Hi Tristan, When I saw your post, I though what about an pacemaker ressource agent? Corosync for the messaging layer and pacemaker for the ressource management. Maybe someone as wrote a script ressource agent for nova in order to manage the failover. Also DRBD can be useful. And then after a couple of research on Google, I found this 3 links:
- https://lists.launchpad.net/openstack/pdfGiNwMEtUBJ.pdf - http://wiki.openstack.org/HAforNovaDB - http://www.pixelbeat.org/docs/pacemaker-cloud/ Hope this will help you. -- Yours sincerely. Sébastien HAN. On Tue, Feb 14, 2012 at 12:05 PM, i3D.net - Tristan van Bokkem < tristanvanbok...@i3d.nl> wrote: > ** > Hi Christian, > > Thanks for your reply. > > With mysql master/master i meant the following: http://mysql-mmm.org/ but > it seems they are using 2 different locations for mysql reads and writes. > Something nova is (yet) not able to configure (i.e. --sql_connection= which > is being used for reads and rights.) > > Maybe http://www.mysql.com/products/cluster/ is a better way.. > > RabbitMQ HA i am aware of. This is something we are looking at as well. > > The main question is how does other companies reach HA with openstack? I > can't find any good information on the net about it. > And how does Essex change things? > > > Best regards, > > Tristan van Bokkem > Datacenter Operations > > Contact: > E-mail Personal: tristanvanbok...@i3d.net > E-mail Support: i...@i3d.net > E-mail NOC: n...@i3d.net > Website: http://www.i3d.net Office: > Interactive 3D B.V. > Meent 93b > 3011 JG Rotterdam > The Netherlands > > Visit www.smartdc.net – SmartDC is our in-house 36,000 sq. ft. datacenter > in Rotterdam, The Netherlands. High density hosting – multiple fiber > carriers in-house – Level3 PoP. > > Interactive 3D (i3D.net) is a company registered in The Netherlands at > Meent 93b, Rotterdam. Registration #: 14074337 - VAT # NL 8202.63.886.B01. > Interactive 3D (i3D.net) is CDSA certified on content protection and > security. We are ranked in the Deloitte Technology Fast 50 as one of the > fastest growing technology companies. > > ------------------------------ > *From:* Christian Berendt [mailto:bere...@b1-systems.de] > *To:* i3D.net - Tristan van Bokkem [mailto:tristanvanbok...@i3d.nl] > *Cc:* openstack@lists.launchpad.net > *Sent:* Tue, 14 Feb 2012 11:54:38 +0100 > *Subject:* Re: [Openstack] Howto Nova setup with HA? > > > Hi Tristan. > > > So, we can run MySQL in master-master mode on multiple hosts, we can > > run nova-api on serveral hosts and load balance those and RabbitMQ > > has a cluster ha setup as well but is this the way to go? I can't > > find a clear answer to this. I am hoping one can shine some light on > > this! > > I would prefer to use MySQL Cluster: > http://www.mysql.com/products/cluster/. You meant that with MySQL > master-master? > > For RabbitMQ there are several ways to setup it: > http://www.rabbitmq.com/ha.html. > > I think the customer site has to decide which HA setup they want use. > All types have advantages and disadvantages. > > HTH, Christian. > > -- > Christian Berendt > Linux / Unix Consultant & Developer > Mail: bere...@b1-systems.de > > B1 Systems GmbH > Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de > GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537 > > > _______________________________________________ > Mailing list: https://launchpad.net/~openstack > Post to : openstack@lists.launchpad.net > Unsubscribe : https://launchpad.net/~openstack > More help : https://help.launchpad.net/ListHelp > >
_______________________________________________ Mailing list: https://launchpad.net/~openstack Post to : openstack@lists.launchpad.net Unsubscribe : https://launchpad.net/~openstack More help : https://help.launchpad.net/ListHelp
