openstack team mailing list archive

[Lei Zhang <zhang.lei.fly@xxxxxxxxx>]

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 <zhang.lei.fly@xxxxxxxxx> 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 <riteshnanda09@xxxxxxxxx>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 <zhang.lei.fly@xxxxxxxxx>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 <syed.armani@xxxxxxxxxxx>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     : openstack@xxxxxxxxxxxxxxxxxxx
>>>> > 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     : openstack@xxxxxxxxxxxxxxxxxxx
>>> 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