Re: [ovirt-users] Hung task finalizing live migration

[Gervais de Montbrun]

YAY!! Glad it worked for you.

:-)

Cheers,
Gervais



> On Sep 10, 2016, at 12:05 PM, Maton, Brett  wrote:
> 
> Way-hey! finally the task has gone and I can do 'stuff' with that VM again.
> 
> Thanks Gervais, you're a star
> 
> On 10 September 2016 at 15:40, Maton, Brett  > wrote:
> Thanks Gervais I'll give that a go
> 
> On 10 September 2016 at 15:39, Gervais de Montbrun  > wrote:
> Hi Maton,
> 
> I have seen tasks in a weird state on my cluster also. I've had a vm get 
> "stuck" during a migration where it says "migrating to" in the web GUI, but 
> it has finished migrating hours ago... If I click "Cancel Migraton" the gui 
> tells me that it is not migrating, but I can't do any action on the vm 
> because I am then told that the vm can't be acted upon while it is migrating. 
> I also try to kill the task, but there are none listed
> 
> What has worked for me has been to put my hosted-engine in global maintenance 
> mode, then ssh into the hosted engine and run the "engine-setup" command. I 
> am not saying the is the best course of action, but when the engine comes 
> back online the task is cleared.
> 
> Cheers,
> Gervais
> 
> 
> 
>> On Sep 10, 2016, at 11:06 AM, Maton, Brett > > wrote:
>> 
>> Anyone know how to fix this broken task ?
>> 
>> It's persisted through a reboot of all hosts and the engine, something needs 
>> deleting from the database to clear the task and release the locked disk
>> 
>> On 8 September 2016 at 13:25, Maton, Brett > > wrote:
>> Thanks for the pointer Mikhail, however I don't get any tasks listed with 
>> that command:
>> 
>> vdsClient -s 0 getAllTasksStatuses
>> 
>> /usr/share/vdsm/vdsClient.py:33: DeprecationWarning: vdscli uses xmlrpc. 
>> since ovirt 3.6 xmlrpc is deprecated, please use vdsm.jsonrpcvdscli
>>   from vdsm import utils, vdscli, constants
>> 
>> {'status': {'message': 'OK', 'code': 0}, 'allTasksStatus': {}}
>> 
>> 
>> On 8 September 2016 at 09:51, Краснобаев Михаил > > wrote:
>> Hi,
>>  
>> There is a way to cancel a running task  -  look here 
>> http://lists.ovirt.org/pipermail/users/2014-November/028946.html 
>> 
>> I was able to stop snapshot deletion this way.
>>  
>> Best, Mikhail.
>>  
>> 08.09.2016, 08:14, "Maton, Brett" > >:
>>> Any suggestions ?
>>> 
>>> THe task has been hung for 5 days now, I can't start the machine or destroy 
>>> it.
>>> 
>>> 
>>> On 7 September 2016 at 06:49, Maton, Brett >> > wrote:
>>> Sorry just hit reply
>>> 
>>> I'm seeing these errors in the logs which look related to the problem:
>>> 
>>> 
>>> 2016-09-07 06:46:35,123 ERROR 
>>> [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller] 
>>> (DefaultQuartzScheduler6) [19c58c0d] Failed invoking callback end method 
>>> 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with 
>>> exception 'null', the callback is marked for end method retries
>>> 2016-09-07 06:46:45,184 ERROR [org.ovirt.engine.core.bll.Com 
>>> mandsFactory] 
>>> (DefaultQuartzScheduler7) [19c58c0d] Error in invocating CTOR of command 
>>> 'LiveMigrateDisk': null
>>> 2016-09-07 06:46:45,185 ERROR 
>>> [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller] 
>>> (DefaultQuartzScheduler7) [19c58c0d] Failed invoking callback end method 
>>> 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with 
>>> exception 'null', the callback is marked for end method retries
>>> 
>>> On 5 September 2016 at 06:46, Nir Soffer >> > wrote:
>>> Hi Maton,
>>> 
>>> Please reply to the list, not to me directly.
>>> 
>>> Ala, can you look at this? is this a known issue?
>>> 
>>> Thanks,
>>> Nir
>>> 
>>> On Mon, Sep 5, 2016 at 8:43 AM, Maton, Brett >> > wrote:
>>> > Log files as requested
>>> >
>>> > https://ufile.io/4fc35  vdsm log
>>> > https://ufile.io/e9836  engine 03-Sep
>>> > https://ufile.io/15f37  engine 04-Sep
>>> >
>>> > vdsm log stops on the 01-Sep...
>>> >
>>> > Couple of entries from the event log:
>>> >
>>> > Sep 3, 2016 7:31:07 PMSnapshot 'Auto-generated for Live Storage
>>> > Migration' deletion for VM 'lv01' has been completed.
>>> > Sep 3, 2016 6:46:46 PMSnapshot 'Auto-generated for Live Storage
>>> > Migration' deletion for VM 'lv01' was initiated by SYSTEM
>>> >
>>> > And the related tasks
>>> >
>>> > Removing Snapshot Auto-generated for Live Storage Migration of VM lv01
>>> > Sep 

Re: [ovirt-users] Hung task finalizing live migration

[Maton, Brett]

Way-hey! finally the task has gone and I can do 'stuff' with that VM again.

Thanks Gervais, you're a star

On 10 September 2016 at 15:40, Maton, Brett 
wrote:

> Thanks Gervais I'll give that a go
>
> On 10 September 2016 at 15:39, Gervais de Montbrun  > wrote:
>
>> Hi Maton,
>>
>> I have seen tasks in a weird state on my cluster also. I've had a vm get
>> "stuck" during a migration where it says "migrating to" in the web GUI, but
>> it has finished migrating hours ago... If I click "Cancel Migraton" the gui
>> tells me that it is not migrating, but I can't do any action on the vm
>> because I am then told that the vm can't be acted upon while it is
>> migrating. I also try to kill the task, but there are none listed
>>
>> What has worked for me has been to put my hosted-engine in global
>> maintenance mode, then ssh into the hosted engine and run the
>> "engine-setup" command. I am not saying the is the best course of action,
>> but when the engine comes back online the task is cleared.
>>
>> Cheers,
>> Gervais
>>
>>
>>
>> On Sep 10, 2016, at 11:06 AM, Maton, Brett 
>> wrote:
>>
>> Anyone know how to fix this broken task ?
>>
>> It's persisted through a reboot of all hosts and the engine, something
>> needs deleting from the database to clear the task and release the locked
>> disk
>>
>> On 8 September 2016 at 13:25, Maton, Brett 
>> wrote:
>>
>>> Thanks for the pointer Mikhail, however I don't get any tasks listed
>>> with that command:
>>>
>>> vdsClient -s 0 getAllTasksStatuses
>>>
>>> /usr/share/vdsm/vdsClient.py:33: DeprecationWarning: vdscli uses
>>> xmlrpc. since ovirt 3.6 xmlrpc is deprecated, please use vdsm.jsonrpcvdscli
>>>   from vdsm import utils, vdscli, constants
>>>
>>> {'status': {'message': 'OK', 'code': 0}, 'allTasksStatus': {}}
>>>
>>>
>>> On 8 September 2016 at 09:51, Краснобаев Михаил  wrote:
>>>
 Hi,

 There is a way to cancel a running task  -  look here
 http://lists.ovirt.org/pipermail/users/2014-November/028946.html
 I was able to stop snapshot deletion this way.

 Best, Mikhail.

 08.09.2016, 08:14, "Maton, Brett" :

 Any suggestions ?

 THe task has been hung for 5 days now, I can't start the machine or
 destroy it.


 On 7 September 2016 at 06:49, Maton, Brett 
 wrote:

 Sorry just hit reply

 I'm seeing these errors in the logs which look related to the problem:


 2016-09-07 06:46:35,123 ERROR 
 [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller]
 (DefaultQuartzScheduler6) [19c58c0d] Failed invoking callback end method
 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with
 exception 'null', the callback is marked for end method retries
 2016-09-07 06:46:45,184 ERROR [org.ovirt.engine.core.bll.Com
 mandsFactory]
 (DefaultQuartzScheduler7) [19c58c0d] Error in invocating CTOR of command
 'LiveMigrateDisk': null
 2016-09-07 06:46:45,185 ERROR 
 [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller]
 (DefaultQuartzScheduler7) [19c58c0d] Failed invoking callback end method
 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with
 exception 'null', the callback is marked for end method retries

 On 5 September 2016 at 06:46, Nir Soffer  wrote:

 Hi Maton,

 Please reply to the list, not to me directly.

 Ala, can you look at this? is this a known issue?

 Thanks,
 Nir

 On Mon, Sep 5, 2016 at 8:43 AM, Maton, Brett 
 wrote:
 > Log files as requested
 >
 > https://ufile.io/4fc35 vdsm log
 > https://ufile.io/e9836 engine 03-Sep
 > https://ufile.io/15f37 engine 04-Sep
 >
 > vdsm log stops on the 01-Sep...
 >
 > Couple of entries from the event log:
 >
 > Sep 3, 2016 7:31:07 PMSnapshot 'Auto-generated for Live Storage
 > Migration' deletion for VM 'lv01' has been completed.
 > Sep 3, 2016 6:46:46 PMSnapshot 'Auto-generated for Live Storage
 > Migration' deletion for VM 'lv01' was initiated by SYSTEM
 >
 > And the related tasks
 >
 > Removing Snapshot Auto-generated for Live Storage Migration of VM lv01
 > Sep 3, 2016 6:46:44 PMN/A29f45ca9
 > ValidatingSep 3, 2016 6:46:44 PMuntilSep 3, 2016 6:46:44
 PM
 > ExecutingSep 3, 2016 6:46:44 PMuntilSep 3, 2016 7:31:06 PM
 >
 > FinalizingSep 3, 2016 7:31:06 PMN/A
 >
 >
 >
 > On 4 September 2016 at 14:27, Nir Soffer  wrote:
 >>
 >> On Sun, Sep 4, 2016 at 12:40 PM, Maton, Brett <
 mat...@ltresources.co.uk>
 >> wrote:
 >>>
 >>> How do I fix / kill a 

Re: [ovirt-users] Overt Networking VPN

[Dan Yasny]

On Wed, Sep 7, 2016 at 11:27 PM, System Administrator <
sysad...@phoenixhawaii.net> wrote:

> Aloha,
>
> I am attempting to set up an Ovirt environment across every server that I
> currently manage.  I have a set of servers in one location, behind a single
> firewall with multiple IP's, and I have another set of servers in a second
> location halfway around the world, also with their own set of IP's.
> Additionally, the servers have different types of Intel CPU's, and varying
> amounts of memory and storage.  I also have a Fiber Optic SAN that I would
> like to use as my storage.
>

Do you have the same SAN at both locations? Are you able to set up async
replication between the two SANs?


>
> My question is:  Do I have to set up a VPN between every server that I
> want to install Ovirt on in order to manage them under a single Ovirt
> installation?  If so, how would I gain a highly available scenario?   In
> this case, if the server acting as the VPN server failed, the entire Ovirt
> system would collapse as well due to inability to communicate.
>

You need to have a VPN link between two sites, preferably a redundant one,
and with some serious bandwidth too, if you intend to replicate the SANs
across it. Once you have a replica of your storage domain on the second
site working, if the primary site goes down, you can bring everything up on
the secondary site. If you want this at a VM and not SD level, you might
either have to replicate LUNs separately and use direct LUNs for VMs, or
write some management scripts around it, so you will never end up with the
same VM started on both sites. The latter will also require active-active
LUN replication, which is usually a bad idea to start with.


>
> My goal is to combine the resources of all of my servers so that I can
> live migrate VM's between them based upon workload, and also availability
> of hardware.  If the servers in Canada fail for instance, I want the
> services to automatically migrate to my servers in Hawaii.
>

load balancing will be very tricky, DR - much easier.


>
> Any assistance you can provide would be greatly appreciated.  Thank you!
>
> Trenton
>
>
> Trenton D Warren
> President and CEO
> Phoenix Holdings Corporation
> Work:   (808) 263-7448
> Cell: (478) 867-3107
> www.phoenixhawaii.net
> ___
> Users mailing list
> Users@ovirt.org
> http://lists.ovirt.org/mailman/listinfo/users
>
___
Users mailing list
Users@ovirt.org
http://lists.ovirt.org/mailman/listinfo/users

Re: [ovirt-users] Hung task finalizing live migration

[Maton, Brett]

Thanks Gervais I'll give that a go

On 10 September 2016 at 15:39, Gervais de Montbrun 
wrote:

> Hi Maton,
>
> I have seen tasks in a weird state on my cluster also. I've had a vm get
> "stuck" during a migration where it says "migrating to" in the web GUI, but
> it has finished migrating hours ago... If I click "Cancel Migraton" the gui
> tells me that it is not migrating, but I can't do any action on the vm
> because I am then told that the vm can't be acted upon while it is
> migrating. I also try to kill the task, but there are none listed
>
> What has worked for me has been to put my hosted-engine in global
> maintenance mode, then ssh into the hosted engine and run the
> "engine-setup" command. I am not saying the is the best course of action,
> but when the engine comes back online the task is cleared.
>
> Cheers,
> Gervais
>
>
>
> On Sep 10, 2016, at 11:06 AM, Maton, Brett 
> wrote:
>
> Anyone know how to fix this broken task ?
>
> It's persisted through a reboot of all hosts and the engine, something
> needs deleting from the database to clear the task and release the locked
> disk
>
> On 8 September 2016 at 13:25, Maton, Brett 
> wrote:
>
>> Thanks for the pointer Mikhail, however I don't get any tasks listed with
>> that command:
>>
>> vdsClient -s 0 getAllTasksStatuses
>>
>> /usr/share/vdsm/vdsClient.py:33: DeprecationWarning: vdscli uses xmlrpc.
>> since ovirt 3.6 xmlrpc is deprecated, please use vdsm.jsonrpcvdscli
>>   from vdsm import utils, vdscli, constants
>>
>> {'status': {'message': 'OK', 'code': 0}, 'allTasksStatus': {}}
>>
>>
>> On 8 September 2016 at 09:51, Краснобаев Михаил  wrote:
>>
>>> Hi,
>>>
>>> There is a way to cancel a running task  -  look here
>>> http://lists.ovirt.org/pipermail/users/2014-November/028946.html
>>> I was able to stop snapshot deletion this way.
>>>
>>> Best, Mikhail.
>>>
>>> 08.09.2016, 08:14, "Maton, Brett" :
>>>
>>> Any suggestions ?
>>>
>>> THe task has been hung for 5 days now, I can't start the machine or
>>> destroy it.
>>>
>>>
>>> On 7 September 2016 at 06:49, Maton, Brett 
>>> wrote:
>>>
>>> Sorry just hit reply
>>>
>>> I'm seeing these errors in the logs which look related to the problem:
>>>
>>>
>>> 2016-09-07 06:46:35,123 ERROR 
>>> [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller]
>>> (DefaultQuartzScheduler6) [19c58c0d] Failed invoking callback end method
>>> 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with
>>> exception 'null', the callback is marked for end method retries
>>> 2016-09-07 06:46:45,184 ERROR [org.ovirt.engine.core.bll.Com
>>> mandsFactory]
>>> (DefaultQuartzScheduler7) [19c58c0d] Error in invocating CTOR of command
>>> 'LiveMigrateDisk': null
>>> 2016-09-07 06:46:45,185 ERROR 
>>> [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller]
>>> (DefaultQuartzScheduler7) [19c58c0d] Failed invoking callback end method
>>> 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with
>>> exception 'null', the callback is marked for end method retries
>>>
>>> On 5 September 2016 at 06:46, Nir Soffer  wrote:
>>>
>>> Hi Maton,
>>>
>>> Please reply to the list, not to me directly.
>>>
>>> Ala, can you look at this? is this a known issue?
>>>
>>> Thanks,
>>> Nir
>>>
>>> On Mon, Sep 5, 2016 at 8:43 AM, Maton, Brett 
>>> wrote:
>>> > Log files as requested
>>> >
>>> > https://ufile.io/4fc35 vdsm log
>>> > https://ufile.io/e9836 engine 03-Sep
>>> > https://ufile.io/15f37 engine 04-Sep
>>> >
>>> > vdsm log stops on the 01-Sep...
>>> >
>>> > Couple of entries from the event log:
>>> >
>>> > Sep 3, 2016 7:31:07 PMSnapshot 'Auto-generated for Live Storage
>>> > Migration' deletion for VM 'lv01' has been completed.
>>> > Sep 3, 2016 6:46:46 PMSnapshot 'Auto-generated for Live Storage
>>> > Migration' deletion for VM 'lv01' was initiated by SYSTEM
>>> >
>>> > And the related tasks
>>> >
>>> > Removing Snapshot Auto-generated for Live Storage Migration of VM lv01
>>> > Sep 3, 2016 6:46:44 PMN/A29f45ca9
>>> > ValidatingSep 3, 2016 6:46:44 PMuntilSep 3, 2016 6:46:44 PM
>>> > ExecutingSep 3, 2016 6:46:44 PMuntilSep 3, 2016 7:31:06 PM
>>> >
>>> > FinalizingSep 3, 2016 7:31:06 PMN/A
>>> >
>>> >
>>> >
>>> > On 4 September 2016 at 14:27, Nir Soffer  wrote:
>>> >>
>>> >> On Sun, Sep 4, 2016 at 12:40 PM, Maton, Brett <
>>> mat...@ltresources.co.uk>
>>> >> wrote:
>>> >>>
>>> >>> How do I fix / kill a hung vdsm task?
>>> >>>
>>> >>> It seems to have completed the task but is stuck finalising.
>>> >>>
>>> >>> Removing Snapshot Auto-generated for Live Storage Migration
>>> >>> Validating
>>> >>> Executing
>>> >>> (hour glass) Finalizing
>>> >>>
>>> >>> Task has been 'stuck' finalising for over 13 hours
>>> >>
>>> >>
>>> >> Can you 

Re: [ovirt-users] Hung task finalizing live migration

[Gervais de Montbrun]

Hi Maton,

I have seen tasks in a weird state on my cluster also. I've had a vm get 
"stuck" during a migration where it says "migrating to" in the web GUI, but it 
has finished migrating hours ago... If I click "Cancel Migraton" the gui tells 
me that it is not migrating, but I can't do any action on the vm because I am 
then told that the vm can't be acted upon while it is migrating. I also try to 
kill the task, but there are none listed

What has worked for me has been to put my hosted-engine in global maintenance 
mode, then ssh into the hosted engine and run the "engine-setup" command. I am 
not saying the is the best course of action, but when the engine comes back 
online the task is cleared.

Cheers,
Gervais



> On Sep 10, 2016, at 11:06 AM, Maton, Brett  wrote:
> 
> Anyone know how to fix this broken task ?
> 
> It's persisted through a reboot of all hosts and the engine, something needs 
> deleting from the database to clear the task and release the locked disk
> 
> On 8 September 2016 at 13:25, Maton, Brett  > wrote:
> Thanks for the pointer Mikhail, however I don't get any tasks listed with 
> that command:
> 
> vdsClient -s 0 getAllTasksStatuses
> 
> /usr/share/vdsm/vdsClient.py:33: DeprecationWarning: vdscli uses xmlrpc. 
> since ovirt 3.6 xmlrpc is deprecated, please use vdsm.jsonrpcvdscli
>   from vdsm import utils, vdscli, constants
> 
> {'status': {'message': 'OK', 'code': 0}, 'allTasksStatus': {}}
> 
> 
> On 8 September 2016 at 09:51, Краснобаев Михаил  > wrote:
> Hi,
>  
> There is a way to cancel a running task  -  look here 
> http://lists.ovirt.org/pipermail/users/2014-November/028946.html 
> 
> I was able to stop snapshot deletion this way.
>  
> Best, Mikhail.
>  
> 08.09.2016, 08:14, "Maton, Brett"  >:
>> Any suggestions ?
>> 
>> THe task has been hung for 5 days now, I can't start the machine or destroy 
>> it.
>> 
>> 
>> On 7 September 2016 at 06:49, Maton, Brett > > wrote:
>> Sorry just hit reply
>> 
>> I'm seeing these errors in the logs which look related to the problem:
>> 
>> 
>> 2016-09-07 06:46:35,123 ERROR 
>> [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller] 
>> (DefaultQuartzScheduler6) [19c58c0d] Failed invoking callback end method 
>> 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with exception 
>> 'null', the callback is marked for end method retries
>> 2016-09-07 06:46:45,184 ERROR [org.ovirt.engine.core.bll.Com 
>> mandsFactory] 
>> (DefaultQuartzScheduler7) [19c58c0d] Error in invocating CTOR of command 
>> 'LiveMigrateDisk': null
>> 2016-09-07 06:46:45,185 ERROR 
>> [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller] 
>> (DefaultQuartzScheduler7) [19c58c0d] Failed invoking callback end method 
>> 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with exception 
>> 'null', the callback is marked for end method retries
>> 
>> On 5 September 2016 at 06:46, Nir Soffer > > wrote:
>> Hi Maton,
>> 
>> Please reply to the list, not to me directly.
>> 
>> Ala, can you look at this? is this a known issue?
>> 
>> Thanks,
>> Nir
>> 
>> On Mon, Sep 5, 2016 at 8:43 AM, Maton, Brett > > wrote:
>> > Log files as requested
>> >
>> > https://ufile.io/4fc35  vdsm log
>> > https://ufile.io/e9836  engine 03-Sep
>> > https://ufile.io/15f37  engine 04-Sep
>> >
>> > vdsm log stops on the 01-Sep...
>> >
>> > Couple of entries from the event log:
>> >
>> > Sep 3, 2016 7:31:07 PMSnapshot 'Auto-generated for Live Storage
>> > Migration' deletion for VM 'lv01' has been completed.
>> > Sep 3, 2016 6:46:46 PMSnapshot 'Auto-generated for Live Storage
>> > Migration' deletion for VM 'lv01' was initiated by SYSTEM
>> >
>> > And the related tasks
>> >
>> > Removing Snapshot Auto-generated for Live Storage Migration of VM lv01
>> > Sep 3, 2016 6:46:44 PMN/A29f45ca9
>> > ValidatingSep 3, 2016 6:46:44 PMuntilSep 3, 2016 6:46:44 PM
>> > ExecutingSep 3, 2016 6:46:44 PMuntilSep 3, 2016 7:31:06 PM
>> >
>> > FinalizingSep 3, 2016 7:31:06 PMN/A
>> >
>> >
>> >
>> > On 4 September 2016 at 14:27, Nir Soffer > > > wrote:
>> >>
>> >> On Sun, Sep 4, 2016 at 12:40 PM, Maton, Brett > >> >
>> >> wrote:
>> >>>
>> >>> How do I fix / kill a hung vdsm task?
>> >>>
>> >>> It seems to have completed the task but is stuck finalising.
>> >>>
>> >>> Removing Snapshot Auto-generated for Live 

Re: [ovirt-users] Hung task finalizing live migration

[Maton, Brett]

Anyone know how to fix this broken task ?

It's persisted through a reboot of all hosts and the engine, something
needs deleting from the database to clear the task and release the locked
disk

On 8 September 2016 at 13:25, Maton, Brett  wrote:

> Thanks for the pointer Mikhail, however I don't get any tasks listed with
> that command:
>
> vdsClient -s 0 getAllTasksStatuses
>
> /usr/share/vdsm/vdsClient.py:33: DeprecationWarning: vdscli uses xmlrpc.
> since ovirt 3.6 xmlrpc is deprecated, please use vdsm.jsonrpcvdscli
>   from vdsm import utils, vdscli, constants
>
> {'status': {'message': 'OK', 'code': 0}, 'allTasksStatus': {}}
>
>
> On 8 September 2016 at 09:51, Краснобаев Михаил  wrote:
>
>> Hi,
>>
>> There is a way to cancel a running task  -  look here
>> http://lists.ovirt.org/pipermail/users/2014-November/028946.html
>> I was able to stop snapshot deletion this way.
>>
>> Best, Mikhail.
>>
>> 08.09.2016, 08:14, "Maton, Brett" :
>>
>> Any suggestions ?
>>
>> THe task has been hung for 5 days now, I can't start the machine or
>> destroy it.
>>
>>
>> On 7 September 2016 at 06:49, Maton, Brett 
>> wrote:
>>
>> Sorry just hit reply
>>
>> I'm seeing these errors in the logs which look related to the problem:
>>
>>
>> 2016-09-07 06:46:35,123 ERROR 
>> [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller]
>> (DefaultQuartzScheduler6) [19c58c0d] Failed invoking callback end method
>> 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with
>> exception 'null', the callback is marked for end method retries
>> 2016-09-07 06:46:45,184 ERROR [org.ovirt.engine.core.bll.CommandsFactory]
>> (DefaultQuartzScheduler7) [19c58c0d] Error in invocating CTOR of command
>> 'LiveMigrateDisk': null
>> 2016-09-07 06:46:45,185 ERROR 
>> [org.ovirt.engine.core.bll.tasks.CommandCallbacksPoller]
>> (DefaultQuartzScheduler7) [19c58c0d] Failed invoking callback end method
>> 'onFailed' for command '07608003-ca05-4e2e-b917-85ce525c011b' with
>> exception 'null', the callback is marked for end method retries
>>
>> On 5 September 2016 at 06:46, Nir Soffer  wrote:
>>
>> Hi Maton,
>>
>> Please reply to the list, not to me directly.
>>
>> Ala, can you look at this? is this a known issue?
>>
>> Thanks,
>> Nir
>>
>> On Mon, Sep 5, 2016 at 8:43 AM, Maton, Brett 
>> wrote:
>> > Log files as requested
>> >
>> > https://ufile.io/4fc35 vdsm log
>> > https://ufile.io/e9836 engine 03-Sep
>> > https://ufile.io/15f37 engine 04-Sep
>> >
>> > vdsm log stops on the 01-Sep...
>> >
>> > Couple of entries from the event log:
>> >
>> > Sep 3, 2016 7:31:07 PMSnapshot 'Auto-generated for Live Storage
>> > Migration' deletion for VM 'lv01' has been completed.
>> > Sep 3, 2016 6:46:46 PMSnapshot 'Auto-generated for Live Storage
>> > Migration' deletion for VM 'lv01' was initiated by SYSTEM
>> >
>> > And the related tasks
>> >
>> > Removing Snapshot Auto-generated for Live Storage Migration of VM lv01
>> > Sep 3, 2016 6:46:44 PMN/A29f45ca9
>> > ValidatingSep 3, 2016 6:46:44 PMuntilSep 3, 2016 6:46:44 PM
>> > ExecutingSep 3, 2016 6:46:44 PMuntilSep 3, 2016 7:31:06 PM
>> >
>> > FinalizingSep 3, 2016 7:31:06 PMN/A
>> >
>> >
>> >
>> > On 4 September 2016 at 14:27, Nir Soffer  wrote:
>> >>
>> >> On Sun, Sep 4, 2016 at 12:40 PM, Maton, Brett <
>> mat...@ltresources.co.uk>
>> >> wrote:
>> >>>
>> >>> How do I fix / kill a hung vdsm task?
>> >>>
>> >>> It seems to have completed the task but is stuck finalising.
>> >>>
>> >>> Removing Snapshot Auto-generated for Live Storage Migration
>> >>> Validating
>> >>> Executing
>> >>> (hour glass) Finalizing
>> >>>
>> >>> Task has been 'stuck' finalising for over 13 hours
>> >>
>> >>
>> >> Can you share engine and vdsm logs since the time the merge was
>> started?
>> >>
>> >> Nir
>> >
>> >
>>
>> ,
>>
>> ___
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>>
>>
>>
>> --
>> С уважением, Краснобаев Михаил.
>>
>>
>>
>
>
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