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From Melanie Desaive <m.desa...@heinlein-support.de>
Subject Re: Can it happen that XenServer shuts down a VM autonomously?
Date Wed, 29 Mar 2017 13:23:13 GMT
Hi Dag,

thanks for you suggestion!

> Have you ruled out that the VM might have been shut down from within the VM guest OS
itself? 

And yes of course! Just checked with a test VM and the log messages look
exactly like those from Sunday. Stupid me. :/

Will investigate further in this direction.

Greetings,

Melanie

> 
> On 28/03/2017, 14:48, "Melanie Desaive" <m.desaive@heinlein-support.de> wrote:
> 
>     Hi all,
>     
>     on Sunday we had an issue, because one VM was unexpetedly down. After
>     starting the VM in ACS everything worked fine again.
>     
>     After investigating I found out the following situation:
>     
>     The ACS Logs point out, that ACS received a poweroff report while the VM
>     was expected to be running:
>     
>     ---
>     2017-03-26 13:03:38,468 INFO [c.c.v.VirtualMachineManagerImpl]
>     (DirectAgentCronJob-260:ctx-905a294a) VM i-86-1412-VM is at Running and
>     we received a power-off report while there is no pending jobs on it
>     2017-03-26 13:03:38,470 DEBUG [c.c.a.t.Request]
>     (DirectAgentCronJob-260:ctx-905a294a) Seq 28-7473723581621346009:
>     Sending { Cmd , MgmtId: 57177340185274, via: 28(acs-compute-6), Ver: v1,
>     Flags: 100011,
>     [{"com.cloud.agent.api.StopCommand":{"isProxy":false,"checkBeforeCleanup":true,"vmName":"i-86-1412-VM","executeInSequence":false,"wait":0}}]
>     }
>     2017-03-26 13:03:38,470 DEBUG [c.c.a.t.Request]
>     (DirectAgentCronJob-260:ctx-905a294a) Seq 28-7473723581621346009:
>     Executing: { Cmd , MgmtId: 57177340185274, via: 28(acs-compute-6), Ver:
>     v1, Flags: 100011,
>     [{"com.cloud.agent.api.StopCommand":{"isProxy":false,"checkBeforeCleanup":true,"vmName":"i-86-1412-VM","executeInSequence":false,"wait":0}}]
>     }
>     2017-03-26 13:03:38,480 DEBUG [c.c.h.x.r.w.x.CitrixStopCommandWrapper]
>     (DirectAgent-291:ctx-9b1e2233) 9. The VM i-86-1412-VM is in Stopping state
>     ---
>     
>     The xensource Log on the Compute node indicates, that the machine was
>     stopped:
>     
>     ---
>     Mar 26 13:00:10 acs-compute-6 xenopsd:
>     [debug|acs-compute-6|1|events|xenops] Received an event on managed VM
>     e3bad3f3-c49f-873d-943f-bc8a2af365e0
>     Mar 26 13:00:10 acs-compute-6 xenopsd:
>     [debug|acs-compute-6|1|queue|xenops] Queue.push ["VM_check_state",
>     "e3bad3f3-c49f-873d-943f-bc8a2af365e0"] onto
>     e3bad3f3-c49f-873d-943f-bc8a2af365e0:[  ]
>     Mar 26 13:00:10 acs-compute-6 xenopsd: [debug|acs-compute-6|10||xenops]
>     Queue.pop returned ["VM_check_state",
>     "e3bad3f3-c49f-873d-943f-bc8a2af365e0"]
>     Mar 26 13:00:10 acs-compute-6 xenopsd:
>     [debug|acs-compute-6|10|events|xenops] Task 449410 reference events:
>     ["VM_check_state", "e3bad3f3-c49f-873d-943f-bc8a2af365e0"]
>     Mar 26 13:00:10 acs-compute-6 xenopsd:
>     [debug|acs-compute-6|2|xenstore|xenstore_watch] xenstore unwatch
>     /vm/e3bad3f3-c49f-873d-943f-bc8a2af365e0/rtc/timeoffset
>     Mar 26 13:00:10 acs-compute-6 xenstored:  A820862      unwatch
>     /vm/e3bad3f3-c49f-873d-943f-bc8a2af365e0/rtc/timeoffset
>     /vm/e3bad3f3-c49f-873d-943f-bc8a2af365e0/rtc/timeoffset
>     Mar 26 13:00:10 acs-compute-6 xenstored:  A820862      unwatch
>     /vm/e3bad3f3-c49f-873d-943f-bc8a2af365e0/rtc/timeoffset
>     /vm/e3bad3f3-c49f-873d-943f-bc8a2af365e0/rtc/timeoffset
>     Mar 26 13:00:10 acs-compute-6 xenopsd:
>     [debug|acs-compute-6|10|events|xenops] VM.shutdown
>     e3bad3f3-c49f-873d-943f-bc8a2af365e0
>     ---
>     
>     Unfortunately I am not able to explain, how the VM.shutdown was
>     triggered on XenServer side. Are there known situations, when a
>     XenServer does trigger a VM shutdown autonomously?
>     
>     Greetings,
>     
>     Melanie
>     -- 
>     --
>     
>     Heinlein Support GmbH
>     Linux: Akademie - Support - Hosting
>     
>     http://www.heinlein-support.de
>     Tel: 030 / 40 50 51 - 0
>     Fax: 030 / 40 50 51 - 19
>     
>     Zwangsangaben lt. §35a GmbHG:
>     HRB 93818 B / Amtsgericht Berlin-Charlottenburg,
>     Geschäftsführer: Peer Heinlein  -- Sitz: Berlin
>     
>     
> 
> 
> Dag.Sonstebo@shapeblue.com 
> www.shapeblue.com
> 53 Chandos Place, Covent Garden, London  WC2N 4HSUK
> @shapeblue
>   
>  
> 

-- 
--

Heinlein Support GmbH
Linux: Akademie - Support - Hosting

http://www.heinlein-support.de
Tel: 030 / 40 50 51 - 0
Fax: 030 / 40 50 51 - 19

Zwangsangaben lt. §35a GmbHG:
HRB 93818 B / Amtsgericht Berlin-Charlottenburg,
Geschäftsführer: Peer Heinlein  -- Sitz: Berlin


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