Re: [Engine-devel] ovirt core MOM
----- Original Message -----
From: "Itamar Heim" <iheim(a)redhat.com>
To: "Ayal Baron" <abaron(a)redhat.com>
Cc: engine-devel(a)ovirt.org
Sent: Friday, January 20, 2012 2:12:27 AM
Subject: Re: [Engine-devel] ovirt core MOM
On 01/19/2012 11:58 AM, Ayal Baron wrote:
>
>
> ----- Original Message -----
>> On 01/18/2012 05:53 PM, Livnat Peer wrote:
>>> Hi All,
>>>
>>> This is what we've discussed in the meeting today:
>>>
>>> Multiple storage domain:
>>> - Should have a single generic verb for removing a disk.
>>> - We block removing the last template disk - template is
>>> immutable.
>>
>> but it will be deleted when deleting the template, right?
>
> Of course.
> The point is that the template is an immutable object and should
> not change (until we support editing a template at which point the
> user would have to change the template to edit mode before being
> able to make such changes and maybe also be able to run it and
> make changes internally?).
When i hear "edit a template" i don't expect replacing the files.
I expect a new edition of disks appearing as a new version of the
template. but they don't have to derive from same original template.
say i want to create a "Fedora 16 template", then update it every
month
with latest "yum update".
it doesn't matter if i use a VM from same template or just create a
new one.
then specify it is V2 of the "Fedora 16 template".
when someone creates a VM from this template, default version would
be
latest (but we can let them choose specific older versions as well)
+1. Nicely
put.
And just to add another common use case is the pool usage.
When we creating stateless VM pool from the template,
it would be nice to be able to update the template to V2,
and have all the newly created VMs dynamically based to the new template.
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