Another question, what's you mean about FIP? floating ip? But how can I switch the floating IPs and implement with keepalive/pacemaker?
On Mon, Apr 8, 2013 at 11:17 PM, Lei Zhang <[email protected]> wrote: > Hi Ritesh > How could I switch the virtual ip from one VM to another? As I know, the > libvirt nw-filter will block this? right? Or not use nw-filter? > > > On Mon, Apr 8, 2013 at 10:18 PM, Ritesh Nanda <[email protected]>wrote: > >> Hello Lei, >> >> Both ways can be used, depends if you want your database to be >> accessible outside the datacenter network as highly available then FIP can >> be used , if it would internal services that would be using database , then >> you can implement using Fixed ips , but for that , you need to mark >> fixed_ip as reserved in the nova database fixed_ip table the ip you would >> be using as a virtual ip, otherwise ip would be allocated to another vm you >> provision in openstack. >> I hope that gives the answer. >> >> >> On Mon, Apr 8, 2013 at 4:53 PM, Lei Zhang <[email protected]>wrote: >> >>> Hi Syed, >>> Thanks for you quickly reply. But What I want is HA between VMs not HA >>> between Physical Machine(Openstack Node/ Services) >>> >>> >>> On Mon, Apr 8, 2013 at 7:20 PM, Syed Armani <[email protected]>wrote: >>> >>>> Hi Lei Zhang, >>>> >>>> You can find more information about HA in OpenStack in this guide: >>>> http://docs.openstack.org/trunk/openstack-ha/content/index.html >>>> >>>> Best regards, >>>> Syed Armani >>>> >>>> On Monday 08 April 2013 04:46 PM, Lei Zhang wrote: >>>> > Hi all, >>>> > >>>> > I am using Folsom, and I want to set up a HA between VMs. For >>>> example, I >>>> > have two DB VMs. One is the primary and other is a slave. I want to >>>> use >>>> > Keepalive or pacemake to switch between them when one is failed. >>>> > >>>> > But how to implement this? Because in general, we need a dynamic IP to >>>> > associate to the VMs and change the relationship when necessary. But >>>> > which IP should be used ? Floating ip or Fixed IP? and how. >>>> > >>>> > -- >>>> > Lei Zhang >>>> > >>>> > Blog: http://jeffrey4l.github.com >>>> > twitter/weibo: @jeffrey4l >>>> > >>>> > >>>> > _______________________________________________ >>>> > Mailing list: https://launchpad.net/~openstack >>>> > Post to : [email protected] >>>> > Unsubscribe : https://launchpad.net/~openstack >>>> > More help : https://help.launchpad.net/ListHelp >>>> > >>>> >>>> >>> >>> >>> -- >>> Lei Zhang >>> >>> Blog: http://jeffrey4l.github.com >>> twitter/weibo: @jeffrey4l >>> >>> _______________________________________________ >>> Mailing list: https://launchpad.net/~openstack >>> Post to : [email protected] >>> Unsubscribe : https://launchpad.net/~openstack >>> More help : https://help.launchpad.net/ListHelp >>> >>> >> >> >> -- >> >> * With Regards >> * >> >> * Ritesh Nanda >> * >> >> *** >> * >> <http://www.ericsson.com/> >> >> >> >> > > > -- > Lei Zhang > > Blog: http://jeffrey4l.github.com > twitter/weibo: @jeffrey4l > -- Lei Zhang Blog: http://jeffrey4l.github.com twitter/weibo: @jeffrey4l
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