[Linux-cluster] failover domain and service start
emmanuel segura
emi2fast at gmail.com
Fri Nov 22 17:10:12 UTC 2013
ok, but your vm doesn't start on others nodes, i think, for configuration
problems
================================================================
Nov 21 15:40:29 vtst3 clurgmgrd[13911]: <notice> start on vm "guest1"
returned 1 (generic error)
Nov 21 15:40:29 vtst3 clurgmgrd[13911]: <warning> #68: Failed to start
vm:guest1; return value: 1
Nov 21 15:40:29 vtst3 clurgmgrd[13911]: <notice> Stopping service vm:guest1
Nov 21 15:40:35 vtst3 clurgmgrd[13911]: <notice> Service vm:guest1 is
recovering
Nov 21 15:40:35 vtst3 clurgmgrd[13911]: <warning> #71: Relocating failed
service vm:guest1
Nov 21 15:40:35 vtst3 clurgmgrd[13911]: <notice> Service vm:guest1 is
stopped
================================================================
in few words, try in every cluster node
export OCF_RESKEY_name="guest1" ; OCF_RESKEY_path="/vms_c"
set -x
/usr/share/cluster/vm.sh start
/usr/share/cluster/vm.sh stop
after you check if your vm can start and stop on every cluster node,
/usr/share/cluster/vm.sh start
/usr/share/cluster/vm.sh migrate name_of_a_cluster_node
can you show me your vm configuration under /vms_c?
Thanks
Emmanuel
2013/11/22 Paras pradhan <pradhanparas at gmail.com>
> And also to test I made use_virsh=1 , same problem. The vm does not start
> up if the FD domains are offline.
>
> -Paras.
>
>
> On Fri, Nov 22, 2013 at 10:37 AM, Paras pradhan <pradhanparas at gmail.com>wrote:
>
>> Well thats seems to theoretically correct. But right now my cluser has
>> use_virsh=0 and I don't have any issue untill my mebmers on the failover
>> domains are offline. So wondering what is it that clusvcadm -e is looking
>> when I don't use virsh .
>>
>>
>>
>>
>> On Fri, Nov 22, 2013 at 10:05 AM, emmanuel segura <emi2fast at gmail.com>wrote:
>>
>>> If you used virt-install, i think you need use virsh, the cluster uses
>>> xm xen command if you got use_virsh=0 and virsh if you got use_virsh=1 in
>>> your cluster config
>>>
>>>
>>> 2013/11/22 Paras pradhan <pradhanparas at gmail.com>
>>>
>>>> I use virt-install to create virtual machines. Is there a way to debug
>>>> why clusvcadm -e vm:guest1 is failing? vm.sh seems to use virsh and my
>>>> cluster.conf has use_virsh=0
>>>>
>>>>
>>>> Thanks
>>>>
>>>> Paras.
>>>>
>>>>
>>>> On Nov 21, 2013 5:53 PM, "emmanuel segura" <emi2fast at gmail.com> wrote:
>>>>
>>>>> but did you configure your vm with xen tools or using virt-manager?
>>>>>
>>>>>
>>>>> 2013/11/22 Paras pradhan <pradhanparas at gmail.com>
>>>>>
>>>>>> Well no i don't want to use virsh. But as we are debugging with
>>>>>> virsh now i found a strange issue.
>>>>>>
>>>>>> I exported an xml file and imported to all nodes . Ran
>>>>>>
>>>>>>
>>>>>> ---
>>>>>> name="guest1" path="/vms_c"
>>>>>>
>>>>>> export OCF_RESKEY_name="guest1" ; OCF_RESKEY_path="/vms_c"
>>>>>>
>>>>>> set -x
>>>>>> /usr/share/cluster/vm.sh start
>>>>>> set +x
>>>>>>
>>>>>> --
>>>>>> vm starts now. BUT from a cluster service : cluvscam -e vm:guest1 ,
>>>>>> same error.
>>>>>>
>>>>>>
>>>>>> So if i populate all my domains' config files to all my cluser nodes
>>>>>> and make use_virsh=1, then the issue is resolved. But this is a lot of work
>>>>>> for those who have hundreds of vm.
>>>>>>
>>>>>> vm.start uses virsh . Is there a way to tell him not use virsh?
>>>>>>
>>>>>>
>>>>>> Thanks
>>>>>> Paras.
>>>>>>
>>>>>>
>>>>>> On Thu, Nov 21, 2013 at 5:19 PM, emmanuel segura <emi2fast at gmail.com>wrote:
>>>>>>
>>>>>>> if you are using virsh for manage your vms, change this in your
>>>>>>> cluster.conf
>>>>>>>
>>>>>>> from
>>>>>>> use_virsh="0"
>>>>>>> to
>>>>>>> use_virsh="1"
>>>>>>>
>>>>>>>
>>>>>>> 2013/11/22 Paras pradhan <pradhanparas at gmail.com>
>>>>>>>
>>>>>>>> I think i found the problem.
>>>>>>>>
>>>>>>>> virsh list --all does not show my vm . This is because it was
>>>>>>>> created on another node. and another node has it. Now I want to start the
>>>>>>>> service on a different node in which it was not created or where virsh list
>>>>>>>> --all does not have an entry. Is it possible to create this entry using a
>>>>>>>> xen config file?Looks like this is now a Xen issue rather than a
>>>>>>>> linux-cluster issue . :)
>>>>>>>>
>>>>>>>> Paras.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Thu, Nov 21, 2013 at 4:58 PM, emmanuel segura <
>>>>>>>> emi2fast at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> 1:did you verify your xen livemigration configuration?
>>>>>>>>> 2: where you vm disk reside?
>>>>>>>>> 3: can you see your vm defined on every cluster node with xm list?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> 2013/11/21 Paras pradhan <pradhanparas at gmail.com>
>>>>>>>>>
>>>>>>>>>> This is what I get
>>>>>>>>>>
>>>>>>>>>> Hypervisor: xen
>>>>>>>>>> Management tool: virsh
>>>>>>>>>> Hypervisor URI: xen:///
>>>>>>>>>> Migration URI format: xenmigr://target_host/
>>>>>>>>>> Virtual machine guest1 is error: failed to get domain 'guest1'
>>>>>>>>>> error: Domain not found: xenUnifiedDomainLookupByName
>>>>>>>>>>
>>>>>>>>>> <debug> virsh -c xen:/// start guest1
>>>>>>>>>> error: failed to get domain 'guest1'
>>>>>>>>>> error: Domain not found: xenUnifiedDomainLookupByName
>>>>>>>>>>
>>>>>>>>>> ++ printf '\033]0;%s@%s:%s\007' root vtst3 '~'
>>>>>>>>>> [root at cvtst3 ~]# set +x
>>>>>>>>>> + set +x
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> --
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> I am wondering why it failed to get domain .
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> -Paras.
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>>> On Thu, Nov 21, 2013 at 4:43 PM, emmanuel segura <
>>>>>>>>>> emi2fast at gmail.com> wrote:
>>>>>>>>>>
>>>>>>>>>>> yes
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> 2013/11/21 Paras pradhan <pradhanparas at gmail.com>
>>>>>>>>>>>
>>>>>>>>>>>> Well it is guest1. Isn't it?.
>>>>>>>>>>>>
>>>>>>>>>>>> <vm autostart="1" domain="myfd1" exclusive="0" max_restarts="0"
>>>>>>>>>>>> name="guest1" path="/vms_c" recovery="restart" restart_expire_time="0"
>>>>>>>>>>>> use_virsh="0"/>
>>>>>>>>>>>>
>>>>>>>>>>>> It is a vm service if it matters.
>>>>>>>>>>>>
>>>>>>>>>>>> -Paras.
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>>
>>>>>>>>>>>> On Thu, Nov 21, 2013 at 4:22 PM, emmanuel segura <
>>>>>>>>>>>> emi2fast at gmail.com> wrote:
>>>>>>>>>>>>
>>>>>>>>>>>>> use the servicename you defined in your cluster.conf
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> 2013/11/21 Paras pradhan <pradhanparas at gmail.com>
>>>>>>>>>>>>>
>>>>>>>>>>>>>> Says:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> Running in test mode.
>>>>>>>>>>>>>> No resource guest1 of type service found
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> -Paras.
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
>>>>>>>>>>>>>> On Thu, Nov 21, 2013 at 4:07 PM, emmanuel segura <
>>>>>>>>>>>>>> emi2fast at gmail.com> wrote:
>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> rg_test test /etc/cluster/cluster.conf start service guest1
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> 2013/11/21 Paras pradhan <pradhanparas at gmail.com>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Hi,
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> My failover domain looks like this:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> <failoverdomain name="myfd1" nofailback="1" ordered="1"
>>>>>>>>>>>>>>>> restricted="0">
>>>>>>>>>>>>>>>> <failoverdomainnode
>>>>>>>>>>>>>>>> name="vtst1" priority="1"/>
>>>>>>>>>>>>>>>> <failoverdomainnode
>>>>>>>>>>>>>>>> name="vtst3" priority="2"/>
>>>>>>>>>>>>>>>> <failoverdomainnode
>>>>>>>>>>>>>>>> name="vtst2" priority="3"/>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> </failoverdomain>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I have vm service that uses this failover domain. If my
>>>>>>>>>>>>>>>> node vtst1 is offline, the service doesnot start on vtst3 which is 2nd in
>>>>>>>>>>>>>>>> the priority.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> I tried to start it with: clusvcadm -e vm:guest1 and even
>>>>>>>>>>>>>>>> with -F and -m option.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> All i see is this error:
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> Nov 21 15:40:29 vtst3 clurgmgrd[13911]: <notice> start on
>>>>>>>>>>>>>>>> vm "guest1" returned 1 (generic error)
>>>>>>>>>>>>>>>> Nov 21 15:40:29 vtst3 clurgmgrd[13911]: <warning> #68:
>>>>>>>>>>>>>>>> Failed to start vm:guest1; return value: 1
>>>>>>>>>>>>>>>> Nov 21 15:40:29 vtst3 clurgmgrd[13911]: <notice> Stopping
>>>>>>>>>>>>>>>> service vm:guest1
>>>>>>>>>>>>>>>> Nov 21 15:40:35 vtst3 clurgmgrd[13911]: <notice> Service
>>>>>>>>>>>>>>>> vm:guest1 is recovering
>>>>>>>>>>>>>>>> Nov 21 15:40:35 vtst3 clurgmgrd[13911]: <warning> #71:
>>>>>>>>>>>>>>>> Relocating failed service vm:guest1
>>>>>>>>>>>>>>>> Nov 21 15:40:35 vtst3 clurgmgrd[13911]: <notice> Service
>>>>>>>>>>>>>>>> vm:guest1 is stopped
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> How do I debug?
>>>>>>>>>>>>>>>> Thanks!
>>>>>>>>>>>>>>>> Paras.
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>> --
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>>>>>>>>>>>>>>>> Linux-cluster at redhat.com
>>>>>>>>>>>>>>>> https://www.redhat.com/mailman/listinfo/linux-cluster
>>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>>
>>>>>>>>>>>>>>> --
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>>>>>>>>>>>>>>>
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>>>>>>>>>>>>>>
>>>>>>>>>>>>>>
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>>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>>
>>>>>>>>>>>>> --
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>>>>>>>>>>>>>
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>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>>
>>>>>>>>>>> --
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>>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
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>>>>>>>>>
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>>>>>>>
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>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> esta es mi vida e me la vivo hasta que dios quiera
>>>>>
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>>>
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>>>
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>>
>
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