[pve-devel] qemu-img convert crashes

Stefan Priebe - Profihost AG s.priebe at profihost.ag
Tue Apr 16 16:09:34 CEST 2013


ah it works if i set source AND dst format to raw. So we have to
overwrite it for rbd to raw.

Stefan

Am 16.04.2013 16:07, schrieb Stefan Priebe - Profihost AG:
> Hi,
> 
> does not work for me ;-(
> 
> activate volume vmstorssd1:vm-170-disk-1
> copy vmstorssd1:vm-166-disk-1 to vmstorssd1:vm-170-disk-1
>     (0.00/100%)
> TASK ERROR: create failed - copy failed: command '/usr/bin/qemu-img
> convert -t writeback -p -C -f rbd -O raw
> 'rbd:vmstorssd1/vm-166-disk-1:mon_host=10.255.0.100\:6789\;10.255.0.101\:6789\;10.255.0.102\:6789\;:auth_supported=none'
> 'rbd:vmstorssd1/vm-170-disk-1:mon_host=10.255.0.100\:6789\;10.255.0.101\:6789\;10.255.0.102\:6789\;:auth_supported=none''
> failed: got signal 11
> 
> 
> Stefan
> Am 16.04.2013 16:02, schrieb Alexandre DERUMIER:
>> I have found a similar error here 
>>
>> http://www.mail-archive.com/ceph-users@lists.ceph.com/msg00089.html
>>
>>
>> try to change
>>
>> -O rbd
>>
>> by 
>>
>> -O raw
>>
>> seem to work here
>>
>> Maybe something have change inside qemu about format...
>>
>>
>> convert -t writeback -p -C -f rbd -O raw 'rbd:vmstorssd1/vm-166-disk-1:mon_host=10.255.0.100\:6789\;10.255.0.101\:6789\;10.255.0.102\:6789\;:auth_supported=none' 'rbd:vmstorssd1/vm-169-disk-1:mon_host=10.255.0.100\:6789\;10.255.0.101\:6789\;10.255.0.102\:6789\;:auth_supported=none''
>>
>>
>> ----- Mail original ----- 
>>
>> De: "Alexandre DERUMIER" <aderumier at odiso.com> 
>> À: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
>> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com> 
>> Envoyé: Mardi 16 Avril 2013 15:44:11 
>> Objet: Re: [pve-devel] qemu-img convert crashes 
>>
>> I had just tested, 
>>
>> Indeed I got also a segfault.... 
>>
>> seem to be a regression .... 
>>
>> /usr/bin/qemu-img convert -t writeback -p -C -f qcow2 -O rbd /var/lib/vz/images/115/vm-115-disk-1.qcow2 'rbd:rbd/vm-249-disk-1:mon_host=10.6.0.100\:6789\;10.6.0.101\:6789\;10.6.0.102\:6789:auth_supported=none' 
>> Segmentation fault 
>>
>>
>> maybe qemu-devel or ceph-devel can help us to debug that? 
>>
>>
>> ----- Mail original ----- 
>>
>> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
>> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
>> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com> 
>> Envoyé: Mardi 16 Avril 2013 15:32:00 
>> Objet: Re: [pve-devel] qemu-img convert crashes 
>>
>> Am 16.04.2013 15:22, schrieb Alexandre DERUMIER: 
>>>>> Also a segfault. 
>>>
>>> Do you have tried with another rbd source volume ? Do you use stable ceph bobtail ? 
>>
>> Both yes always the same result... wouldn't it make sense to use rbd cp 
>> instead? 
>>
>>>
>>> ----- Mail original ----- 
>>>
>>> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
>>> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
>>> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com> 
>>> Envoyé: Mardi 16 Avril 2013 14:51:19 
>>> Objet: Re: [pve-devel] qemu-img convert crashes 
>>>
>>> Am 16.04.2013 14:42, schrieb Alexandre DERUMIER: 
>>>> oh, I never try to clone(copy) between 2 rbd storage, only from local to rbd , or rbd to local. 
>>>>
>>>> maybe can you try without '-t writeback ?' 
>>> Same. 
>>>
>>>> Does it work if you try to copy from rbd to local by example ? 
>>> Also a segfault. 
>>>
>>> I'm using: pve-qemu-kvm 1.4-6 
>>>
>>> Stefan 
>>>
>>>
>>>> ----- Mail original ----- 
>>>>
>>>> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
>>>> À: "Alexandre DERUMIER" <aderumier at odiso.com> 
>>>> Cc: pve-devel at pve.proxmox.com, "Dietmar Maurer" <dietmar at proxmox.com> 
>>>> Envoyé: Mardi 16 Avril 2013 14:36:50 
>>>> Objet: Re: [pve-devel] qemu-img convert crashes 
>>>>
>>>> HI, 
>>>>
>>>> here is the crash when trying to clone: 
>>>>
>>>> activate volume source vmstorssd1:vm-166-disk-1 
>>>> create target volume 
>>>> activate volume vmstorssd1:vm-169-disk-1 
>>>> copy vmstorssd1:vm-166-disk-1 to vmstorssd1:vm-169-disk-1 
>>>> (0.00/100%) 
>>>> TASK ERROR: create failed - copy failed: command '/usr/bin/qemu-img 
>>>> convert -t writeback -p -C -f rbd -O rbd 
>>>> 'rbd:vmstorssd1/vm-166-disk-1:mon_host=10.255.0.100\:6789\;10.255.0.101\:6789\;10.255.0.102\:6789\;:auth_supported=none' 
>>>> 'rbd:vmstorssd1/vm-169-disk-1:mon_host=10.255.0.100\:6789\;10.255.0.101\:6789\;10.255.0.102\:6789\;:auth_supported=none'' 
>>>> failed: got signal 1 
>>>>
>>>> Stefan 
>>>>
>>>> Am 16.04.2013 13:17, schrieb Stefan Priebe - Profihost AG: 
>>>>> Hi, 
>>>>>
>>>>> will recheck that. 
>>>>>
>>>>> Right now i want to create a template. But nothing happens.If i convert 
>>>>> a Machine into a template i just see a task qmtemplate => OK. That's 
>>>>> all. But the VM stays the same and i can still start / stop that one. 
>>>>>
>>>>> Greets, 
>>>>> Stefan 
>>>>>
>>>>> Am 16.04.2013 12:28, schrieb Alexandre DERUMIER: 
>>>>>>>> Then i'll wait until these patches get integrated. Right now qemu-img 
>>>>>>>> segfaults with rbd for me when trying to clone. 
>>>>>>
>>>>>> Could you describe the problem ? I have tested it last month and it was working fine. 
>>>>>>
>>>>>> (Just to be sure, you don't try to use qemu-img on a running vm, because it don't work) 
>>>>>>
>>>>>> ----- Mail original ----- 
>>>>>>
>>>>>> De: "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag> 
>>>>>> À: "Dietmar Maurer" <dietmar at proxmox.com> 
>>>>>> Cc: pve-devel at pve.proxmox.com 
>>>>>> Envoyé: Mardi 16 Avril 2013 11:04:39 
>>>>>> Objet: Re: [pve-devel] Feature HW Profiles 
>>>>>>
>>>>>> Hi, 
>>>>>> Am 16.04.2013 10:58, schrieb Dietmar Maurer: 
>>>>>>>>> VM templates will provide a way to do that (patches from Alexandre). 
>>>>>>>>
>>>>>>>> Yes and no as the disk will be also cloned. I'm just speaking about the settings 
>>>>>>>> like in OpenStack, OpenNebula and others. 
>>>>>>>
>>>>>>> We can also allow to create templates without any disks. You can then add the disks when you clone. 
>>>>>>
>>>>>> oh OK sorry. 
>>>>>>
>>>>>> Then i'll wait until these patches get integrated. Right now qemu-img 
>>>>>> segfaults with rbd for me when trying to clone. 
>>>>>>
>>>>>> Thanks! 
>>>>>>
>>>>>> Greets Stefan 
>>>>>>
>>>>>>
>>>>>> _______________________________________________ 
>>>>>> pve-devel mailing list 
>>>>>> pve-devel at pve.proxmox.com 
>>>>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-devel 
>>>>>>


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