Re: [Xen-API] importing XCP 1.1 vm installed template into xcp 1.6 beta

[Denis Cardon <denis.cardon@xxxxxxxxxxxxxxxxxxxxxx>]

Hi Mike,
> > today I have tried importing vm template (ie a xcp vm with
> > is-a-template=true) from XCP 1.1 into XCP 1.6 and it failed, both
> > througth xencenter 6.1 and from command line. The command seems to run
> > fine, and I even get a uuid back, but nothing on the server
> >
> > # /opt/xensource/bin/xe  -s 192.168.1.10 -u root -pw xxxxxxxxx vm-import
> > filename=modele-wheezy-32bit.xva preserve=true
> > 78d27fd4-c8ff-2271-fb3a-3d2464366354
> >
> > The transfer time seems ok. However
> >
> > # xe vm-list uuid=78d27fd4-c8ff-2271-fb3a-3d2464366354
> > -> returns nothing.
> >
> > # xe template-list   uuid=78d27fd4-c8ff-2271-fb3a-3d2464366354
> > uuid ( RO)                : 78d27fd4-c8ff-2271-fb3a-3d2464366354
> >             name-label ( RW): modele-wheezy-32bit
> >       name-description ( RW):
> >
> > It seems that the 1.6 import mechanism mistook my vm-template with a
> > standard template...
> There is no such thing as a standard template. Your template is no
> different than the templates that are included with XCP.
>
> A template is just a VM with the is-a-template flag set to true. That's
> it, nothing special. It can have VDIs attached to it too.
>
> When you install a VM, the template is cloned, and the is-template flag
> is set to false. If there is a 'disks' key in the other-config, then
> vm-install will create disks as specified. If the template has VDIs
> attached, then those will be copied at attached to the new VM.
Thanks for you answer. So there is no difference between a VM, a 
template with attached VDI (shown with a blue icon in XenCenter), and a 
template without attached VDI (shown in yellow in XenCenter).
The xe template-* command lines are misleading since they are just a xe 
vm-* command line with is-a-template=true. Is there a command line to 
get the VDI uuid from a template?
Anyway, my initial problem was an import error of a 
template-with-attached-VDI exported from XCP 1.1 and imported into XCP 
1.6 beta2 (tried on a standalone server and a 2 nodes pool). It seems 
that the VDI is not properly imported. After import, when trying to 
create a new VM from template, it tells me that it cannot clone VDI.
I'll try to look in the log if I can spot anything interesting.

Thanks,

Denis




> > My vm has a VDI defined, but it does not exist when looking directly at
> > the lvm directory /dev/VG....
> >
> > Template import/export from 1.6 to 1.6 works fine. So this looks like a
> > bug, is there anyway I could import my template into 1.6?
> You already have, it seems. Try doing 'xe vm-install
> template=model-wheezy-32bit new-name-label=i-hope-this-works'.
>
> > By the way, the name template is kind of misleading, as it can be either
> > a vm with is-a-template=true, or a template xen object.
> As I said before, there is only one type of template, and that is just a
> VM with the is-a-template key set to true. Hope this helps,
>
> Mike

--
Denis Cardon
Tranquil IT Systems
Les Espaces Jules Verne, bâtiment A
12 avenue Jules Verne
44230 Saint Sébastien sur Loire
tel : +33 (0) 2.40.97.57.55
http://www.tranquil-it-systems.fr


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