openstack team mailing list archive

[Kuo Hugo <tonytkdk@xxxxxxxxx>]

Thanks Vish....

I'll have a test with this new option in nearly day.

Hugo Kuo

2011/7/22 Vishvananda Ishaya <vishvananda@xxxxxxxxx>

> We just recently merged a new HA networking option.  See details in my blog
> post here:
>
> http://unchainyourbrain.com/openstack/13-networking-in-nova
>
> <http://unchainyourbrain.com/openstack/13-networking-in-nova>Vish
>
> On Jul 20, 2011, at 10:04 PM, Mike Scherbakov wrote:
>
> Hi,
> Thank you for the work on making nova components HA.
>
> Did you have a chance to move further in this topic?
> I especially interested in making nova-network HA and looking for possible
> active-active implementations,
> so the downtime of the service would me minimal.
>
> Thank you,
>
> On Tue, May 3, 2011 at 1:22 PM, Edward Konetzko <
> konetzed@xxxxxxxxxxxxxxxxx> wrote:
>
>> I have attached the slides and Tushar Patil doc on making nova-network ha
>> along with the etherpad notes on the bottom.
>>
>>
>> I hope to follow this email up later on in the week with plans for a full
>> reference document based on Cacti.  Thanks for everyone’s participation at
>> the Summit.
>>
>> Thanks
>> Edward Konetzko
>>
>> Etherpad notes
>>
>>
>> This Etherpad is for the
>> Discussion on Design & Software Considerations for Making Nova HA/Fault
>> Tolerant
>> Please put ideas or comments in the appropriate sections
>>
>>
>> Database
>> - Does zones alleviate the need for HAing the DB?
>>
>>
>>
>> RabbitMQ
>> For comparison http://wiki.secondlife.com/**
>> wiki/Message_Queue_Evaluation_**Notes<http://wiki.secondlife.com/wiki/Message_Queue_Evaluation_Notes>
>> - Need to update managers to create persistant queues and messages
>> - XMPP an alternate?
>> Talk to RabbitMQ devs about
>> - Long term can we use Burrow?
>>
>>
>> Nova-Network
>> NTT Data documentation mailed to openstack list for their heartbeat POC
>> tests
>> Are there issues running multiple network nodes and assigning the same IP
>> to mutlple instances?
>> How about VRRP protocol?
>>   --> we (NTT) are planning to evaluate VRRP using keepalived or some
>> other software. Does anyone knows suitable software?
>>
>>
>> Nova-scheduler
>> Vish said you can run more then one
>> - Yeah with zones and how the scheduler is structured now, it can
>>
>>
>> Nova-api
>> Possibliy to run this behind real web server, apache, nginx
>>
>>
>> Nova-volume
>>
>> Nova-Objectstore
>>
>> Nova-Compute
>>
>>
>> Other ideas
>> Services should use dns srv records or something to automate service
>> discovery, this would make running large infrastructures and ipv6
>> configureation alot easier.
>> - zeroconf?  -<-- like the idea but anyone can announce anything in
>> zeroconf it has no idea of a master for security.
>> Agreed
>> Look at vrrp and keepalived
>>
>>
>> Take aways
>> Start Discussion with Rabbitmq
>> Message Bus needs more investigation
>> Discussion on how do we make messages have delievery
>> Give feed back to end user, fail or pass just dont leave state in pending
>> forever
>>
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>>
>
>
> --
> Mike Scherbakov
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>
>
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>


-- 
Hugo Kuo@AMI. TW-CCG