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
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