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From Rafael Weingärtner <rafaelweingart...@gmail.com>
Subject Re: SystemVM can't start
Date Wed, 15 Mar 2017 15:52:53 GMT
I am not sure if this is a complete destroy and if ACS re-uses something
from the old VMs.

>From your logs,

> VIF.unplug
> R:68394c4e8e7c failed with exception Db_exn.DBCache_NotFound("missing
>

This probably happened because when the VM was being created and the VIF
was not created in the hypervisor. There are probably other error log
entries before this one. From your other log:

errorInfo: [HOST_CANNOT_ATTACH_NETWORK,


It is clear that there is something wrong in your XenServer. If you want us
to help you, you need to provide a more log entries (not scattered bits).
Also, in the XenServer logs, there will be plenty of exceptions there
regarding this problem.
You said that user VMs are working. I am guessing you have an advanced
networking set up. Maybe the Guest network was not affected, but the
Management or Storage network configuration in the XenServer may be
affected by some misconfiguration/corruption that happened during the
force-reboot.

On Wed, Mar 15, 2017 at 11:42 AM, Fabiano A. Souza <f.souza@fdsouza.com.br>
wrote:

> The ACS is trying to do this itself.
>
> ACS create, trying start, after error stop and destroy the systemvms
> instance. The instance name or ID is being incremented at each attempt
> to create these instances (s-300-VM, s-301-VM...).
>
> ---
> FABIANO A. SOUZA
> _Assistência e Consultoria em TI_
> f.souza@fdsouza.com.br
> http://www.fdsouza.com.br
>
> Em 15/03/2017 12:27, Rafael Weingärtner escreveu:
>
> > You said you forced a reboot. It looks like something got corrupted in
> your
> > host.
> >
> > I would not do some drastic measure like destroying pool.
> >
> > Have you tried to destroy the system VMs and then let ACS re-create them?
> >
> > On Wed, Mar 15, 2017 at 11:23 AM, Fabiano A. Souza <
> f.souza@fdsouza.com.br>
> > wrote:
> >
> > Hi Rafael
> >
> > I have some other Guest (Windows/Linux) include VRs that works normally.
> > Only systemvms has problem to deploy. I use one pool with two XenServer
> > 7 host. In xenresource.log I see this error below.
> >
> > Mar 15 08:31:32 fl-mia-compute1 xapi: [error|fl-mia-compute1|605 INET
> > :::80|dispatch:VIF.unplug D:6cce7f031461|backtrace] VIF.unplug
> > R:68394c4e8e7c failed with exception Db_exn.DBCache_NotFound("missing
> > row", "VIF", "OpaqueRef:20e49fbf-5c92-ef21-805b-13b1997e326e")
> >
> > Mar 15 08:31:32 fl-mia-compute1 xapi: [error|fl-mia-compute1|605 INET
> > :::80|dispatch:VIF.unplug D:b37f4fd2de0c|backtrace] VIF.unplug
> > R:fcca316e07d3 failed with exception Db_exn.DBCache_NotFound("missing
> > row", "VIF", "OpaqueRef:4d7c3a36-982a-825e-e71f-8978108ec56b")
> >
> > I'm thinking remove the hosts from CloudStack and destroy pool. Create
> > again the pool and re-attach them again on CloudStack configuration. Do
> > you believe that can I have problem to start the guests instance after
> > that?
> >
> > ---
> > FABIANO A. SOUZA
> > _Assistência e Consultoria em TI_
> > f.souza@fdsouza.com.br
> > http://www.fdsouza.com.br
> >
> > Em 15/03/2017 11:28, Rafael Weingärtner escreveu:
> >
> > This is not an Apache CloudStack (ACS) problem per se.
> > "HOST_CANNOT_ATTACH_NETWOR"
> > Something is wrong with your hosts. Are all of the networks of yours
> hosts working? is everything in place as ACS expects?
> >
> > On Wed, Mar 15, 2017 at 10:26 AM, Fabiano A. Souza <
> f.souza@fdsouza.com.br> wrote:
> >
> > After my host with XenServer 7 forced reboot the systemvms can't start
> > anymore.
> >
> > Can you help me?
> >
> > 2017-03-14 09:42:10,724 WARN [c.c.h.x.r.CitrixResourceBase]
> > (DirectAgent-184:ctx-f12cdd04) (logid:4552cd9d) Task failed! Task
> > record: uuid: 84f3483d-1021-22fb-be39-2eb15366e03e
> > nameLabel: Async.VM.start_on
> > nameDescription:
> > allowedOperations: []
> > currentOperations: {}
> > created: Tue Mar 14 09:42:46 BRT 2017
> > finished: Tue Mar 14 09:42:46 BRT 2017
> > status: failure
> > residentOn: com.xensource.xenapi.Host@4e05ddb9
> > progress: 1.0
> > type: <none/>
> > result:
> > errorInfo: [HOST_CANNOT_ATTACH_NETWORK,
> > OpaqueRef:3269022e-9b3d-88ca-8fb1-b15f3948b3a9,
> > OpaqueRef:cd7b3c3e-92fd-18a3-eaa7-099aa066bb46]
> > otherConfig: {}
> > subtaskOf: com.xensource.xenapi.Task@aaf13f6f
> > subtasks: []
> >
> > 2017-03-14 09:42:10,730 WARN [c.c.h.x.r.CitrixResourceBase]
> > (DirectAgent-184:ctx-f12cdd04) (logid:4552cd9d) Unable to start
> > VM(s-294-VM) on host(b8324267-2cbe-4aa9-9b26-215375cb5553) due to Task
> > failed! Task record: uuid: 84f3483d-1021-22fb-be39-2eb15366e03e
> > nameLabel: Async.VM.start_on
> > nameDescription:
> > allowedOperations: []
> > currentOperations: {}
> > created: Tue Mar 14 09:42:46 BRT 2017
> > finished: Tue Mar 14 09:42:46 BRT 2017
> > status: failure
> > residentOn: com.xensource.xenapi.Host@4e05ddb9
> > progress: 1.0
> > type: <none/>
> > result:
> > errorInfo: [HOST_CANNOT_ATTACH_NETWORK,
> > OpaqueRef:3269022e-9b3d-88ca-8fb1-b15f3948b3a9,
> > OpaqueRef:cd7b3c3e-92fd-18a3-eaa7-099aa066bb46]
> > otherConfig: {}
> > subtaskOf: com.xensource.xenapi.Task@aaf13f6f
> > subtasks: []
> >
> > Task failed! Task record: uuid: 84f3483d-1021-22fb-be39-2eb15366e03e
> > nameLabel: Async.VM.start_on
> > nameDescription:
> > allowedOperations: []
> > currentOperations: {}
> > created: Tue Mar 14 09:42:46 BRT 2017
> > finished: Tue Mar 14 09:42:46 BRT 2017
> > status: failure
> > residentOn: com.xensource.xenapi.Host@4e05ddb9
> > progress: 1.0
> > type: <none/>
> > result:
> > errorInfo: [HOST_CANNOT_ATTACH_NETWORK,
> > OpaqueRef:3269022e-9b3d-88ca-8fb1-b15f3948b3a9,
> > OpaqueRef:cd7b3c3e-92fd-18a3-eaa7-099aa066bb46]
> > otherConfig: {}
> > subtaskOf: com.xensource.xenapi.Task@aaf13f6f
> > subtasks: []
> >
> > at
> > com.cloud.hypervisor.xenserver.resource.CitrixResourceBase.
> > checkForSuccess(CitrixResourceBase.java:471)
> > at
> > com.cloud.hypervisor.xenserver.resource.CitrixResourceBase.startVM(
> > CitrixResourceBase.java:4900)
> > at
> > com.cloud.hypervisor.xenserver.resource.wrapper.xenbase.
> > CitrixStartCommandWrapper.execute(CitrixStartCommandWrapper.java:128)
> > at
> > com.cloud.hypervisor.xenserver.resource.wrapper.xenbase.
> > CitrixStartCommandWrapper.execute(CitrixStartCommandWrapper.java:53)
> > at
> > com.cloud.hypervisor.xenserver.resource.wrapper.
> > xenbase.CitrixRequestWrapper.execute(CitrixRequestWrapper.java:122)
> > at
> > com.cloud.hypervisor.xenserver.resource.CitrixResourceBase.
>  executeRequest(
>
> >> CitrixResourceBase.java:1687)
> >> at
> >> com.cloud.agent.manager.DirectAgentAttache$Task.runInContext(
> >> DirectAgentAttache.java:315)
> >> 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:511)
> >> at java.util.concurrent.FutureTask.run(FutureTask.java:266)
> >> at
> >> java.util.concurrent.ScheduledThreadPoolExecutor$
> >> ScheduledFutureTask.access$201(ScheduledThreadPoolExecutor.java:180)
> >> at
> >> java.util.concurrent.ScheduledThreadPoolExecutor$
>  ScheduledFutureTask.run(
>
> >> ScheduledThreadPoolExecutor.java:293)
> >> at
> >> java.util.concurrent.ThreadPoolExecutor.runWorker(
> >> ThreadPoolExecutor.java:1142)
> >> at
> >> java.util.concurrent.ThreadPoolExecutor$Worker.run(
> >> ThreadPoolExecutor.java:617)
> >> at java.lang.Thread.run(Thread.java:745)
> >>
> >> --
> >> FABIANO A. SOUZA
> >> _Assistência e Consultoria em TI_
> >> f.souza@fdsouza.com.br
> >> http://www.fdsouza.com.br
>



-- 
Rafael Weingärtner

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