Checking if OvsElement can handle service Connectivity on network test1-ovs
> 2014-05-23 10:18:12,789 DEBUG [c.c.n.o.OvsTunnelManagerImpl] (Work-Job-Executor-89:job-253/job-254
ctx-800616c3) Creating tunnels with OVS tunnel manager
> 2014-05-23 10:18:12,800 DEBUG [c.c.n.o.OvsTunnelManagerImpl] (Work-Job-Executor-89:job-253/job-254
ctx-800616c3) Ask host 1 to configure bridge for network:227
> 2014-05-23 10:18:12,807 DEBUG [c.c.a.t.Request] (Work-Job-Executor-89:job-253/job-254
ctx-800616c3) Seq 1-6553863357730929719: Sending  { Cmd , MgmtId: 7332683579487, via: 1(xen-host-13),
Ver: v1, Flags: 100111, [{"com.cloud.agent.api.OvsSetupBridgeCommand":{"name":"OVSTunnel991","hostId":1,"networkId":227,"wait":0}}]
}
> 2014-05-23 10:18:12,808 DEBUG [c.c.a.t.Request] (Work-Job-Executor-89:job-253/job-254
ctx-800616c3) Seq 1-6553863357730929719: Executing:  { Cmd , MgmtId: 7332683579487, via: 1(xen-host-13),
Ver: v1, Flags: 100111, [{"com.cloud.agent.api.OvsSetupBridgeCommand":{"name":"OVSTunnel991","hostId":1,"networkId":227,"wait":0}}]
}
> 2014-05-23 10:18:12,808 DEBUG [c.c.a.m.DirectAgentAttache] (DirectAgent-268:ctx-46e3abbc)
Seq 1-6553863357730929719: Executing request
> 2014-05-23 10:18:12,991 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-268:ctx-46e3abbc)
Create a vif on dom0 for tunnel network for account OVSTunnel991
> 2014-05-23 10:18:13,056 WARN  [c.c.h.x.r.CitrixResourceBase] (DirectAgent-268:ctx-46e3abbc)
createTunnelNetwork failed
> com.cloud.utils.exception.CloudRuntimeException: Could not find available VIF slot in
VM with name: Control domain on host: xen-host-13
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.getLowestAvailableVIFDeviceNum(CitrixResourceBase.java:3990)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.enableXenServerNetwork(CitrixResourceBase.java:928)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.findOrCreateTunnelNetwork(CitrixResourceBase.java:1003)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:5268)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:528)
>         at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:61)
>         at com.cloud.hypervisor.xen.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:102)
>         at com.cloud.hypervisor.xen.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)
>         at com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216)
>         at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
>         at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> 2014-05-23 10:18:13,175 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-268:ctx-46e3abbc)
Create a vif on dom0 for tunnel network for account OVSTunnel991
> 2014-05-23 10:18:13,239 WARN  [c.c.h.x.r.CitrixResourceBase] (DirectAgent-268:ctx-46e3abbc)
createTunnelNetwork failed
> com.cloud.utils.exception.CloudRuntimeException: Could not find available VIF slot in
VM with name: Control domain on host: xen-host-13
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.getLowestAvailableVIFDeviceNum(CitrixResourceBase.java:3990)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.enableXenServerNetwork(CitrixResourceBase.java:928)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.findOrCreateTunnelNetwork(CitrixResourceBase.java:1007)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.configureTunnelNetwork(CitrixResourceBase.java:1022)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:5269)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:528)
>         at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:61)
>         at com.cloud.hypervisor.xen.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:102)
>         at com.cloud.hypervisor.xen.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)
>         at com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216)
>         at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
>         at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> 2014-05-23 10:18:13,242 WARN  [c.c.h.x.r.CitrixResourceBase] (DirectAgent-268:ctx-46e3abbc)
createandConfigureTunnelNetwork failed
> java.lang.NullPointerException
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.configureTunnelNetwork(CitrixResourceBase.java:1025)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.execute(CitrixResourceBase.java:5269)
>         at com.cloud.hypervisor.xen.resource.CitrixResourceBase.executeRequest(CitrixResourceBase.java:528)
>         at com.cloud.hypervisor.xen.resource.XenServer56Resource.executeRequest(XenServer56Resource.java:61)
>         at com.cloud.hypervisor.xen.resource.XenServer610Resource.executeRequest(XenServer610Resource.java:102)
>         at com.cloud.hypervisor.xen.resource.XenServer620SP1Resource.executeRequest(XenServer620SP1Resource.java:65)
>         at com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(DirectAgentAttache.java:216)
>         at org.apache.cloudstack.managed.context.ManagedContextRunnable$1.run(ManagedContextRunnable.java:49)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$1.call(DefaultManagedContext.java:56)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(DefaultManagedContext.java:103)
>         at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(DefaultManagedContext.java:53)
>         at org.apache.cloudstack.managed.context.ManagedContextRunnable.run(ManagedContextRunnable.java:46)
>         at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
>         at java.util.concurrent.FutureTask.run(FutureTask.java:262)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:178)
>         at java.util.concurrent.ScheduledThreadPoolExecutor$ScheduledFutureTask.run(ScheduledThreadPoolExecutor.java:292)
>         at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
>         at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
>         at java.lang.Thread.run(Thread.java:744)
> 2014-05-23 10:18:13,246 DEBUG [c.c.h.x.r.CitrixResourceBase] (DirectAgent-268:ctx-46e3abbc)
OVS Bridge configured
> Observations:
> ===========
> On xenserver dom0 vm we are creating vif for every GRE tunnel network. But dom0 has a
limitation of 7 vifs. So creating 8th tunnel network is failing.



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