RE: [Xen-users] Xen Cloud Platform maximum configurations

[<admin@xxxxxxxxxxx>]

I would not encourage anybody to decide which platform to sue simply based
on maximum configuration numbers (such as max memory or max CPUs).  It is a
misleading way of going about things, and it would likely create the wrong
conclusions.  For example, if you looked at max memory per guest, when would
you really need to roll out a cloud solution with 1TB of RAM per guest?  For
that matter, how often would you design a solution that needed even 128GB of
RAM per guest?  

If you are planning to virtualize a combination of desktop computers and
typical servers, it is extremely unlikely you would ever need to approach
any platform's maximums.  There are probably other criteria that should get
more weight.  Things like cost do factor in regardless of the size and scope
of a project.  If you turn in your course conclusion and focus only on the
max numbers for each platform (while ignoring actual real world concerns),
you will likely get the grade you earned.  Best of luck with it.


-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Rafael
Weingartner
Sent: Sunday, October 23, 2011 3:38 PM
To: Tom Lobato
Cc: Xen-user-list
Subject: Re: [Xen-users] Xen Cloud Platform maximum configurations

Hi Tom,
Of course I can post my work here. The problem is that the document is 
written in Portuguese.
It is a project for course conclusion.
I am proposing a cloud computing platform to virtualize computers and 
servers.
So, in this work I defined physical computer, virtual environment, types of 
virtualization and cloud computing (what it is, how to use it, deliver model

and etc.)
Then a described the most used cloud computing platforms (At least the 
platforms that I know are the most used). The platforms that I am describing

are Xen Cloud Platform, VMware, and Microsoft and IBM cloud solutions.
Now I am writing about the relationship between Mainframe and cloud 
computing. I am showing why I think that IBM cloud solution (System Z 
enterprise, Z/vm and Tivoli) is one of the best way to apply the cloud 
computing concepts.
And Finally I am proposing the use of Mainframe platform to apply the cloud 
computing concepts to deliver infrastructure as a service.
I am not an IBMer, yet. I think the Mainframe (System Z) and its 
architecture are the best platform to apply the cloud computing concepts

-----Original Message----- 
From: Tom Lobato
Sent: Saturday, October 22, 2011 5:57 PM
To: Rafael Weingartner
Cc: Xen-user-list
Subject: Re: [Xen-users] Xen Cloud Platform maximum configurations


Hi Raphael,
It would be nice if you post your work here, if possible, of course.



Em 22-10-2011 17:43, Rafael Weingartner escreveu:
> Thank you Todd, this links helped a lot.
>
>
> -----Original Message----- From: Todd Deshane
> Sent: Tuesday, October 11, 2011 1:52 PM
> To: Rafael Weingartner
> Cc: Xen-user-list
> Subject: Re: [Xen-users] Xen Cloud Platform maximum configurations
>
> On Sat, Oct 1, 2011 at 4:22 PM, Rafael Weingartner
> <rafaelweingartner@xxxxxxxxx> wrote:
>> Xen Cloud Platform maximum configurations
>>
>> Hey guys,
>>
>> I am writing about Cloud computing platform. So I need to describe the
>> platforms that are used the most. I described the VMware platform,
>> Microsoft
>> and I would like to describe the Xen Cloud Platform. Then I will compare
>> those platforms and show some real use cases.
>>
>> So, I found some information about the XCP on these links:
>> http://support.citrix.com/article/CTX123996
>>
>>
http://docs.vmd.citrix.com/XenServer/5.6.0/1.0/en_gb/guest.html#creatingVMs_
supported_OS_minimums
>>
>>
>>
http://docs.vmd.citrix.com/XenServer/5.6.0/1.0/en_gb/installation.html#sys_r
equirements-host
>>
>>
>> I am still missing some information such as:
>>
>> .         The maximum amount of disk that a VM can use;
>>
>> .         The maximum number of virtual processor per host processor;
>>
>> .         The maximum number of virtual machines on a host;
>>
>> .         The maximum number of virtual processors on a host;
>>
>> .         The maximum amount of storage that XCP can use;
>>
>> .         The maximum number of hosts on a XCP cluster
>>
>> .         The maximum number of virtual machines on a XCP cluster
>>
>>
>>
>> Does anyone know a document made by Xen or Citrix that has this kind of
>> information?
>
>
> Take a look at:
> http://www.citrix.com/English/ps2/products/feature.asp?contentID=1681747
> http://support.citrix.com/article/CTX131047
>
> Thanks,
> Todd
> 


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