[pve-devel] qemu-img convert crashes

Stefan Priebe - Profihost AG s.priebe at profihost.ag
Tue Apr 16 16:07:56 CEST 2013


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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