[ovirt-users] Can't understand Template Sub Version

[John Xue]

On Tue, Sep 16, 2014 at 2:44 PM, Omer Frenkel <ofrenkel at redhat.com> wrote:
>
>
> ----- Original Message -----
>> From: "John Xue" <xgxjohn at gmail.com>
>> To: users at ovirt.org
>> Sent: Monday, September 15, 2014 10:43:49 AM
>> Subject: [ovirt-users] Can't understand Template Sub Version
>>
>> Hi, All
>>
>>     I'm using oVirt Engine Version: 3.4.3-1.el6, but I can't
>> understand this function. I have 3 question:
>>
>> 1 How to change a vm to use other template sub version?
>>      I don't want to build a new vm from new template version.
>> 2 How to update a pool to use other template sub version?
>>      I'm using non latest version, and shutdown all vm of this pool,
>> but I still can't change template version.
>
> there is a gap, user cannot update the template version of already created vm or pool
> there is an open RFE for that:
> Bug 1140569 - [RFE] Provide UI ability to change "Template versioning" policy for existing pools
>
> regarding 1 - please note that template versions are only relevant for stateless vms, not all vms,
> since upgrading to new version means re-creating the vm disks, according to new version.
>
>> 3 How to create a pool with disable stateless function?
>>      In the property of template vm, I'm sure I don't enable
>> "stateless". But in the testing, I found all the vm are stateless vm.
>> How to disable it, or I'll lost all config and personal data.
>>
>>      Thank you very much!
>>
>
> vm pools are stateless by definition, it creates you pool of vms that users can "take from the pool", use it to do whatever they like,
> and once "returned" to the pool, all the user specific changes are gone, hence stateless.
>
> you can work with pools in 2 modes:
> automatic - vm returned to the pool when user shut it down.
> manual - admin need to manually return the vm to the pool, this way the state for the user is saved also between shut-downs, until the admin action.

Thank you!  After testing, manual pool works best for my needs. I hope
ovirt document guide us how to manual return vm to the pool, since I
need to google it. if I have a 100 vm pool, and need to update them, I
need to remove user assignment one by one, any good idea to do that?

>
>> --
>> Regards,
>> John Xue
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>>



-- 
Regards,
John Xue