[Engine-devel] Stable PCI Addresses design wiki

[Eli Mesika]

----- Original Message -----
> From: "Omer Frenkel" <ofrenkel at redhat.com>
> To: "Eli Mesika" <emesika at redhat.com>
> Cc: engine-devel at ovirt.org
> Sent: Thursday, December 1, 2011 12:56:45 PM
> Subject: Re: [Engine-devel] Stable PCI Addresses design wiki
> 
> my notes:
> why adding new parameter to create verb and not using the createInfo?
> (or this is the intention?)

Yes, we will use the createInfo to pass that

> 
> if we expect xml to be large, perhaps it would be better to get it
> from db only before sending it to vdsm,
> to keep the vm object from getting too big, meaning never get it as
> part of vm dynamic.

Sure , I have considered that (see Logic Design) in original document:

b. Get the domxml from DAL for each VM we are running (creating) 
      This will insure that our VM entities are not keeping the domxml inside them, 
      rather, they will got it on demand

> 
> ----- Original Message -----
> > From: "Eli Mesika" <emesika at redhat.com>
> > To: engine-devel at ovirt.org
> > Sent: Wednesday, November 30, 2011 5:17:42 PM
> > Subject: Re: [Engine-devel] Stable PCI Addresses design wiki
> > 
> > Hi again
> > The following is a design draft for a new feature of oVirt-engine
> > planned for 3.1
> > 
> > The feature allow devices in guest virtual machines to retain the
> > same PCI address allocations as other devices are added or removed
> > from the guest configuration. This is particularly important for
> > Windows guests in order to prevent warnings or reactivation when
> > device addresses change.
> > 
> > This feature is supported by libvirt and should be implemented by
> > RHEVM and VDSM.
> > 
> > When creating a VM, QEMU allocates PCI addresses to the guest
> > devices, these addresses are being reported by libvirt to VDSM and
> > VDSM should report it back to RHEVM. RHEVM should persist the PCI
> > addresses and report it as part of the VM configuration on the next
> > run. If a change to the VM devices occurred RHEVM should detect the
> > change and persist the new PCI addresses.
> > 
> > Please review.
> > 
> > Thanks
> > Eli Mesika
> > Redhat ISRAEL
> > 
> > 
> > ----- Original Message -----
> > > From: "Eli Mesika" <emesika at redhat.com>
> > > To: engine-devel at ovirt.org
> > > Sent: Wednesday, November 30, 2011 5:06:37 PM
> > > Subject: [Engine-devel] Stable PCI Addresses design wiki
> > > 
> > > http://www.ovirt.org/wiki/Features/Design/StablePCIAddresses
> > > _______________________________________________
> > > Engine-devel mailing list
> > > Engine-devel at ovirt.org
> > > http://lists.ovirt.org/mailman/listinfo/engine-devel
> > > 
> > _______________________________________________
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> > 
>