[Users] Thin Provisioning
Dafna Ron
dron at redhat.com
Sun Feb 24 10:16:54 UTC 2013
that's good input, I will look at the guide.
thanks
On 02/21/2013 06:00 PM, Juan Jose wrote:
> Many thanks for your information Dafna. Quick Start Guide doesn't
> explain nothing about this and I have follewed it to create the two
> VM, Fedora 17 and Windows 7, that I'm using to create Templates and
> when I have arrived to this part I have found this problem. Now I know
> what is the procedure
>
> Juanjo.
>
> On Thu, Feb 21, 2013 at 2:25 PM, Dafna Ron <dron at redhat.com
> <mailto:dron at redhat.com>> wrote:
>
> Hi Juan,
>
> I see what the issue is and it's actually by design.
> The template you created has a Preallocated image.
> in NFS, to make a preallocated image we actually write to the disk to
> make it preallocated.
>
> as you can see, I created a vm with preallocated disk in NFS and if I
> run DU during the creation of the image you can see the size go up:
>
> 2.4G .
> [root at orion f1a6a2e7-38f1-4a7c-8f3b-efbca664d7aa]# du -h
> 2.5G .
> [root at orion f1a6a2e7-38f1-4a7c-8f3b-efbca664d7aa]# du -h
> 2.6G .
> [root at orion f1a6a2e7-38f1-4a7c-8f3b-efbca664d7aa]#
>
>
> so in NFS storage, if your template is preallocated you cannot
> create a
> thin provision copy vm (distinguishing between the actual data and
> previously zeroed will be complicated).
> you can create a snapshot of that image which will be thin
> provision but
> it will be linked to the template.
> or you can create a thin provision template and than create a thin
> provision vm or preallocated vm.
>
> Dafna
>
>
>
> On 02/21/2013 01:56 PM, Juan Jose wrote:
> > Hello Dafna,
> >
> > I hope that this two screenshots provides this information.
> >
> > On Thu, Feb 21, 2013 at 11:38 AM, Dafna Ron <dron at redhat.com
> <mailto:dron at redhat.com>
> > <mailto:dron at redhat.com <mailto:dron at redhat.com>>> wrote:
> >
> > Can you please tell me what disk type you have on the
> template and
> > send
> > a screen shot of the Resource Allocation tab to the
> > users at ovirt.org <mailto:users at ovirt.org>
> <mailto:users at ovirt.org <mailto:users at ovirt.org>> list?
> >
> >
> > On 02/21/2013 09:43 AM, Juan Jose wrote:
> > > Hello Dafna,
> > >
> > > Yes, I have already selected the Clone radio button as the
> Start
> > Guide
> > > shows and the Thin Provision doesn't appears.
> > >
> > >
> > > On Wed, Feb 20, 2013 at 5:50 PM, Dafna Ron
> <dron at redhat.com <mailto:dron at redhat.com>
> > <mailto:dron at redhat.com <mailto:dron at redhat.com>>
> > > <mailto:dron at redhat.com <mailto:dron at redhat.com>
> <mailto:dron at redhat.com <mailto:dron at redhat.com>>>> wrote:
> > >
> > > ok. so you have 1 NFS data domain which has a template
> on it
> > and when
> > > you are trying to create a new vm you only have
> preallocated
> > disk
> > > type.
> > >
> > > when you open the new vm dialogue, after you select the
> > template,
> > > in the
> > > Resource allocation tab you need to select the clone radio
> > button (its
> > > near the Template Provisioning).
> > > once you do that, the allocation policy scroll will become
> > active and
> > > you will be able to select thin or preallocated.
> > >
> > > let me know if after you select the clone you still
> only have
> > > preallocated.
> > >
> > >
> > >
> > > On 02/20/2013 06:09 PM, Juan Jose wrote:
> > > > Hello Dafna,
> > > >
> > > > Are you want to say one NFS domain?, I have one for VM
> > aand one
> > > isos.
> > > >
> > > >
> > > > On Wed, Feb 20, 2013 at 4:46 PM, Dafna Ron
> > <dron at redhat.com <mailto:dron at redhat.com>
> <mailto:dron at redhat.com <mailto:dron at redhat.com>>
> > > <mailto:dron at redhat.com <mailto:dron at redhat.com>
> <mailto:dron at redhat.com <mailto:dron at redhat.com>>>
> > > > <mailto:dron at redhat.com <mailto:dron at redhat.com>
> <mailto:dron at redhat.com <mailto:dron at redhat.com>>
> > <mailto:dron at redhat.com <mailto:dron at redhat.com>
> <mailto:dron at redhat.com <mailto:dron at redhat.com>>>>> wrote:
> > > >
> > > > do you have more than one domain?
> > > >
> > > >
> > > > On 02/20/2013 05:38 PM, Juan Jose wrote:
> > > > > Hello everybody,
> > > > >
> > > > > I'm following the Quick Start Guide to clone a
> > machine from a
> > > > Template
> > > > > that it's already created. As thi guide says it's
> > necessary to
> > > > select
> > > > > in Allocation tab from Resource Allocation, Thin
> > > Provision. When
> > > > I try
> > > > > to do this and down the select field it doesn't
> > appear this
> > > > option, I
> > > > > only can see Preallocated. I have oVirt engine
> 3.1. Can
> > > somebody
> > > > give
> > > > > some light why I haven't this option in my
> webadmin?
> > > > >
> > > > > Many thanks in avanced,
> > > > >
> > > > > Juanjo.
> > > > >
> > > > >
> > > > > _______________________________________________
> > > > > Users mailing list
> > > > > Users at ovirt.org <mailto:Users at ovirt.org>
> <mailto:Users at ovirt.org <mailto:Users at ovirt.org>>
> > <mailto:Users at ovirt.org <mailto:Users at ovirt.org>
> <mailto:Users at ovirt.org <mailto:Users at ovirt.org>>>
> > > <mailto:Users at ovirt.org <mailto:Users at ovirt.org>
> <mailto:Users at ovirt.org <mailto:Users at ovirt.org>>
> > <mailto:Users at ovirt.org <mailto:Users at ovirt.org>
> <mailto:Users at ovirt.org <mailto:Users at ovirt.org>>>>
> > > > > http://lists.ovirt.org/mailman/listinfo/users
> > > >
> > > >
> > > > --
> > > > Dafna Ron
> > > > _______________________________________________
> > > > Users mailing list
> > > > Users at ovirt.org <mailto:Users at ovirt.org>
> <mailto:Users at ovirt.org <mailto:Users at ovirt.org>>
> > <mailto:Users at ovirt.org <mailto:Users at ovirt.org>
> <mailto:Users at ovirt.org <mailto:Users at ovirt.org>>>
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> <mailto:Users at ovirt.org <mailto:Users at ovirt.org>>
> > <mailto:Users at ovirt.org <mailto:Users at ovirt.org>
> <mailto:Users at ovirt.org <mailto:Users at ovirt.org>>>>
> > > > http://lists.ovirt.org/mailman/listinfo/users
> > > >
> > > >
> > >
> > >
> > > --
> > > Dafna Ron
> > >
> > >
> >
> >
> > --
> > Dafna Ron
> >
> >
>
>
> --
> Dafna Ron
>
>
--
Dafna Ron
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