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Re: [libvirt] [V2 PATCH 0/3] Transport Open vSwitch per-port data during live migration



On Sep 14, 2012, at 9:04 PM, Laine Stump wrote:
> On 09/14/2012 03:01 PM, Kyle Mestery wrote:
>> This series of commits has the end goal of allowing per-port data stored
>> in the Open vSwitch DB to be transported during live migration. This is
>> done by first providing a generic infrastructure for transporting network
>> data, adding some utility functions specific to Open vSwitch, and hooking
>> the two together.
>> 
>> The framework provided is generic in that other networking data could be
>> transferred as well by simply adding in additional hooks as needed.
>> ----
>> V2 of this patch series fixes some issues found when migrating VMs on
>> standard Linux bridges.
> 
> Oops. I just made some comments on one of the V1 patches before I
> scrolled down and saw these v2 patches. It looks like the same comments
> apply.
> 
Thanks Laine, I see your comments on the V1 patch set. I'll try to get these
updated, but I'm traveling next week, and will have to fit it into that schedule.
Stay tuned and thanks!

Kyle

> This is definitely looking better - it will make it much simpler for the
> next interface type that needs to send migration data to do so, and it
> gets the running of ovs-vsctl commands isolated into virnetdevopenvswitch.c.
> 
>> 
>> Kyle Mestery (3):
>>  Add the ability for the Qemu V3 migration protocol to include    
>>    transporting network configuration. A generic framework is proposed
>>        with this patch to allow for the transfer of opaque data.
>>  Add utility functions for Open vSwitch to both save per-port data    
>>    before a live migration, and restore the per-port data after a    
>>    live migration.
>>  Transport Open vSwitch per-port data during live migration by    
>>    using the utility functions virNetDevOpenvswitchGetMigrateData()   
>>     and virNetDevOpenvswitchSetMigrateData().
>> 
>> src/libvirt_private.syms        |   2 +
>> src/qemu/qemu_migration.c       | 291 +++++++++++++++++++++++++++++++++++++++-
>> src/util/virnetdevopenvswitch.c |  71 ++++++++++
>> src/util/virnetdevopenvswitch.h |   6 +
>> 4 files changed, 368 insertions(+), 2 deletions(-)





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