[pve-devel] copy_vm: new option -target
Stefan Priebe - Profihost AG
s.priebe at profihost.ag
Fri May 3 10:58:46 CEST 2013
Am 03.05.2013 10:56, schrieb Alexandre DERUMIER:
>>> Linked clones are buggy with bobtail and will not be fixed before
>>> cuttlefish. So right now they're not usable. Also i'm mainly using
>>> templates with empty disks so they're not really linked at all i just
>>> use the templates as predefined settings.
>
> Oh ok, good to known !
>
>
> As workaround, for now, maybe can you use qcow2 file as template ?
> They use no space, and I think it should work to create sparse rbd target volume
Good idea - thanks.
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: Vendredi 3 Mai 2013 10:14:08
> Objet: Re: [pve-devel] copy_vm: new option -target
>
> Hi,
>
> Am 03.05.2013 10:11, schrieb Alexandre DERUMIER:
>> Hi Stefan,
>>
>> Just to known, why don't you use linked clone ? (Do you have tried it, does it work fine with rbd ? are io/s good ?)
>
> Linked clones are buggy with bobtail and will not be fixed before
> cuttlefish. So right now they're not usable. Also i'm mainly using
> templates with empty disks so they're not really linked at all i just
> use the templates as predefined settings.
>
>> Another idea for later, we could also implement:
>> 1)rbd clone
>> 2)rbd flatten (this detach the clone from the parent, copying data from parent to child)
>>
>>
>> Same can be use with nexenta for "full clone" from a snapshot.
>>
>>
>> I could be also usefull to detach an existing linked clone (it's also possible with qcow2 clone I think)
> Yes that might be a really cool feature.
>
> Stefan
>
>>
>> ----- Mail original -----
>>
>> De: "Dietmar Maurer" <dietmar at proxmox.com>
>> À: "Alexandre DERUMIER" <aderumier at odiso.com>
>> Cc: pve-devel at pve.proxmox.com, "Stefan Priebe - Profihost AG" <s.priebe at profihost.ag>
>> Envoyé: Vendredi 3 Mai 2013 08:42:25
>> Objet: RE: [pve-devel] copy_vm: new option -target
>>
>>>>> Should be possible to fix qemu-img?
>>> Yes, I think it should be possible. Code is not so huge.
>>>
>>> But Maybe do you have a better understanding of the code. (As you have played
>>> with backup ;)
>>
>> Maybe, but I need to make the other things stable first (this is only an 'optimization')
>>
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