[ovirt-users] update vm in a pool

Omer Frenkel ofrenkel at redhat.com
Thu May 15 10:49:25 UTC 2014



----- Original Message -----
> From: "Itamar Heim" <iheim at redhat.com>
> To: "nicola gentile" <nicola.gentile.to at gmail.com>, "Users at ovirt.org" <users at ovirt.org>, "Omer Frenkel"
> <ofrenkel at redhat.com>
> Sent: Thursday, May 15, 2014 1:29:41 PM
> Subject: Re: [ovirt-users] update vm in a pool
> 
> On 05/15/2014 05:07 AM, nicola gentile wrote:
> > Hi,
> > in a pool the vm is not stateless only?
> > I created a pool and I assigned users to it.
> > I applied your solution and it works fine.
> > I would like to tell you that after I upgrade the server, the firewall
> > is always abilitated though I've disabled.
> > After that I must disable the firewall.
> >
> > Thank you a lot for your help.
> >
> 
> VMs from a pool are stateless (return to base on shutdown) if:
> - started from admin portal as stateless (via runonce)
> - started from user portal (as-is) in an automatic pool
> 
> VMs from a pool are statefull if:
> - started from admin portal
> - the pool is manual - until the VM is "returned to pool".
> 
> admin not being stateless allows to do the following;
> 
> - create the pool
> - start the VMs from the admin portal (say, to have them sysprep)
> - shut them down, take a snapshot!
> - now use them as statless with the snapshot
> 
> (Omer - was this use case checked with template versions - that all
> snapshots are deleted? does it delete the entire VM?)
> 

yes, entire vm is deleted and re-created from the new version of the template.

> > ng
> >
> >
> > 2014-05-14 1:42 GMT+02:00 Itamar Heim <iheim at redhat.com>:
> >> On 05/13/2014 11:00 AM, nicola gentile wrote:
> >>>
> >>> Good morning,
> >>> I am new user, and I would ask you an information.
> >>> I have installed ovirt 3.4.
> >>> I created a pool with 3 vm, too.
> >>>
> >>> I should add software to 3 vm how I must proceed?
> >>> 1) I must delete the vm from pool, and than add the software and then
> >>> recreate the pool?
> >>> 2) or there are other solution?
> >>>
> >>> Thank you a lot.
> >>>
> >>> ng
> >>> _______________________________________________
> >>> Users mailing list
> >>> Users at ovirt.org
> >>> http://lists.ovirt.org/mailman/listinfo/users
> >>>
> >>
> >> do you want to use the VMs as stateless or statefull?
> >> did you use the pool to assign a single vm per user from user portal, or
> >> just to create a bunch of similar VMs?
> >>
> >> 3.4 has "template versions", so you can create a new version of the
> >> template, and next time you shutdown/start the VMs, they will rebase to
> >> latest version of the template if pool is so defined.
> >>
> >> you can also install the application on the VM after you start it as an
> >> admin (which doesn't create the stateless snapshot by default like when a
> >> user starts the pool'd vm from the user portal).
> > _______________________________________________
> > Users mailing list
> > Users at ovirt.org
> > http://lists.ovirt.org/mailman/listinfo/users
> >
> 
> 



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