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From Hari Kannan <hari.kan...@citrix.com>
Subject RE: [PROPOSAL] Raise cluster size limit to 16 on VMware
Date Tue, 08 Jan 2013 17:43:57 GMT
Hi Koushik,

Can you please elaborate 

a) how the admin gets to set this value?
b) is this value set on a per cluster basis? If so, what is the default value?

Hari

-----Original Message-----
From: Koushik Das [mailto:koushik.das@citrix.com] 
Sent: Monday, January 7, 2013 4:57 AM
To: cloudstack-dev@incubator.apache.org
Subject: RE: [PROPOSAL] Raise cluster size limit to 16 on VMware

Didn't see any feedback, so am assuming that the approach seems reasonable. I will go ahead
and start with the implementation. Not planning to write a FS as this is a small feature and
the below mail summarizes it.

-Koushik

> -----Original Message-----
> From: Koushik Das [mailto:koushik.das@citrix.com]
> Sent: Thursday, January 03, 2013 5:26 PM
> To: cloudstack-dev@incubator.apache.org
> Subject: RE: [PROPOSAL] Raise cluster size limit to 16 on VMware
> 
> So based on the discussions would it be fair to conclude that this 
> should be handled by adding some column like 'max_host_per_cluster' in 
> hypervisor_capabilities table. Currently the following version entries 
> are present for Vmware. For each version an appropriate value can be 
> associated based on the limitations/actual supported. For other HVs 
> where this setting is not applicable some dummy value, say (-1) can be entered.
> 
> hv_type	hv_version
> VMware	default
> VMware	4.0
> VMware	4.1
> VMware	5.0
> 
> Let me know if there is a consensus on this.
> 
> Thanks,
> Koushik
> 
> > -----Original Message-----
> > From: Alex Huang [mailto:Alex.Huang@citrix.com]
> > Sent: Thursday, December 20, 2012 10:08 PM
> > To: cloudstack-dev@incubator.apache.org
> > Subject: RE: [PROPOSAL] Raise cluster size limit to 16 on VMware
> >
> > +1
> >
> > The more we move these types of things out of configuration and into 
> > component specific references the better.
> >
> > --Alex
> >
> > > -----Original Message-----
> > > From: Tamas Monos [mailto:tamasm@veber.co.uk]
> > > Sent: Thursday, December 20, 2012 8:10 AM
> > > To: cloudstack-dev@incubator.apache.org
> > > Subject: RE: [PROPOSAL] Raise cluster size limit to 16 on VMware
> > >
> > > Hi,
> > >
> > > I'd recommend removing any hard limits from CS and introduce a 
> > > variable like "max.guest.limit" on the Hypervisor Capabilities page.
> > > This value could default to 8, but should the admin decide 
> > > otherwise could be set to anything.
> > >
> > > Regards
> > >
> > > Tamas Monos                                               DDI         +44(0)2034687012
> > > Chief Technical                                             Office    +44(0)2034687000
> > > Veber: The Hosting Specialists               Fax         +44(0)871 522 7057
> > > http://www.veber.co.uk
> > >
> > > Follow us on Twitter: www.twitter.com/veberhost Follow us on
> Facebook:
> > > www.facebook.com/veberhost
> > >
> > > -----Original Message-----
> > > From: David Nalley [mailto:david@gnsa.us]
> > > Sent: 20 December 2012 15:25
> > > To: cloudstack-dev@incubator.apache.org
> > > Subject: Re: [PROPOSAL] Raise cluster size limit to 16 on VMware
> > >
> > > On Thu, Dec 20, 2012 at 1:54 AM, Koushik Das 
> > > <koushik.das@citrix.com>
> > > wrote:
> > > > This http://www.vmware.com/pdf/vsphere5/r51/vsphere-51-
> > > configuration-maximums.pdf mentions that the max. can be 32 for 
> > > ESX
> 5.1.
> > > Any specific reason to make it 16? Also it needs to be seen that 
> > > this limit works across all supported ESX versions.
> > > >
> > > > -Koushik
> > > >
> > >
> > > Yes - the different versions having different limits complicates 
> > > things a
> bit.
> > > 5.1 = 32, 5.0 = 16 4.x = 8?
> > >
> > > --David
> > >


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