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From Hari Kannan <hari.kan...@citrix.com>
Subject RE: [PROPOSAL] Configurable setting to use linked clones or not on VMware
Date Wed, 02 Jan 2013 21:16:49 GMT
Hi Chip,

The admin (Operator) will first have to make this an option of the service (compute) offering
if he want to provide this. Then the end-user gets to choose if he wants it or not. This is
what I understood of David's suggestion, which I seconded - sounds OK?

Hari

-----Original Message-----
From: Chip Childers [mailto:chip.childers@sungard.com] 
Sent: Wednesday, January 2, 2013 1:08 PM
To: cloudstack-dev@incubator.apache.org
Cc: Kelven Yang
Subject: Re: [PROPOSAL] Configurable setting to use linked clones or not on VMware

On Wed, Jan 2, 2013 at 4:04 PM, Hari Kannan <hari.kannan@citrix.com> wrote:
> I agree with David's suggestion of making it 2 way - service (compute) 
> offering as well as letting the user to select

Just to be clear...  I'm against letting users select a feature like this without the operator
making the decision to explicitly enable it somehow.  As long as that's considered, I'm good
with this.

> Hari
>
> -----Original Message-----
> From: David Nalley [mailto:david@gnsa.us]
> Sent: Wednesday, January 2, 2013 8:54 AM
> To: cloudstack-dev@incubator.apache.org
> Cc: Kelven Yang
> Subject: Re: [PROPOSAL] Configurable setting to use linked clones or 
> not on VMware
>
> On Wed, Jan 2, 2013 at 11:44 AM, Chip Childers <chip.childers@sungard.com> wrote:
>> On Wed, Jan 2, 2013 at 11:37 AM, David Nalley <david@gnsa.us> wrote:
>>> On Wed, Jan 2, 2013 at 11:10 AM, Chip Childers 
>>> <chip.childers@sungard.com> wrote:
>>>> On Wed, Dec 19, 2012 at 2:31 PM, Hari Kannan <hari.kannan@citrix.com>
wrote:
>>>>> Hello All,
>>>>>
>>>>>
>>>>>
>>>>> I wish to propose a better VM sync in CloudStack - I have added 
>>>>> some details 
>>>>> here<https://cwiki.apache.org/confluence/display/CLOUDSTACK/Config
>>>>> u
>>>>> rable+setting+to+use+linked+clones+or+not+on+VMware> along with a
>>>>> JIRA ticket 670
>>>>>
>>>>> Please review and comment
>>>>>
>>>>> Hari Kannan
>>>>
>>>> +1 to the concept.
>>>>
>>>> Same question as other emails: what release are you thinking for this?
>>>>  Is someone taking this work on?
>>>>
>>>> I pulled out your question on the design page, and have some thoughts:
>>>>
>>>>> Should this be at a template level or account level or VM level??
>>>>
>>>> Isn't this something that's more infrastructure centric?  i.e.:
>>>> linked clone functionality is provided by the hypervisor, and 
>>>> really is an operator decision (not a user decision).  Should the 
>>>> configuration reflect that, instead of leaking the infra 
>>>> implementation details to the end user?
>>>>
>>>
>>> I don't know that this is truly infra-specific - why not make it 
>>> part of the service offering; like local storage. Admin has to 
>>> configure it, but user gets the option of choosing it.
>>>
>>> --David
>>>
>>
>> That's reasonable...  the concern I have is that I'm not interested 
>> in the end user selecting this without the operator agreeing to 
>> offering it.  Service offerings are certainly a way to accomplish 
>> that goal, while also allowing users to decide when to use it.
>>
>> -chip
>
> My concern is that I don't want it to be boolean for an entire swath of infra - there
are use cases for both.
>
> --David
>

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