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From S. Brüseke - proIO GmbH <>
Subject AW: Issues upgrading to XenServer 7
Date Thu, 02 Feb 2017 14:36:04 GMT
Hi Martin,

here are my 2 cents:
we do not upgrade XenServer in our CS installation at all. What we do is to move all VMs from
one host, eject it from the pool and delete it from CS. After that we are doing a fresh installation
of XenServer, create a new pool and add this pool as new cluster to CS. Then we move VMs via
live migration from the old cluster to the new one so we end up in the next free XenServer
in the old pool to eject it and so on.

Mit freundlichen Grüßen / With kind regards,


-----Ursprüngliche Nachricht-----
Von: Dag Sonstebo [] 
Gesendet: Donnerstag, 2. Februar 2017 15:15
Betreff: Re: Issues upgrading to XenServer 7

Hi Martin


Dag Sonstebo
Cloud Architect

On 02/02/2017, 13:09, "Martin Emrich" <> wrote:

    After getting the upgrade to on my test cloud going, I decided to upgrade the
hosts from XenServer 6.5SP1 to XenServer 7. I followed the process like I did many times with
upgrades form 6.0 to 6.2 or to 6.5.
    Normally, Cloudstack "reinstalled" the integration scripts under /opt/cloud after upgrading
a XenServer, I usually can watch it In the logs while it copies scripts and stuff to the XenServers.
    But this time, they do not appear, and the host stays in the Alert state.
    In the log, I see:
    2017-02-02 14:07:07,431 DEBUG [c.c.h.Status] (AgentTaskPool-6:ctx-3c41c4cd) (logid:47da929b)
Transition:[Resource state = Enabled, Agent event = AgentDisconnected, Host id = 2, name =
    2017-02-02 14:07:07,434 WARN  [c.c.r.ResourceManagerImpl] (AgentTaskPool-5:ctx-f768a3d8)
(logid:aefd7fd0) Unable to connect due to Reinitialize agent after setup.
            at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
            at sun.reflect.NativeMethodAccessorImpl.invoke(
            at sun.reflect.DelegatingMethodAccessorImpl.invoke(
            at java.lang.reflect.Method.invoke(
            at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(
            at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(
            at org.springframework.aop.interceptor.ExposeInvocationInterceptor.invoke(
            at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(
            at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(
            at com.sun.proxy.$Proxy161.createHostAndAgent(Unknown Source)
            at org.apache.cloudstack.managed.context.ManagedContextRunnable$
            at org.apache.cloudstack.managed.context.impl.DefaultManagedContext$
            at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.callWithContext(
            at org.apache.cloudstack.managed.context.impl.DefaultManagedContext.runWithContext(
            at java.util.concurrent.ThreadPoolExecutor.runWorker(
            at java.util.concurrent.ThreadPoolExecutor$
    How can I motivate CloudStack to install the agent/scripts on the XenServers? Or can I
do it manually?
53 Chandos Place, Covent Garden, London  WC2N 4HSUK @shapeblue

- proIO GmbH -
Geschäftsführer: Swen Brüseke
Sitz der Gesellschaft: Frankfurt am Main

USt-IdNr. DE 267 075 918
Registergericht: Frankfurt am Main - HRB 86239

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