Re: [Pacemaker] Mysql master-master replication and moving vip

2011-04-25 Thread Andrew Beekhof
On Thu, Apr 21, 2011 at 6:26 PM, Viacheslav Biriukov
 wrote:
> Hello.
> I have next schema of pacemaker cluster:
>
> Fo1 - Mysql Master  |
>                               | - VIP for read and write.
> Fo2 - Mysql Master  |
>
>
> Mysql started as cloned resources.
> So my questions are:
> 1. When I want to move VIP from one node to other -- can I get a data
> consistent corruption?
> 2. How will persistent connections behave?

The answers to these questions are specific to your application (ie. Mysql).
Pacemaker just starts and stops things - it does not get involved in
data replication nor place itself between the application and its
clients.

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[Pacemaker] Mysql master-master replication and moving vip

2011-04-21 Thread Viacheslav Biriukov
Hello.

I have next schema of pacemaker cluster:


Fo1 - Mysql Master  |
  | - VIP for read and write.
Fo2 - Mysql Master  |


Mysql started as cloned resources.

So my questions are:

1. When I want to move VIP from one node to other -- can I get a data
consistent corruption?
2. How will persistent connections behave?

-- 
Viacheslav Sov1et Biriukov
http://biriukov.com
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Project Home: http://www.clusterlabs.org
Getting started: http://www.clusterlabs.org/doc/Cluster_from_Scratch.pdf
Bugs: http://developerbugs.linux-foundation.org/enter_bug.cgi?product=Pacemaker