[Users] Fails to add a new host due to ssh error

Hi, I'm trying to add a new host to my setup, and it fails with the following error: 014-01-24 14:12:52,129 ERROR [org.ovirt.engine.core.bll.InstallVdsCommand] (pool-4-thread-48) [1111ca35] Host installation failed for host efd0c4b4-e3d6-421a-b6e5-21bd5f03aa59, master-vds13.: java.io.IOException: Command returned failure code 1 during SSH session 'root@myhost' at org.ovirt.engine.core.utils.ssh.SSHClient.executeCommand(SSHClient.java:508) [utils.jar:] at org.ovirt.engine.core.utils.ssh.SSHDialog.executeCommand(SSHDialog.java:311) [utils.jar:] at org.ovirt.engine.core.bll.VdsDeploy.execute(VdsDeploy.java:1043) [bll.jar:] at org.ovirt.engine.core.bll.InstallVdsCommand.installHost(InstallVdsCommand.java:192) [bll.jar:] at org.ovirt.engine.core.bll.InstallVdsCommand.executeCommand(InstallVdsCommand.java:105) [bll.jar:] at org.ovirt.engine.core.bll.CommandBase.executeWithoutTransaction(CommandBase.java:1134) [bll.jar:] at org.ovirt.engine.core.bll.CommandBase.executeActionInTransactionScope(CommandBase.java:1219) [bll.jar:] at org.ovirt.engine.core.bll.CommandBase.runInTransaction(CommandBase.java:1895) [bll.jar:] at org.ovirt.engine.core.utils.transaction.TransactionSupport.executeInSuppressed(TransactionSupport.java:174) [utils.jar:] at org.ovirt.engine.core.utils.transaction.TransactionSupport.executeInScope(TransactionSupport.java:116) [utils.jar:] at org.ovirt.engine.core.bll.CommandBase.execute(CommandBase.java:1239) [bll.jar:] at org.ovirt.engine.core.bll.CommandBase.executeAction(CommandBase.java:362) [bll.jar:] at org.ovirt.engine.core.bll.Backend.runAction(Backend.java:416) [bll.jar:] at org.ovirt.engine.core.bll.Backend.runActionImpl(Backend.java:395) [bll.jar:] at org.ovirt.engine.core.bll.Backend.runInternalAction(Backend.java:636) [bll.jar:] at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) [rt.jar:1.7.0_51] at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) [rt.jar:1.7.0_51] at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) [rt.jar:1.7.0_51] at java.lang.reflect.Method.invoke(Method.java:606) [rt.jar:1.7.0_51] at org.jboss.as.ee.component.ManagedReferenceMethodInterceptorFactory$ManagedReferenceMethodInterceptor.processInvocation(ManagedReferenceMethodInterceptorFactory.java:72) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:58) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.WeavedInterceptor.processInvocation(WeavedInterceptor.java:53) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.interceptors.UserInterceptorFactory$1.processInvocation(UserInterceptorFactory.java:58) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ejb3.component.invocationmetrics.ExecutionTimeInterceptor.processInvocation(ExecutionTimeInterceptor.java:43) [jboss-as-ejb3.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.InitialInterceptor.processInvocation(InitialInterceptor.java:21) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.interceptors.ComponentDispatcherInterceptor.processInvocation(ComponentDispatcherInterceptor.java:53) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ejb3.component.singleton.SingletonComponentInstanceAssociationInterceptor.processInvocation(SingletonComponentInstanceAssociationInterceptor.java:52) [jboss-as-ejb3.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ejb3.tx.CMTTxInterceptor.invokeInNoTx(CMTTxInterceptor.java:259) [jboss-as-ejb3.jar:7.3.1.Final-redhat-1] at org.jboss.as.ejb3.tx.CMTTxInterceptor.supports(CMTTxInterceptor.java:398) [jboss-as-ejb3.jar:7.3.1.Final-redhat-1] at org.jboss.as.ejb3.tx.CMTTxInterceptor.processInvocation(CMTTxInterceptor.java:242) [jboss-as-ejb3.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ejb3.component.interceptors.CurrentInvocationContextInterceptor.processInvocation(CurrentInvocationContextInterceptor.java:41) [jboss-as-ejb3.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ejb3.component.interceptors.ShutDownInterceptorFactory$1.processInvocation(ShutDownInterceptorFactory.java:64) [jboss-as-ejb3.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ejb3.component.interceptors.LoggingInterceptor.processInvocation(LoggingInterceptor.java:59) [jboss-as-ejb3.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.NamespaceContextInterceptor.processInvocation(NamespaceContextInterceptor.java:50) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.TCCLInterceptor.processInvocation(TCCLInterceptor.java:45) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.ViewService$View.invoke(ViewService.java:165) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.jboss.as.ee.component.ViewDescription$1.processInvocation(ViewDescription.java:182) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.jboss.invocation.InterceptorContext.proceed(InterceptorContext.java:288) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.invocation.ChainedInterceptor.processInvocation(ChainedInterceptor.java:61) [jboss-invocation.jar:1.1.2.Final-redhat-1] at org.jboss.as.ee.component.ProxyInvocationHandler.invoke(ProxyInvocationHandler.java:72) [jboss-as-ee.jar:7.3.1.Final-redhat-1] at org.ovirt.engine.core.bll.interfaces.BackendInternal$$$view9.runInternalAction(Unknown Source) [bll.jar:] at org.ovirt.engine.core.bll.AddVdsCommand$3.run(AddVdsCommand.java:173) [bll.jar:] at org.ovirt.engine.core.utils.threadpool.ThreadPoolUtil$InternalWrapperRunnable.run(ThreadPoolUtil.java:71) [utils.jar:] at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471) [rt.jar:1.7.0_51] at java.util.concurrent.FutureTask.run(FutureTask.java:262) [rt.jar:1.7.0_51] at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145) [rt.jar:1.7.0_51] at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615) [rt.jar:1.7.0_51] at java.lang.Thread.run(Thread.java:744) [rt.jar:1.7.0_51] However, SSH from the engine to the same host works perfectly. Any ideas why it fails? Thanks, Meital