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https://issues.apache.org/jira/browse/CLOUDSTACK-6755?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14113595#comment-14113595
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Murali Reddy commented on CLOUDSTACK-6755:
------------------------------------------
Test case does not exist for testing this scenario.
> [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: DEV_REVIEWED, 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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